- First seen
- Last seen
THREAT SIGNALMedium-low
Read alongside the verdict
Indicator overview
INDICATOR PROFILEVirusSign reports high analysis confidence alongside a low or unreported engine detection rate. These are different measures; review the supporting classification and relationships.
- SHA256
789e056c19294be33e2eb9c1a01a3bda44f15f34cfcf7349ec953b6dacda9fe6- SHA1
56a1abd1f4c0aa5b5bd227501992e29ffe17417a- MD5
808f4cd3e143e59f0781ea63a0c7e3d7- Filename
- bk1bw0.exe
- File type
- shell
- MIME
- text/plain
- File size
- 12519
- TLSH
T1894293B3E62029B275C2C83DA34AA05119463527BE546884F09F79447FFCABE7172FB4- SSDEEP
192:pzYN7bQ9AVD/e2t4CW9dGvgLtJtoJEQqZTGpizSbyjCLESBy0gOcM1ft71p/3fc8:pzYm2t419drf24+1gO91p/Y9Lo
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
High-confidence evidence. Related indicators in this report: 18. Review the supporting evidence before taking action.
Detection signal
Suspicious. A limited set of engine detections is present (14%).
Confidence signal
VirusSign reports 84% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections14%
VirusSign confidence84%
Relationship context18 visible
Threat classificationmirai
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Graph filters
Saved investigations
Compare when indicators were first seen, last seen and observed. Switch to Lifecycle to connect events for the same IOC.
Review approximate infrastructure locations and geographic concentration.
Commonalities
RELATIONSHIP CONSTELLATION
No observations in this view
Available evidence appears in the other investigation lenses.
SELECT A NODE TO EXPLORE
FILEDOMAINIPURL
Visible connections
Related intelligence
Pivot across connected files and infrastructure with analysis signals and supporting context.
Dropped / child files
Files dropped, bundled, or created by the queried file.
3shown
43%
high
elf
212584 bytes
drops
Filename
11 (deleted)
Family
mirai
Type
trojan
File type
elf
MIME
application/x-elf
0%
text
301 bytes
drops
Filename
fee41b5542fb7982a133e8b4ee09c6ba0fc277d22e815f222bf006cb4b58c3f7
File type
text
MIME
text/plain
Size
301
SHA1
a3d814ad4202f79ca2e6c0c086c4efe778d80611
0%
javascript
4 bytes
drops
Filename
bh7.png
File type
javascript
MIME
application/javascript
Size
4
SHA1
8b32237f6906db4dafcf1f046dbce2cfe9ea3f21
Related IPs
Network IPs associated with this indicator.
5shown
0%
GB
communicates
CIDR
2620:2d:4000::/46
Network
2620:2d:4000::-2620:2d:400f:ffff:ffff:ffff:ffff:ffff
First seen
2024-09-30T08:24:21Z
Last seen
2026-11-12T14:16:26Z
0%
US
communicates
CIDR
184.30.252.0/22
Network
184.24.0.0-184.31.255.255
First seen
2023-11-01T07:55:24Z
Last seen
2026-11-12T12:46:47Z
0%
US
communicates
CIDR
104.120.128.0/22
Network
104.64.0.0-104.127.255.255
First seen
2023-09-29T09:43:18Z
Last seen
2026-11-12T15:07:01Z
0%
US
communicates
CIDR
104.120.128.0/22
Network
104.64.0.0-104.127.255.255
First seen
2023-10-13T11:38:49Z
Last seen
2026-11-12T15:07:01Z
Related domains
Domains associated with this indicator.
5shown
0%
.net
communicates
Root
akamaiedge.net
TLD
net
Subdomain
e4805.dsca
First seen
2023-09-29T04:59:22Z
Last seen
2026-11-12T15:42:26Z
0%
.net
communicates
Root
akamai.net
TLD
net
Subdomain
a1845.dscg2
First seen
2017-04-06T08:55:03Z
Last seen
2026-11-12T13:51:21Z
20%
medium
.org
communicates
Root
duckdns.org
TLD
org
Subdomain
coolcams
First seen
2026-02-18T06:08:38Z
Last seen
2026-11-12T03:00:34Z
0%
.net
communicates
Root
akamaiedge.net
TLD
net
Subdomain
e5977.dsce9
First seen
2023-09-28T22:03:10Z
Last seen
2026-11-12T14:27:16Z
0%
.com
communicates
Root
mzstatic.com
TLD
com
Subdomain
s
First seen
2023-09-29T01:46:07Z
Last seen
2026-11-12T14:31:10Z
Related URLs
URLs associated with this indicator.
5shown
14%
medium
communicates
HTTP status
200
Content length
2
Content SHA256
565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3
First seen
2026-11-10T09:32:20Z
Last seen
2026-11-11T16:17:53Z
24%
high
communicates
First seen
2026-11-10T07:07:12Z
Last seen
2026-11-11T16:17:53Z
24%
high
communicates
First seen
2026-11-11T09:00:12Z
Last seen
2026-11-11T16:17:53Z
19%
medium
communicates
HTTP status
200
Content length
211592
Content SHA256
cfb77f9be2289e22dbd0d849b8090c9ef12ac2ff5cf0cd242229ca07a4b532f4
First seen
2026-11-07T18:27:03Z
Last seen
2026-11-11T16:17:53Z
5%
low
communicates
TLD
com
HTTP status
200
Content length
139
Content SHA256
ef165e5e4cbc9400a8d14dac4ffcf33ac7c7c32452c6dbb35a3f3564b8c7a8c5
First seen
2026-11-05T11:28:46Z
Analysis details
Severity: hightrojandebug-checkenv-checkprocess-renameservice-scanchecks-hostnameshellself-deleteweb-exfilmiraidropper
Freshness: Fresh · Last seen today.
- Detection rate
- 14%
- Threat type
- trojan
- Family
- mirai
- Confidence
- 84%
- confidence
- 84 · VirusSign confidence; engine detections are reported separately.
Overview
- SHA256
789e056c19294be33e2eb9c1a01a3bda44f15f34cfcf7349ec953b6dacda9fe6- SHA1
56a1abd1f4c0aa5b5bd227501992e29ffe17417a- MD5
808f4cd3e143e59f0781ea63a0c7e3d7- Filename
- bk1bw0.exe
- File type
- shell
- MIME
- text/plain
- File size
- 12519
- TLSH
T1894293B3E62029B275C2C83DA34AA05119463527BE546884F09F79447FFCABE7172FB4- SSDEEP
192:pzYN7bQ9AVD/e2t4CW9dGvgLtJtoJEQqZTGpizSbyjCLESBy0gOcM1ft71p/3fc8:pzYm2t419drf24+1gO91p/Y9Lo- First seen
- 2026-11-10T04:39:26Z
- Last seen
- 2026-11-11T16:17:44Z
Key findings
A focused interpretation of the evidence, relationships and observation history that matter most.
Analysis takeaway
High-confidence evidence. Related indicators in this report: 18. Review the supporting evidence before taking action.
Detection signal
Suspicious. A limited set of engine detections is present (14%).
Confidence signal
VirusSign reports 84% confidence. Review this alongside engine detections and relationship evidence.
Threat context
Classification includes type trojan and family mirai.
Relationship context
18 related indicators are shown across 4 relationship group(s). Additional relationship intelligence is available through API and data access.
Observation timeline
19 timestamped observations are arranged from 2013-08-03 to 2026-11-11. These are observation or metadata times, not execution order.
Why this verdict
Review the reported detections, analysis confidence and supporting context.
VirusSign reports high analysis confidence alongside a low or unreported engine detection rate. These are different measures; review the supporting classification and relationships.
Reported engine detection rate. A low rate alone does not establish that the indicator is benign.
VirusSign analysis confidence; separate from detection rate and actor-association confidence.
4 relationship group(s) provide pivot and infrastructure context.
Classification context: type trojan, family mirai.
Last seen today.
Signals reflect the intelligence returned in this report. Missing values mean not reported, not zero. Related indicators are investigation leads, not proof of shared malicious activity.
File profile
summarySelected file intelligence summary.
- Filename
- bk1bw0.exe
- File type
- shell
- MIME
- text/plain
- Size
- 12519
Observed behavior
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- Classification label
- Connects to IPs without corresponding DNS lookups
- Connects to many ports of the same IP (likely port scanning)
- Creates hidden files and/or directories
- Data upload or POST request to raw public IP address
5 shown
View MITRE ATT&CK details · 5 shown
- T1564.001 — Creates hidden files, links and/or directoriesTactics: TA0005
- T1070.004 — Deletes files from diskTactics: TA0005
- T1070 — Deletes log filesTactics: TA0005
- T1571 — Detected TCP or UDP traffic on non-standard portsTactics: TA0011
- T1071 · T1095 · T1105 — Downloads files from webservers via HTTPTactics: TA0011
5 shown
View MBC details · 5 shown
- Command and ControlObjectives: OB0004
- CommunicationObjectives: OC0006
- Defense EvasionObjectives: OB0006
- C0047 — Delete FileObjectives: OC0001
- B0033 — Denial of ServiceObjectives: OB0008
5 shown
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
Network activity5+
TCP, HTTP, UDPports 23, 2323, 443
- 5+ outbound connections observed
- 3 domains, 5+ IPs, 5 URLs
- Common ports: 23, 2323, 443, 80, 29444
- Protocols: TCP, HTTP, UDP
View details · 5 shown
- Domain
- 77.239.124.167
- URL
- http://77.239.124.167:8099/b/y/2631
- Protocol
- HTTP
- Domain
- 77.239.124.167
- URL
- http://77.239.124.167:8099/b/s/johns-imac
- Protocol
- HTTP
- Domain
- 77.239.124.167
- URL
- http://77.239.124.167/superior.x86_64
- Protocol
- HTTP
- Domain
- 67.213.122.211
- URL
- http://67.213.122.211:8080/b/telnet
- Protocol
- HTTP
- Domain
- ip-api.com
- URL
- http://ip-api.com/json/?fields=status,country,countrycode,regionname,isp,proxy,hosting
- Protocol
- HTTP
5 shown
DNS request activity5+
A, A/AAAA, AAAA5+ response IPs
- 5+ DNS requests observed
- 5+ unique queries
- 5+ response IPs
- Query types: A, A/AAAA, AAAA
- Response codes: NOERROR
View details · 5 shown
- Query
- coolcams.duckdns.org
- Type
- A
- Answers
- 77.239.124.167
- Response
- NOERROR
- Query
- ip-api.com
- Type
- A
- Answers
- 208.95.112.1
- Response
- NOERROR
- Query
- s.mzstatic.com
- Type
- A
- Answers
- 17.253.7.145, 17.253.7.137
- Response
- NOERROR
- Query
- e5977.dsce9.akamaiedge.net
- Type
- A
- Answers
- 23.217.124.208
- Response
- NOERROR
- Query
- e4805.dsca.akamaiedge.net
5 shown
C2 candidates3
HTTP, DNSports 53
- 3 C2 candidate communications
- 3 domains, 1 IPs
- Common ports: 53
- Protocols: HTTP, DNS
View details · 3 shown
- IP
- 77.239.124.167
- Domain
- coolcams.duckdns.org
- Port
- 53
- Protocol
- DNS
- Domain
- 77.239.124.167
- Protocol
- HTTP
- Domain
- 67.213.122.211
- Protocol
- HTTP