- First seen
- Last seen
THREAT SIGNALHigh
Read alongside the verdict
Indicator overview
INDICATOR PROFILEEngine detections are elevated in this report. Review the reported confidence, classification and relationships alongside them.
- SHA256
7c4bee39dc129a61005bece9712d1482e0ec83d498b4fd30782853d94efd875f- SHA1
69349cd87542e61ea334eb4dca1e508d48216471- MD5
10f9b95f87d1a414d16aefb267a8464a- Filename
- twjdd.exe
- File type
- elf
- MIME
- application/x-elf
- File size
- 971497
- Filename variants
- 3 reported
- TLSH
T143259D4EF59390B6C4B78575028BEBBF4A20E63A80578DCBAE8DDD387827DD0160E751- SSDEEP
24576:MMD+bHw+D/uhZMhh9hwhxOpKkfhNiviGpQmsNsbGsDan1yrhQjW7Kju1Z:MMD+bHwWuhZMhh9hwhxOskJNGixmscA+
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
Elevated engine detections. Related indicators in this report: 12. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 62%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections62%
VirusSign confidence100%
Relationship context12 visible
Threat classificationrudedevil
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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.
5shown
0%
elf
30662 bytes
drops
Filename
spreadYabcde
File type
elf
MIME
application/x-elf
Size
30662
SHA1
103d238497a7deb9eee46034df29a6b2031530ee
0%
32 bytes
contains
Filename
localfile~
MIME
application/octet-stream
Size
32
SHA1
be74562249154380b5dedd7c0a2be2535968fb8d
First seen
2020-09-18T10:40:02Z
0%
text
45 bytes
contains
Filename
.comment
File type
text
MIME
text/plain
Size
45
SHA1
8cf6062bde57bd9a671691d253902079a97bc569
0%
1 bytes
contains
Filename
.dynstr
MIME
application/octet-stream
Size
1
SHA1
5ba93c9db0cff93f52b521d7420e43f6eda2784f
First seen
2006-11-21T10:12:30Z
0%
4 bytes
contains
Filename
.init_array
MIME
application/octet-stream
Size
4
SHA1
9069ca78e7450a285173431b3e52c5c25299e473
First seen
2006-12-13T01:02:57Z
Related IPs
Network IPs associated with this indicator.
5shown
15%
medium
DE
communicates
CIDR
43.156.0.0/15
Network
43.157.0.0-43.157.127.255
First seen
2025-09-17T20:42:51Z
Last seen
2026-11-12T19:33:05Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2023-12-12T04:33:57Z
Last seen
2026-11-12T21:42:22Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2023-10-01T07:36:54Z
Last seen
2026-11-12T21:42:22Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2023-09-30T18:03:12Z
Last seen
2026-11-12T21:42:22Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2023-09-30T18:03:12Z
Last seen
2026-11-12T21:42:22Z
Related domains
Domains associated with this indicator.
1shown
0%
.io
communicates
Root
snapcraft.io
TLD
io
Subdomain
api
First seen
2023-10-01T01:10:27Z
Last seen
2026-11-12T21:42:22Z
Related URLs
URLs associated with this indicator.
1shown
19%
medium
communicates
HTTP status
200
Content length
6485476
Content SHA256
97bd502de34b7c65de54281a01fa7281d17daeb036f089b360ced2c775254b84
First seen
2026-11-12T14:42:13Z
Last seen
2026-11-12T19:33:06Z
Analysis details
Severity: criticaltrojanelfenv-checkpersistencepolymorphicdebug-checkdiscoveryexecutionbackdoorrudedevildefense-evasioncoinminer
Freshness: Fresh · Last seen today.
- Detection rate
- 62%
- Threat type
- trojan
- Family
- rudedevil
- Confidence
- 100%
- detection
- 62 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
7c4bee39dc129a61005bece9712d1482e0ec83d498b4fd30782853d94efd875f- SHA1
69349cd87542e61ea334eb4dca1e508d48216471- MD5
10f9b95f87d1a414d16aefb267a8464a- Filename
- twjdd.exe
- File type
- elf
- MIME
- application/x-elf
- File size
- 971497
- TLSH
T143259D4EF59390B6C4B78575028BEBBF4A20E63A80578DCBAE8DDD387827DD0160E751- SSDEEP
24576:MMD+bHw+D/uhZMhh9hwhxOpKkfhNiviGpQmsNsbGsDan1yrhQjW7Kju1Z:MMD+bHwWuhZMhh9hwhxOskJNGixmscA+- First seen
- 2026-11-12T14:49:40Z
- Last seen
- 2026-11-12T19:21:58Z
- Filename variants
- 3 reported
Key findings
A focused interpretation of the evidence, relationships and observation history that matter most.
Analysis takeaway
Elevated engine detections. Related indicators in this report: 12. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 62%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Threat context
Classification includes type trojan and family rudedevil.
Relationship context
12 related indicators are shown across 4 relationship group(s). Additional relationship intelligence is available through API and data access.
Observation timeline
13 timestamped observations are arranged from 2006-11-21 to 2026-11-12. These are observation or metadata times, not execution order.
Why this verdict
Review the reported detections, analysis confidence and supporting context.
Engine detections are elevated in this report. Review the reported confidence, classification and relationships alongside them.
Reported engine detection rate, not the probability that this indicator is malicious.
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 rudedevil.
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
- twjdd.exe
- File type
- elf
- MIME
- application/x-elf
- Size
- 971497
Observed behavior
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- Classification label
- Connects to IPs without corresponding DNS lookups
- Contains symbols with names commonly found in malware
- Detected TCP or UDP traffic on non-standard ports
- Downloads files from webservers via HTTP
5 shown
View MITRE ATT&CK details · 5 shown
- T1571 — Detected TCP or UDP traffic on non-standard portsTactics: TA0011
- T1071 · T1095 · T1105 — Downloads files from webservers via HTTPTactics: TA0011
- T1003 — Enumerates processes within the "proc" file systemTactics: TA0006
- T1064 — Executes commands using a shell command-line interpreterTactics: TA0002 · TA0005
- T1059 — Executes the "sed" command used to modify input streams (typically from files or pipes)Tactics: TA0002
5 shown
View MBC details · 3 shown
- CommunicationObjectives: OC0006
- C0002 — HTTP CommunicationObjectives: OC0006
- C0005.001 — InternetConnectObjectives: OC0006
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
Network activity5+
TCP, HTTPports 443, 80, 2026
- 5+ outbound connections observed
- 1 domains, 3 IPs, 2 URLs
- Common ports: 443, 80, 2026
- Protocols: TCP, HTTP
View details · 5 shown
- Domain
- 43.157.55.140
- URL
- http://43.157.55.140/x86
- Protocol
- HTTP
- IP
- 43.157.55.140
- Port
- 2026
- Protocol
- TCP
- IP
- 43.157.55.140
- Port
- 80
- IP
- 43.157.55.140
- Port
- 80
- Protocol
- TCP
- Domain
- 43.157.55.140
- URL
- http://43.157.55.140:80/x86
- Protocol
- HTTP
5 shown
DNS request activity1
A5+ response IPs
- 1 DNS requests observed
- 1 unique queries
- 5+ response IPs
- Query types: A
- Response codes: NOERROR
View details · 1 shown
- Query
- api.snapcraft.io
- Type
- A
- Answers
- 185.125.188.59, 185.125.188.54, 185.125.188.58, 185.125.188.60, 185.125.188.55, 185.125.188.57
- Response
- NOERROR
C2 candidates3
TCP, HTTPports 2026, 80
- 3 C2 candidate communications
- 1 domains, 1 IPs
- Common ports: 2026, 80
- Protocols: TCP, HTTP
View details · 3 shown
- Domain
- 43.157.55.140
- Protocol
- HTTP
- IP
- 43.157.55.140
- Port
- 2026
- Protocol
- TCP
- IP
- 43.157.55.140
- Port
- 80
- Protocol
- TCP