- First seen
- Last seen
Indicator overview
INDICATOR PROFILEEngine detections are elevated in this report. Review the reported confidence, classification and relationships alongside them.
- SHA256
252fee9849621c94d082bb67cf50667b6b8d3bb183de523db85566d85c44366c- SHA1
6490214f978627bd2837229af25c4b53f88c6cb8- MD5
ad264d792a3cc89af6f70ea9d99e5b70- Filename
- csrss.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 1954304
- Compile time
- 2022-09-22T07:55:48Z
- PE platform
- x86 32-bit
- PE sections
- 4
Connected context
Key findings
OBSERVED EVIDENCEElevated engine detections. Related indicators in this report: 19. Review the supporting evidence before taking action.
Malicious. Engine detections are elevated at 75%.
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDExpand a connection to run an additional public query. This page allows up to 3 expansions; each counts toward your query limit.
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.
No observations in this view
Available evidence appears in the other investigation lenses.
Visible connections
Related intelligence
Pivot across connected files and infrastructure with analysis signals and supporting context.
Parent files
Files that may have delivered, loaded, or executed this indicator.
Dropped / child files
Files dropped, bundled, or created by the queried file.
Related IPs
Network IPs associated with this indicator.
Related domains
Domains associated with this indicator.
Related URLs
URLs associated with this indicator.
0b123c03e5b2b453b8a4d4f346c556c14c862f0a51a90f5cd55cc8116ce73fe8
First seen
2023-10-19T21:57:31Z
Analysis details
Freshness: Aging · Last seen 43 days ago.
- Detection rate
- 75%
- Threat type
- trojan
- Family
- jaik
- Confidence
- 100%
- detection
- 75 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
252fee9849621c94d082bb67cf50667b6b8d3bb183de523db85566d85c44366c- SHA1
6490214f978627bd2837229af25c4b53f88c6cb8- MD5
ad264d792a3cc89af6f70ea9d99e5b70- Filename
- csrss.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 1954304
- Compile time
- 2022-09-22T07:55:48Z
- PE platform
- x86 32-bit
- PE sections
- 4
- Import libraries
- 5
- TLSH
T10595229382E03C81E5AA8E369F1FC6E87A1DF1505F4E7B7A2105996F48721F2D323716- SSDEEP
49152:8NGmjPqiUZYT8e5URD33Aa7qshTTUGtxlJ:8RjV51WHN7qshTTvvb- Imphash
16c23701599478a5f3c58f9b8290f3cd- Richhash
bf0974591f9565fda82975f91c7b0b26- First seen
- 2023-10-20T03:38:59Z
- Last seen
- 2026-09-30T22:06:57Z
- Filename variants
- 2 reported
Key findings
A focused interpretation of the evidence, relationships and observation history that matter most.
Elevated engine detections. Related indicators in this report: 19. Review the supporting evidence before taking action.
Malicious. Engine detections are elevated at 75%.
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Classification includes type trojan and family jaik.
19 related indicators are shown across 5 relationship group(s). Additional relationship intelligence is available through API and data access.
18 timestamped observations are arranged from 2017-04-05 to 2026-06-08. 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.
5 relationship group(s) provide pivot and infrastructure context.
Classification context: type trojan, family jaik.
Last seen 43 days ago.
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
- csrss.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- Size
- 1954304
- Compile time
- 2022-09-22T07:55:48Z
- PE platform
- x86 32-bit
- Entry point
- 17743
- Sections
- 4
Observed behavior
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- Binary may include packed or encrypted code
- Classification label
- Connects to IPs without corresponding DNS lookups
- Connects to several IPs in different countries
- Creates a process in suspended mode (likely to inject code)
View MITRE ATT&CK details · 5 shown
- T1027.002 — Binary may include packed or crypted dataTactics: TA0005
- T1571 — Detected TCP or UDP traffic on non-standard portsTactics: TA0011
- T1036 — Drops PE files with benign system namesTactics: TA0005
- T1055 — Injects a PE file into a foreign processesTactics: TA0004 · TA0005
- T1497 — May sleep (evasive loops) to hinder dynamic analysisTactics: TA0005 · TA0007
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
- 5+ outbound connections observed
- 5+ domains, 5+ IPs, 5+ URLs
- Common ports: 443, 80, 9001, 25, 995
- Protocols: TCP, HTTP, UDP
View details · 5 shown
- Domain
- academiapreuniversitariaelite.com
- URL
- http://academiapreuniversitariaelite.com/administrator/index.php
- Protocol
- HTTP
- Domain
- academiapreuniversitariaelite.com
- URL
- http://academiapreuniversitariaelite.com/administrator/
- Protocol
- HTTP
- Domain
- academiapreuniversitariaelite.com
- URL
- http://academiapreuniversitariaelite.com/admin
- Protocol
- HTTP
- IP
- 3.33.130.190
- Port
- 80
- Protocol
- TCP
- IP
- 198.185.159.144
- Port
- 80
- Protocol
- TCP
- 5+ DNS requests observed
- 5+ unique queries
- 5+ response IPs
- Query types: A
- Response codes: NOERROR
View details · 5 shown
- Query
- zuhausbio.com
- Type
- A
- Answers
- 50.87.170.192
- Response
- NOERROR
- Query
- yihaomesh.com
- Type
- A
- Answers
- 162.241.253.36
- Response
- NOERROR
- Query
- ye-awards.com
- Type
- A
- Answers
- 192.185.129.41
- Response
- NOERROR
- Query
- www.nigeriaelectricityhub.com
- Type
- A
- Answers
- 104.21.25.18, 172.67.222.3
- Response
- NOERROR
- Query
- www.fastmail.com
- Type
- A
- Answers
- 141.193.213.21, 141.193.213.20
- Response
- NOERROR
File structure
selected detailsSelected observations and details. Additional structured data are available through API and data access.
- Platform: x86 32-bit
- Sections: 4
- Entry point: present
- Compile time: 2022-09-22T07:55:48Z
View details · 1 shown
- Platform
- x86 32-bit
- Entry point
- 17743
- Sections
- 4
- Compile time
- 2022-09-22T07:55:48Z
- 4 PE sections
- Common permissions: r, rw, rx
- 4 unique section names
View details · 4 shown
- Name
- .text
- Virtual address
- 4096
- Virtual size
- 1849890
- Raw size
- 1850368
- Permissions
- rx
- Entropy
- 8.0
- Name
- .data
- Virtual address
- 1855488
- Virtual size
- 1531900
- Raw size
- 7168
- Permissions
- rw
- Entropy
- 2.46
- Name
- .rsrc
- Virtual address
- 3387392
- Virtual size
- 81032
- Raw size
- 81408
- Permissions
- r
- Entropy
- 4.35
- Name
- .reloc
- Virtual address
- 3469312
- Virtual size
- 13964
- Raw size
- 14336
- Permissions
- r
- Entropy
- 1.85
- 5 import DLL groups
- 5+ imported functions summarized
View details · 5 shown
- Library
- ADVAPI32.dll
- Functions
- RegOpenKeyA
- Library
- SHELL32.dll
- Functions
- ExtractAssociatedIconW
- Library
- KERNEL32.dll
- Functions
- AddAtomW, AddConsoleAliasW, BackupWrite, BeginUpdateResourceA, BeginUpdateResourceW, CloseHandle, CreateFileA, CreateHardLinkA …
- Library
- GDI32.dll
- Functions
- GetBitmapDimensionEx, GetCharABCWidthsFloatA
- Library
- USER32.dll
- Functions
- ChangeDisplaySettingsW, CharToOemBuffA, GetWindowTextLengthW, LoadMenuA
- 5+ resources
- Resource types: RT_ICON, RT_GROUP_ICON, RT_STRING, RT_ACCELERATOR, RT_VERSION
View details · 5 shown
- Type
- RT_ICON
- Language
- ENGLISH US
- Type
- RT_STRING
- Language
- ENGLISH US
- Type
- RT_ACCELERATOR
- Language
- ENGLISH US
- Type
- RT_GROUP_ICON
- Language
- ENGLISH US
- Type
- RT_VERSION
- Language
- ENGLISH US