MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 912a69862b4f70093e5fb456a70b75c7c1ff187ef42cbbcabb68c6c7936eed78. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Stealc


Vendor detections: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 912a69862b4f70093e5fb456a70b75c7c1ff187ef42cbbcabb68c6c7936eed78
SHA3-384 hash: c2be33b0df888a1c262b184026263bfb4558bcb626d81c2452d1def34cb8672e091896a2bc7c73f5f94f8fee400a30b4
SHA1 hash: 5eee5a9edce938d70708e5388d52e0b16273eda5
MD5 hash: 9bb0bf48749cecfeadc4e6be1a2ad5ef
humanhash: floor-nitrogen-washington-robert
File name:9bb0bf48749cecfeadc4e6be1a2ad5ef.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:3'379'744 bytes
First seen:2023-07-31 07:20:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:jdrS+Ziq4a524OiZrq1DfP+rsNADtV6v+L0uSwiPSCmDS+5uSlgBQF:PZ3524OiZrq1DfPHNADtV6v+yO
Threatray 1 similar samples on MalwareBazaar
TLSH T146F57B02BBEC7D45D05A5132CAE74C244BB3BC967722E20F2585326E69737885FCAF16
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f8f4f8f8d8c0c4c0 (1 x Stealc)
Reporter abuse_ch
Tags:exe signed Stealc

Code Signing Certificate

Organisation:Philips 55PUS8057/60 Europe (lang 2023)
Issuer:Philips 55PUS8057/60 Europe (lang 2023)
Algorithm:sha1WithRSAEncryption
Valid from:2023-07-28T10:32:46Z
Valid to:2033-07-29T10:32:46Z
Serial number: 7af4ad96cb277b8a4898520f5cd92e80
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 59d5d73de572b2eb20316ae1e0b8de9f74a0adbad0310dadd46a1e89ee7cf6c4
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
272
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9bb0bf48749cecfeadc4e6be1a2ad5ef.exe
Verdict:
Malicious activity
Analysis date:
2023-07-31 07:30:39 UTC
Tags:
stealc stealer
Link:
https://app.any.run/tasks/f4726ee0-266d-46b5-8b8a-6fbed690ee4c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/439344/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.68426365.23085.27939.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand lolbin overlay packed
Link:
https://www.filescan.io/uploads/64c760e0a108b876ac84794c/reports/125f174a-2371-4171-b56f-60c4a1ee2569/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/912a69862b4f70093e5fb456a70b75c7c1ff187ef42cbbcabb68c6c7936eed78
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Oski Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/57828a9f-5ebe-4e1e-92ce-6f3d52991105
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1283015
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1283015 Sample: xHkUXtybuk.exe Startdate: 31/07/2023 Architecture: WINDOWS Score: 64 19 Multi AV Scanner detection for submitted file 2->19 21 Yara detected Stealc 2->21 23 Sample uses string decryption to hide its real strings 2->23 25 Machine Learning detection for sample 2->25 6 xHkUXtybuk.exe 1 2->6         started        process3 file4 17 C:\Users\user\AppData\...\xHkUXtybuk.exe.log, ASCII 6->17 dropped 9 MSBuild.exe 6->9         started        11 MSBuild.exe 6->11         started        13 MSBuild.exe 6->13         started        15 2 other processes 6->15 process5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/912a69862b4f70093e5fb456a70b75c7c1ff187ef42cbbcabb68c6c7936eed78/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2023-07-30 07:45:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
811
AV detection:
15 of 38 (39.47%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sevgtbrlj5yasps7wrlkoc3vy7a76gd66qwlxsv3nddmpe3o5v4a._file
Verdict:
malicious
Similar samples:
cead24187e759a0ddf49d1a67476fe0284b586c1aa5066c189879a143e7966be
Stealc
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware
Link:
https://tria.ge/reports/230731-h6nfsaeb9v/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Loads dropped DLL
Downloads MZ/PE file
Unpacked files
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/4fa49f3f-cd8d-4527-a1d5-0ab5016035ba/
SH256 hash:
a398e940847ee51fa7fed05b1c6b38a47c1668c14616a0f39f56fd314fe92ad8
MD5 hash:
e5eca2a842af639c8aaf8e851454b404
SHA1 hash:
5dbdf762d6bf189ca81db9228a9a987c00b51e9e
Link:
https://www.unpac.me/results/4fa49f3f-cd8d-4527-a1d5-0ab5016035ba/
SH256 hash:
912a69862b4f70093e5fb456a70b75c7c1ff187ef42cbbcabb68c6c7936eed78
MD5 hash:
9bb0bf48749cecfeadc4e6be1a2ad5ef
SHA1 hash:
5eee5a9edce938d70708e5388d52e0b16273eda5
Link:
https://www.unpac.me/results/4fa49f3f-cd8d-4527-a1d5-0ab5016035ba/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/912a69862b4f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:sus_pe_free_without_allocation
Create hunting rule
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

Executable exe 912a69862b4f70093e5fb456a70b75c7c1ff187ef42cbbcabb68c6c7936eed78

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2691580/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/439344/

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