MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de1b4e3f29b28ae17a717c6d9fa2d5641f22606e440b73c3121535def8749e26. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: de1b4e3f29b28ae17a717c6d9fa2d5641f22606e440b73c3121535def8749e26
SHA3-384 hash: e4d766eb42de10f64092a7fff22d27527bf38a1cf22e734d7e51936bc6744d3ffaf0c07725b58e6c3fe9f054777856e3
SHA1 hash: 71dc38cff5c0d8990f2f528cbd235fde9194d3d7
MD5 hash: ca40a3c2e08e9b98266305d818773d10
humanhash: fillet-music-social-table
File name:ca40a3c2e08e9b98266305d818773d10.exe
Download: download sample
Signature Stealc
File size:241'152 bytes
First seen:2023-04-19 16:56:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 53fd62b154356df996eb71685adbd3f9 (1 x Rhadamanthys, 1 x Vidar, 1 x GCleaner)
ssdeep 3072:ZJ9OMtfkLcMcWI9XooxH8kgUdHpA5nwgwYPDpJKJRf8:ZOMSLcNWICY8kgqHpuEYPDWJ
Threatray 198 similar samples on MalwareBazaar
TLSH T1DA34D011F7D2D4B2C95B00B94920F9E56E7EFCA14347C69F66182BAF2D312C16A73326
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 409111496d3c0f01 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
288
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ca40a3c2e08e9b98266305d818773d10.exe
Verdict:
Malicious activity
Analysis date:
2023-04-19 17:01:04 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Query of malicious DNS domain
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Detects Stealc stealer
Stealc
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:infostealer_win_stealc_standalone
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_stealc_w0
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 de1b4e3f29b28ae17a717c6d9fa2d5641f22606e440b73c3121535def8749e26

(this sample)

  
Delivery method
Distributed via web download

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