MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837
SHA3-384 hash: 639f4565b8a3ac40e597952c9d88532485d35b9f19c11601dc8117fd9e325a1b0a5da05c99836ee2490b86ba1a1d5f53
SHA1 hash: 9ac22b21244777d2d2b9ae22fb551f6a0b54f4f0
MD5 hash: a2da34f16556914cfd1218970c90e451
humanhash: wyoming-cold-river-seventeen
File name:a2da34f16556914cfd1218970c90e451.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:276'992 bytes
First seen:2023-12-01 13:50:26 UTC
Last seen:2023-12-01 15:31:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 99958f84824363d70f77dd17df64c197 (4 x Stealc, 2 x Tofsee, 2 x Smoke Loader)
ssdeep 6144:pR2kdN6l00Ul/YbyRVZXGoMFK0OK8yL7Ve:pRQ00Ul/YmGnFK0OvoQ
Threatray 910 similar samples on MalwareBazaar
TLSH T1AF44AE12B2E0D472E11706318D66C6E42A2AFFA18F14AADB27947F6F5D312E1C671F43
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0823354103192112 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://77.91.76.36/3886d2276f6914c4.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
332
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/461716/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.34788.29925.3134.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a68a6b4-9214-41d7-a564-084f93d91451
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1351415
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-12-01 13:51:05 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hmu7suewrq7glgrf4tlfbbntyizx3n2m7tei7nyxffy3dq7rha3q._file
Verdict:
malicious
Similar samples:
32ac805bc88b71ee119f23a18b3ec10c32c944f000283bdd0ffcfa26b97846bf
Stealc
3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837
Stealc
476a074e0c4c3afac432983406efaa29f427f2a3cffa180c5bb808865b44a74d
Stealc
5422d127b342135a6064e8f87b66d7586551d2208fd21cff5a0c73f6161bded7
Stealc
ba89f092b79e2be9a65d497aa9136db0ef3ba26531b30a2d20bd6ad77ae94392
Stealc
f648067f341eeea223fd16bb53637c6fa7ab42a808d3df6886e296b19825d66c
Stealc
+ 900 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231201-q5s9msac25/
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
Stealc
Malware Config
C2 Extraction:
http://77.91.76.36
Unpacked files
SH256 hash:
ed66a964976c558134058f86d41cbe65605d5e992b08d2c56b81ecb917848fec
MD5 hash:
c52ab967a0ef24600f25f8169e892dfd
SHA1 hash:
c75535369451fbb3edfa0ba2d8097113e74b0c63
Detections:
stealc
Create hunting rule
win_stealc_a0
Create hunting rule
win_stealc_bytecodes_oct_2023
Create hunting rule
Link:
https://www.unpac.me/results/7c149ecf-0717-4a3e-9154-2ae78584c665/
Parent samples :
972169ef8aafaefe34cef5d4636ea82f24a8d9df9b8bd7bf8c4800be6f13b133
32ac805bc88b71ee119f23a18b3ec10c32c944f000283bdd0ffcfa26b97846bf
476a074e0c4c3afac432983406efaa29f427f2a3cffa180c5bb808865b44a74d
f648067f341eeea223fd16bb53637c6fa7ab42a808d3df6886e296b19825d66c
ba89f092b79e2be9a65d497aa9136db0ef3ba26531b30a2d20bd6ad77ae94392
3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837
80364d5d47fd955294cfab44b6b80469eda7c17ae3c0090b01b93f843f14b3e9
SH256 hash:
3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837
MD5 hash:
a2da34f16556914cfd1218970c90e451
SHA1 hash:
9ac22b21244777d2d2b9ae22fb551f6a0b54f4f0
Link:
https://www.unpac.me/results/7c149ecf-0717-4a3e-9154-2ae78584c665/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b29f950968c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Trojan_W32_Gh0stMiancha_1_0_0
Create hunting rule
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
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/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

Stealc

Executable exe 3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2736472/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/461716/

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