MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f4d3d35e9fe47b1bd6bb03386aeab883f4f32c0a9fc4eac5f850b7cdd6e2046. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f4d3d35e9fe47b1bd6bb03386aeab883f4f32c0a9fc4eac5f850b7cdd6e2046
SHA3-384 hash: 9ef6f162d164a793cee53750ca0d0e69ce542797e5f29d713bc4874d5808d6a72120b4734aff7fb7f44ae39bee7fca50
SHA1 hash: 7f589889d8d13897058f3fdf9dabc3aa87ee89df
MD5 hash: 04ac5a21307813c7a628be8a9b82c54f
humanhash: snake-hot-double-leopard
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:288'768 bytes
First seen:2023-09-26 23:37:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3ac849546d8ed9771fc578cabffcbc4 (3 x Smoke Loader, 2 x RedLineStealer, 1 x MarsStealer)
ssdeep 3072:waEgnscmK1u9dHTRNk+prqmvG0iY+l0NjNMM1VZZ8Dr7:5EgnTmcedHNNkKhPiYe0Zbs
Threatray 456 similar samples on MalwareBazaar
TLSH T1D054AF13F7E1FC71E57646309A2AC6E47B3FB4219E7963AB33540A2B09B01E1D676321
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 0458606050605044 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://christopherantonio.top/calc2.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
278
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-09-26 23:39:12 UTC
Tags:
stealc stealer
Link:
https://app.any.run/tasks/01481575-8087-4f8a-9efc-146c3db69c29

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/451368/
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.2432.24396.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/65136b5a8a37001eb1d7d3d1/reports/09b4dc88-4cd3-4eb3-a080-a182be1c8f50/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/6f4d3d35e9fe47b1bd6bb03386aeab883f4f32c0a9fc4eac5f850b7cdd6e2046
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/c8f7e1ee-773d-4684-817a-373dcd993af9
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1314859
Signature
Antivirus / Scanner detection for submitted sample
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)
Sample uses string decryption to hide its real strings
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f4d3d35e9fe47b1bd6bb03386aeab883f4f32c0a9fc4eac5f850b7cdd6e2046/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-09-26 23:38:05 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n5gt2npj7zd3dpllwazynlvlra7u6mwavh6e5lc7qufxzxloebda._file
Verdict:
malicious
Similar samples:
09d0c1b8d3b4e342f35326bc754e7a05ac3b31fed0c60a86477a4336554059f4
Stealc
3045545357b095b5e32bf2d338ec052cf035d88ec6d2ddd06ce545eaa7eea573
Stealc
574b077dd3e9f8ec41d2cd919445b06d765af63da6c5fa55c02843c4a486f638
Stealc
774a5633a5cf948de71702480044e7466daaaea595d4149c2414cb995b7c3378
Stealc
7ead8e741e86da1488da1bc6793807380c26a09518a7532ea1247d4a69e82070
Stealc
897a17219c089cfd40d9bd5608d3a6a8d3e743913887477afa0672dc8425442b
Stealc
926bb9311b6d628c34e16f770695418656be7158d16b412c5954faa74ff57fbe
Stealc
b2aa1408b77d5272d0e9f7250e196124fd2cc5d86f8ef90abe0ec37ea27b41af
Stealc
be6c808d95d56676eeb845ae082c950425a5048e99590ee3b888190e75cc8b8b
Stealc
dc7462bfef0b3d00d800f683b842eecc96c1839a12342f4decb0b88344297925
Stealc
+ 446 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/230926-3mpjysec4s/
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://bryanzachary.top
Unpacked files
SH256 hash:
fe6edbc42a1b391d80eac4c06b5dd169cebbc353f67a6e1d780770be829ce27e
MD5 hash:
7b1a0ddf9afe48ddd7a79a9c3964f353
SHA1 hash:
db3922ddda9702a979090b50cd640521ce0eed99
Link:
https://www.unpac.me/results/1254ef6c-6017-41e3-a9c0-aac82bc38993/
Parent samples :
926bb9311b6d628c34e16f770695418656be7158d16b412c5954faa74ff57fbe
b2aa1408b77d5272d0e9f7250e196124fd2cc5d86f8ef90abe0ec37ea27b41af
774a5633a5cf948de71702480044e7466daaaea595d4149c2414cb995b7c3378
09d0c1b8d3b4e342f35326bc754e7a05ac3b31fed0c60a86477a4336554059f4
576ae20ecf51decbf1e8a5a934975b451f8a11e03766928535a49e70c368175b
SH256 hash:
6f4d3d35e9fe47b1bd6bb03386aeab883f4f32c0a9fc4eac5f850b7cdd6e2046
MD5 hash:
04ac5a21307813c7a628be8a9b82c54f
SHA1 hash:
7f589889d8d13897058f3fdf9dabc3aa87ee89df
Link:
https://www.unpac.me/results/1254ef6c-6017-41e3-a9c0-aac82bc38993/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6f4d3d35e9fe/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/6f4d3d35e9fe47b1bd6bb03386aeab883f4f32c0a9fc4eac5f850b7cdd6e2046

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: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: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/

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2712591/
  
URLhaus
https://urlhaus.abuse.ch/url/2709826/
  
URLhaus
https://urlhaus.abuse.ch/url/2712461/
Cape
Cape
https://www.capesandbox.com/analysis/451368/

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