MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 508636b6c60753fad23295328180bf3b2c003437fdabc24a84f6d283fd3d96fa. 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 9 File information Comments

SHA256 hash: 508636b6c60753fad23295328180bf3b2c003437fdabc24a84f6d283fd3d96fa
SHA3-384 hash: 9c41780be0bccb7d2d56292f1104192d410685ecd60487d5bc0ef65735e1d8d896c1aec0464af4e8e34b796f56184dbb
SHA1 hash: 0e42589130d32a4ec99b51b5567fdb77b5e34fb2
MD5 hash: af6612aac93dcf264f6875cd9538db8c
humanhash: emma-seven-washington-mobile
File name:af6612aac93dcf264f6875cd9538db8c.exe
Download: download sample
Signature Stealc
File size:282'112 bytes
First seen:2023-08-23 08:35:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 22fdab3337bf4137cea8c993ce4ddc1b (1 x Stealc, 1 x UACModuleSmokeLoader)
ssdeep 3072:0Xj0ygSjEI3LDoHy+irUs7SFMTmdlKIexIhnYqyii5/Z9BQZ:w0I3LES+iws7Q0CwxIOqdoZ9Bw
Threatray 8 similar samples on MalwareBazaar
TLSH T15E548E1352E1BC61D9F78A319E2EC6E4762EB5704F5B7F6623185A2F38712B2C263701
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 000818480a030200 (1 x Stealc, 1 x Vidar)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://davidlewis.top/3886d2276f6914c4.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
349
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
af6612aac93dcf264f6875cd9538db8c.exe
Verdict:
Malicious activity
Analysis date:
2023-08-23 08:38:27 UTC
Tags:
stealc stealer

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

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed xpack
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
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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:
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-08-23 07:46:45 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc spyware stealer
Behaviour
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
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Unpacked files
SH256 hash:
dc7f3a22dabb560428ed5f62eb881c3643f85bdad454befadba0c051904fce0f
MD5 hash:
d9c8df9237d3d825d8cd7cf225322037
SHA1 hash:
b3fd98f0d6d93898c1f870555944e78bff54e77e
SH256 hash:
508636b6c60753fad23295328180bf3b2c003437fdabc24a84f6d283fd3d96fa
MD5 hash:
af6612aac93dcf264f6875cd9538db8c
SHA1 hash:
0e42589130d32a4ec99b51b5567fdb77b5e34fb2
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
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 508636b6c60753fad23295328180bf3b2c003437fdabc24a84f6d283fd3d96fa

(this sample)

  
Delivery method
Distributed via web download

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