MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ac7f379b3325d3b367cda31efc43ddf96e2b3f0426cc4d7d4912add6ef8d87c. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments

SHA256 hash: 0ac7f379b3325d3b367cda31efc43ddf96e2b3f0426cc4d7d4912add6ef8d87c
SHA3-384 hash: b1881ce8f5ea01c0d3eb1f8023c8fd8e2c9906f05707bb69e48baf3181daf2bbdf11f1ba5d131c610da6c22c7c611b01
SHA1 hash: abe1e141a3d7edb605c5b26bf7d74a07d75afe32
MD5 hash: b154d085211280b5a9d227e9613c6648
humanhash: nuts-item-artist-magnesium
File name:b154d085211280b5a9d227e9613c6648.exe
Download: download sample
Signature Stealc
File size:492'544 bytes
First seen:2023-07-14 06:55:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6021946456ebd64b595cf7e654207dca (1 x Stealc)
ssdeep 12288:XH/pE/if01uNUon+zwpGTRBiSYdxNs0woajaa3foFkCa:XHheH+nnpG+SysfpaB/a
TLSH T172A4E125BA41C033EA9500B98AFE5BB3142D6D70075865D3E7C039FA7A747F2BE3161A
TrID 33.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
21.3% (.EXE) Win64 Executable (generic) (10523/12/4)
13.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71e8cc868accf871 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://77.105.146.152/603aeb43718ab133.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b154d085211280b5a9d227e9613c6648.exe
Verdict:
Malicious activity
Analysis date:
2023-07-14 06:59:59 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
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
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
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Stealc
Status:
Suspicious
First seen:
2023-07-10 08:11:52 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 37 (62.16%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
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
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
Unpacked files
SH256 hash:
0ac7f379b3325d3b367cda31efc43ddf96e2b3f0426cc4d7d4912add6ef8d87c
MD5 hash:
b154d085211280b5a9d227e9613c6648
SHA1 hash:
abe1e141a3d7edb605c5b26bf7d74a07d75afe32
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
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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:meth_peb_parsing
Author:Willi Ballenthin
Rule name:sus_pe_free_without_allocation
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
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:yara_template

File information


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

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