MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f648067f341eeea223fd16bb53637c6fa7ab42a808d3df6886e296b19825d66c. 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

SHA256 hash: f648067f341eeea223fd16bb53637c6fa7ab42a808d3df6886e296b19825d66c
SHA3-384 hash: 7ab5e873925f1be9a6285319d49610d0f0e05ec8837f359430084157ead834e4df9b0e8466e2a7ab5426930381e86bb0
SHA1 hash: fab179e4be375e9ce3d068389ca6b3a0a75d2625
MD5 hash: 54949edc577362922381b3fb3dda9cff
humanhash: october-friend-mike-fillet
File name:54949edc577362922381b3fb3dda9cff.exe
Download: download sample
Signature Stealc
File size:237'056 bytes
First seen:2023-12-01 10:55:27 UTC
Last seen:2023-12-01 12:33:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e8e51dea98dc7701b104446165cbe5db (5 x Stealc, 4 x Smoke Loader, 2 x Tofsee)
ssdeep 3072:Y07lSWqaRqhGO0UmMgBttoIDAtN7oxUyQ5jzV8/Y4RKh7L0LC9LrLZZEMw8OwCYc:ldkh5mRft9DAtNUvQ5jzOxRnC97ZXi
TLSH T18E34BF2176E1C432D2275A350971C6651B2BFCA2AB6146CB27903F3E5EB23D1CBB9707
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 0044484412242004 (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 :
354
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
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:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-12-01 10:56:04 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
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
Stealc
Malware Config
C2 Extraction:
http://77.91.76.36
Unpacked files
SH256 hash:
f648067f341eeea223fd16bb53637c6fa7ab42a808d3df6886e296b19825d66c
MD5 hash:
54949edc577362922381b3fb3dda9cff
SHA1 hash:
fab179e4be375e9ce3d068389ca6b3a0a75d2625
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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:Trojan_W32_Gh0stMiancha_1_0_0
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/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
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 f648067f341eeea223fd16bb53637c6fa7ab42a808d3df6886e296b19825d66c

(this sample)

  
Delivery method
Distributed via web download

Comments