MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4f6e26c82aebae328be74a76c4cd83c62a47159a29e0fc673be000a74c45c91. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: f4f6e26c82aebae328be74a76c4cd83c62a47159a29e0fc673be000a74c45c91
SHA3-384 hash: d51a420cea96f49c51955b891b16082dc4e4644fc37b2c9e4f14ecb7b6d8950411cfdbe97acc43607a2f297d590871fe
SHA1 hash: 881102534491420e8f736d0d6c897f8f3b920d10
MD5 hash: 50127b46d9312d41a8cf5c3ab4a2d0ce
humanhash: wolfram-maine-bulldog-robert
File name:file
Download: download sample
Signature Stealc
File size:282'624 bytes
First seen:2023-11-23 14:31:18 UTC
Last seen:2023-11-23 16:18:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c8a467701c8f12711115d82fcd038f48 (2 x Smoke Loader, 1 x Stealc, 1 x Vidar)
ssdeep 3072:rPtAJB7iY8unJzlDPG20L3bLQHjVkE/z8qYYHUW6Jj0:WDOwnhlDPeLL4hkE/z8vYHq
TLSH T163546DD352E16875E5134632CE6EC6B4261EB4A0FF457BBB23775A2FC8B02A2C563311
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 050b050d21090421 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://194.49.94.48/timeSync.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
349
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
https://test.uniformmarkets.com/server/reliase0_9.rar
Verdict:
Malicious activity
Analysis date:
2023-11-23 16:34:51 UTC
Tags:
privateloader evasion opendir loader risepro stealer stealc redline ransomware stop smoke sinkhole miner

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
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware lolbin 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.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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 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:
2023-11-23 14:32:06 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
21 of 23 (91.30%)
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://danielhamerling.icu
Unpacked files
SH256 hash:
fced7adf4f6517742c788d7c85453d103f0f432d7322575dbf64e8f8b6979045
MD5 hash:
e7c3d1a6c995ace57b0d112b66de64f5
SHA1 hash:
865a685f1e5d2c3ef1f6f80f90f5bfff6b6a02fe
Detections:
stealc win_stealc_a0 win_stealc_bytecodes_oct_2023
SH256 hash:
f4f6e26c82aebae328be74a76c4cd83c62a47159a29e0fc673be000a74c45c91
MD5 hash:
50127b46d9312d41a8cf5c3ab4a2d0ce
SHA1 hash:
881102534491420e8f736d0d6c897f8f3b920d10
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

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

Comments