MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d688b03363b406594fd96854a887dd6775d34cda0bc214b72e1abff6aa10c9e. 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 8 File information Comments

SHA256 hash: 7d688b03363b406594fd96854a887dd6775d34cda0bc214b72e1abff6aa10c9e
SHA3-384 hash: cfbd0ca325a588759f84439547af32c8baad4d6985615c48e8bc0562e1e8b283e78a418b41c59c258d13f7d541fbe899
SHA1 hash: 930f10376c35d0037883c7758d8412407a81f83c
MD5 hash: b80b532b831b07ac590527750adceb1a
humanhash: quebec-beer-orange-north
File name:SecuriteInfo.com.Win32.PWSX-gen.8525.21336
Download: download sample
Signature Stealc
File size:305'664 bytes
First seen:2023-12-02 10:16:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b44ba497c89da6ff2ff257f9fae14d61 (3 x Stealc, 3 x Smoke Loader, 1 x Tofsee)
ssdeep 6144:1atS93EmsCoLcKgmoIhbmfOR2y+/hNFGMBxrp6:As93nsC+EmoqRRArBxI
TLSH T14C545C12A2E0BC60E5164A328E2AC6E8261FFB618F7D779B17146F6F09731F1C562F11
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 04b4d26860544244 (1 x Stealc)
Reporter SecuriteInfoCom
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
320
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Sending an HTTP GET request to an infection source
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
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)
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 harvest and steal ftp login credentials
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.Spyware.Stealc
Status:
Malicious
First seen:
2023-12-02 09:47:17 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
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
Deletes itself
Loads dropped DLL
Reads data files stored by FTP clients
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:
7d688b03363b406594fd96854a887dd6775d34cda0bc214b72e1abff6aa10c9e
MD5 hash:
b80b532b831b07ac590527750adceb1a
SHA1 hash:
930f10376c35d0037883c7758d8412407a81f83c
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: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 7d688b03363b406594fd96854a887dd6775d34cda0bc214b72e1abff6aa10c9e

(this sample)

  
Delivery method
Distributed via web download

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