MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7481847f525726ad977ea91fc9e458901a5f5e00d92b8f94bdd74d076e31521. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash: d7481847f525726ad977ea91fc9e458901a5f5e00d92b8f94bdd74d076e31521
SHA3-384 hash: 531bacc3affef187327186edcaa2d026bec49aa740c874153f76533e4ddc578a8e3566bf9494e37d97b88bb80eaeb9cb
SHA1 hash: da63f2da8f74b0391e1c9d0e026c8e21cd6da1b7
MD5 hash: 0cfe3b0625b96d850f70294022cf4224
humanhash: arizona-lithium-kansas-moon
File name:file
Download: download sample
Signature Stealc
File size:264'192 bytes
First seen:2023-10-21 12:55:46 UTC
Last seen:2023-10-21 13:42:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 77bb604ddb8d2a9df61815c9b5a4d907 (3 x Tofsee, 2 x Stealc, 1 x TeamBot)
ssdeep 3072:wyBNkIxAmzF5J3J4WlafjDijs9c8EWk88xMT0g0Khz:DqGAmB5JZyfjDijs9c8o88KTB
Threatray 265 similar samples on MalwareBazaar
TLSH T14344C021B690D832E06369355970C6561E7BFCE2EA7481CB77943E3E9D302C19B66F43
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 70d0ddd0c5cdd6dd (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://jackantonio.top/timeSync.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
329
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-21 13:00:54 UTC
Tags:
stealc stealer

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

Behaviour
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Query of malicious DNS domain
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
greyware
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
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 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.Generic
Status:
Malicious
First seen:
2023-10-21 12:56:05 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
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://kevinrobinson.top
Gathering data
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:DebuggerException__ConsoleCtrl
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments