MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a1a90919e9303b46ddc59f16f9df6b91fb43321115add86492c8e159a0da5cf. 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 6 File information Comments 1

SHA256 hash: 5a1a90919e9303b46ddc59f16f9df6b91fb43321115add86492c8e159a0da5cf
SHA3-384 hash: 4bfe0349c30bc3ba2c5f5179f254af36a1dd4a22c08e24b32d689e5a450d24600b3ff65906e3758eca7b07d665994bae
SHA1 hash: 547b0ae532c5fa5d6a69b1f1779c554eab75787e
MD5 hash: 7796fb440857db3ebd9fe3e750dfffe1
humanhash: xray-one-oven-alaska
File name:7796fb440857db3ebd9fe3e750dfffe1
Download: download sample
Signature Stealc
File size:243'200 bytes
First seen:2024-02-19 17:26:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash af922d14343eaa837537eb745ed612fe (2 x Stealc)
ssdeep 3072:HzbEoXOJ2BQlgUWDc6MtWB959XoP8iV1ySnf/cqxj045fhU1:kGg3WCtWz9XoP8iV0IHTh
TLSH T1AF34CF2176A0C07AD4AB853D8C70E6F47E7A7C7257A6824F77983B6F2D303A19325352
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 9412221024249000 (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
326
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
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Stealing user critical data
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint 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 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 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 submitted file
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
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.Trojan.Privateloader
Status:
Malicious
First seen:
2024-02-19 17:27:10 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
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://185.172.128.24
Unpacked files
SH256 hash:
9a78c098c6286a29e6660b10dd04c7dce546ed5d790cab350d43e4998ced71cd
MD5 hash:
41df2722266da5a503359af5147b9284
SHA1 hash:
5b58772881a96a8fb23a9683a1462fd5ed24d3d6
SH256 hash:
5a1a90919e9303b46ddc59f16f9df6b91fb43321115add86492c8e159a0da5cf
MD5 hash:
7796fb440857db3ebd9fe3e750dfffe1
SHA1 hash:
547b0ae532c5fa5d6a69b1f1779c554eab75787e
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: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/

File information


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

Web download

Stealc

Executable exe 5a1a90919e9303b46ddc59f16f9df6b91fb43321115add86492c8e159a0da5cf

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-02-19 17:26:38 UTC

url : hxxp://185.172.128.127/timeSync.exe