MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4225b4f1316437b75e46a1834cae77c92568c02a7d93935601370582fbdf3e7f. 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

SHA256 hash: 4225b4f1316437b75e46a1834cae77c92568c02a7d93935601370582fbdf3e7f
SHA3-384 hash: 597395b797ad9b204740a7bf841f6244258c06e0823d72ffecddd05c75af10764bcd9c439d66b3175ba01fc7709bf99d
SHA1 hash: 932dc61e2dcd7061622e539f0843eb1178b4b41e
MD5 hash: 1ce04764b43f265245b0283f3cd19754
humanhash: winter-iowa-mirror-steak
File name:1ce04764b43f265245b0283f3cd19754.exe
Download: download sample
Signature Stealc
File size:296'960 bytes
First seen:2024-02-20 16:50:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 31967e0576033e2d7f59e2905936864a (3 x Stealc, 1 x Socks5Systemz)
ssdeep 6144:0MUS9BLL21vdv4EUzzPrwtXST4xVNoMNhI:RTpSvdgEqstXM4RpNhI
Threatray 165 similar samples on MalwareBazaar
TLSH T184540211BB91C031E06BA53094B5C7756ABF3937A87855CF2B990E3F2F702D09AB1749
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon d2f0e4c4c4f1c6f8 (2 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.145/3cd2b41cbde8fc9c.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
355
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Connecting to a non-recommended domain
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Creating a window
Searching for synchronization primitives
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
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.
Malware family:
Generic Malware
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 dropped file
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1395486 Sample: lFt8kI6ykS.exe Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 6 other signatures 2->59 8 lFt8kI6ykS.exe 1 3 2->8         started        process3 dnsIp4 45 185.172.128.90, 49699, 80 NADYMSS-ASRU Russian Federation 8->45 47 185.172.128.109, 49702, 80 NADYMSS-ASRU Russian Federation 8->47 49 185.172.128.127, 49700, 49701, 80 NADYMSS-ASRU Russian Federation 8->49 33 C:\Users\user\AppData\Local\Temp\u20k.1.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\Temp\u20k.0.exe, PE32 8->35 dropped 63 Detected unpacking (changes PE section rights) 8->63 65 Detected unpacking (overwrites its own PE header) 8->65 13 u20k.0.exe 75 8->13         started        18 u20k.1.exe 2 5 8->18         started        20 WerFault.exe 19 16 8->20         started        file5 signatures6 process7 dnsIp8 51 185.172.128.145, 49703, 80 NADYMSS-ASRU Russian Federation 13->51 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->37 dropped 39 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->39 dropped 41 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->41 dropped 43 9 other files (5 malicious) 13->43 dropped 67 Antivirus detection for dropped file 13->67 69 Detected unpacking (changes PE section rights) 13->69 71 Detected unpacking (overwrites its own PE header) 13->71 75 8 other signatures 13->75 22 WerFault.exe 22 16 13->22         started        73 Multi AV Scanner detection for dropped file 18->73 24 cmd.exe 1 18->24         started        file9 signatures10 process11 signatures12 61 Uses schtasks.exe or at.exe to add and modify task schedules 24->61 27 conhost.exe 24->27         started        29 schtasks.exe 1 24->29         started        31 chcp.com 1 24->31         started        process13
Threat name:
Win32.Trojan.Convagent
Status:
Malicious
First seen:
2024-02-20 16:51:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
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
Executes dropped EXE
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://185.172.128.145
Unpacked files
SH256 hash:
822f18c193a9dca10beca54e45f423e617f1404a537062a0eb4f27f085578389
MD5 hash:
8f695bb4af2df1672af5106c42d7f634
SHA1 hash:
7e9e1fc59c5fa984fd3f344a0f9fe50e375e272a
SH256 hash:
4225b4f1316437b75e46a1834cae77c92568c02a7d93935601370582fbdf3e7f
MD5 hash:
1ce04764b43f265245b0283f3cd19754
SHA1 hash:
932dc61e2dcd7061622e539f0843eb1178b4b41e
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

File information


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

Web download

Stealc

Executable exe 4225b4f1316437b75e46a1834cae77c92568c02a7d93935601370582fbdf3e7f

(this sample)

  
Delivery method
Distributed via web download

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