MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1d0339f73af46c63b7ab866c65a1cdc636cfdb12492587cee7bb92486a917f0. 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 2 File information Comments

SHA256 hash: c1d0339f73af46c63b7ab866c65a1cdc636cfdb12492587cee7bb92486a917f0
SHA3-384 hash: efe9775147c70e7526447488e33c0c625e01e9ebd33f83b696dc1f8253446b4a04f7714323957abebcea821f287e4793
SHA1 hash: bfce6a6839d2fa159691eaf7ed884e93b481ed35
MD5 hash: bb88997d394c01230d90aa731f4e8837
humanhash: triple-seventeen-speaker-saturn
File name:bb88997d394c01230d90aa731f4e8837.exe
Download: download sample
Signature Stealc
File size:336'384 bytes
First seen:2024-04-23 07:25:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9619f19f41ef1b7d232f47cfbcc330b (11 x Stealc, 4 x Arechclient2)
ssdeep 3072:oj28kZpEZkkxwybSM+QF5XWdyFmnM8A+9VZNqxybPgr2E9vmsyH1IgYJgtKT4i9+:6kZ6/I0fT+XZNqx9yEksGhQECc
TLSH T149649E03F2F0AC60F36346329F68B694669FFC515E25572B2E44660F66703F0E2A275E
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 030d030121033300 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.111/f993692117a3fda2.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
314
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
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:
Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-04-23 07:26:05 UTC
File Type:
PE (Exe)
Extracted files:
76
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc stealer
Behaviour
Program crash
Stealc
Unpacked files
SH256 hash:
743875dcc496b10bc3b30df93f050fc7660b19a0125046769fcb5eb9166d62b9
MD5 hash:
3d508dd52445d80003ea8f82924983ed
SHA1 hash:
87573bf07f77149fd531082018f784992b183795
Detections:
stealc win_stealc_auto
SH256 hash:
c1d0339f73af46c63b7ab866c65a1cdc636cfdb12492587cee7bb92486a917f0
MD5 hash:
bb88997d394c01230d90aa731f4e8837
SHA1 hash:
bfce6a6839d2fa159691eaf7ed884e93b481ed35
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:EXE_Stealer_StealC_Feb2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

File information


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

Web download

Stealc

Executable exe c1d0339f73af46c63b7ab866c65a1cdc636cfdb12492587cee7bb92486a917f0

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::AddConsoleAliasA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect

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