MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca3cb9514c8544017cef8e68c76d4abbb7028019d2db0c4ac4d88c29700743dc. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments

SHA256 hash: ca3cb9514c8544017cef8e68c76d4abbb7028019d2db0c4ac4d88c29700743dc
SHA3-384 hash: 5cdc78bb20389df0747d068b5ea7d58b7eca089276f07c092e20084a66b3a0a65332b3fbd2ef8ed817e517a3e4f6a2d0
SHA1 hash: 632e18c92f4e304dff18f8c6acfe165d7f5f538c
MD5 hash: 867b7d371368f7872da473e89646aa0b
humanhash: montana-cup-india-fruit
File name:867b7d371368f7872da473e89646aa0b.exe
Download: download sample
Signature Stealc
File size:316'928 bytes
First seen:2024-04-18 02:30:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3c62679fe3cea3c660b4a0b83c80e478 (1 x Stealc, 1 x RiseProStealer, 1 x LummaStealer)
ssdeep 6144:JXkws5FHvbaXTLC42m+g51uHct7jGZyL:JUwsvbaXTLCfg514ct7aw
Threatray 1'294 similar samples on MalwareBazaar
TLSH T13B648D0376D16B70E63347325E6D86A4263EFD214E556B3B2B485E0F09B23A0D672F72
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)
7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 080808480a030600 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.23/f993692117a3fda2.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
503
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
glupteba
ID:
1
File name:
b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934.exe
Verdict:
Malicious activity
Analysis date:
2024-04-18 00:37:00 UTC
Tags:
opendir gcleaner loader stealer stealc evasion telnet privateloader trojan glupteba arechclient2 backdoor neoreklami xmrig

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

Behaviour
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
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.Generic
Status:
Malicious
First seen:
2024-04-18 00:14:54 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
27 of 38 (71.05%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc stealer
Behaviour
Program crash
Stealc
Malware Config
C2 Extraction:
http://185.172.128.23
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:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:EXE_Stealer_StealC_Feb2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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:malware_Stealc_str
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Author:Elastic Security
Rule name:win_stealc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
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 ca3cb9514c8544017cef8e68c76d4abbb7028019d2db0c4ac4d88c29700743dc

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::GetTempPathA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpReadData

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