MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0aef309c87d03d0dc18d38c8298f05f63c3b4a62d99857da20c8a0cece952781. 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: 18


Intelligence 18 IOCs 1 YARA 2 File information Comments

SHA256 hash: 0aef309c87d03d0dc18d38c8298f05f63c3b4a62d99857da20c8a0cece952781
SHA3-384 hash: 8a3777bcf724e007d03b00037d891740da7860a6abd88aabe2ca9953c3646a09384ab37a1459649c3b03494de9002557
SHA1 hash: 930f761616bb2d569f9027ed45af35efacd7479e
MD5 hash: a764e6bdca870784a1b33ddd4cf999df
humanhash: cup-utah-twenty-lithium
File name:a764e6bdca870784a1b33ddd4cf999df.exe
Download: download sample
Signature Stealc
File size:712'192 bytes
First seen:2024-10-30 12:50:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e441420aa4a45d977a252ec7c84642d3 (2 x Stealc)
ssdeep 12288:wvSqP0Dqw6PcZVF9FE1ERC0OXEFtKUWGixsoRcxQtmM6WIS:wH46PcvF3E1E9OXEF4ldsoRcxQtmM6Wh
TLSH T1D0E4120276D1EC73C69201B49C25C7F0267FBC629A59AA9773197F9F39713808BB2B11
TrID 38.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
29.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 0c18102460808000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.91.200.39/eaa194fa594ff9c2.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://45.91.200.39/eaa194fa594ff9c2.php https://threatfox.abuse.ch/ioc/1340117/

Intelligence


File Origin
# of uploads :
1
# of downloads :
378
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a764e6bdca870784a1b33ddd4cf999df.exe
Verdict:
Malicious activity
Analysis date:
2024-10-30 12:52:56 UTC
Tags:
stealer stealc loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
powershell cobalt lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Result
Verdict:
SUSPICIOUS
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
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Creates HTML files with .exe extension (expired dropper behavior)
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 submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Suricata IDS alerts 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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DiskWriter
Status:
Malicious
First seen:
2024-10-30 12:51:11 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:logsdiller credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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
Unsecured Credentials: Credentials In Files
Stealc
Stealc family
Malware Config
C2 Extraction:
http://45.91.200.39
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
ea5a2b0dc5a5956ffa8dddb25bce907188a74d3fa5379ac892e0fe003142685b
MD5 hash:
002e99251af7261c180dc855e8576b2f
SHA1 hash:
7b8763b1cdf49cdbae699326826da6db2e12b3d6
Detections:
stealc detect_Mars_Stealer
SH256 hash:
0aef309c87d03d0dc18d38c8298f05f63c3b4a62d99857da20c8a0cece952781
MD5 hash:
a764e6bdca870784a1b33ddd4cf999df
SHA1 hash:
930f761616bb2d569f9027ed45af35efacd7479e
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

File information


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

Web download

Stealc

Executable exe 0aef309c87d03d0dc18d38c8298f05f63c3b4a62d99857da20c8a0cece952781

(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::CreateProcessW
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::GetConsoleAliasExesA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

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