MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5ada0d3be2aace5d727e8. 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 1 YARA 4 File information Comments

SHA256 hash: fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5ada0d3be2aace5d727e8
SHA3-384 hash: d8359f829e09bb0e77640df91dcf6a39b846c715641d26af9ce88f5859dc49d2c484fe94443125d2a06888d63a90daed
SHA1 hash: 21395fc347e167b889818461becca2e242f889af
MD5 hash: 1a1d5627373ecd30414938e941f281b8
humanhash: three-vegan-sad-black
File name:fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe
Download: download sample
Signature Stealc
File size:391'680 bytes
First seen:2024-12-11 08:00:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3615be1139396edbe67ecebf8b56134 (2 x Stealc)
ssdeep 3072:CmFmix9LrJ+unBU9MA1jTwoElX2kWSKV+AA47nlsms4vwV6RWqChEypWHz0C8nWt:BFVLrBBUb17EXK3h9NoOxuMHwOtApO
TLSH T12984012235D0C072C1875530D864DBA1BFBE74315AA58A9B37B80BFD2E707D1977A346
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 0404040218102000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://92.255.57.89/45c616e921a794b8.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://92.255.57.89/45c616e921a794b8.php https://threatfox.abuse.ch/ioc/1354319/

Intelligence


File Origin
# of uploads :
1
# of downloads :
520
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
99fad17313297da97105802d647b80b6.exe
Verdict:
Malicious activity
Analysis date:
2024-12-11 07:57:16 UTC
Tags:
loader stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus
Result
Verdict:
Suspicious
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)
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint microsoft_visual_cc
Result
Verdict:
UNKNOWN
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
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)
Suricata IDS alerts for network traffic
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Spynoon
Status:
Malicious
First seen:
2024-12-11 08:01:28 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
shellcode_loader_002 stealc
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:default discovery stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
Checks installed software on the system
Stealc
Stealc family
Malware Config
C2 Extraction:
http://92.255.57.89
Verdict:
Malicious
Tags:
Stealc Stealer Win.Packer.pkr_ce1a-9980177-0
YARA:
n/a
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

File information


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

Web download

Stealc

Executable exe fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5ada0d3be2aace5d727e8

(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::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::GetDevicePowerState
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameA
KERNEL32.dll::BackupWrite
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpCheckPlatform

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