MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55181aa3af9da0fc833f73d53694e9bc6c8c0df77126a86f9e9d92e6c34221c7. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: 55181aa3af9da0fc833f73d53694e9bc6c8c0df77126a86f9e9d92e6c34221c7
SHA3-384 hash: 9d8bab313d079ed71ae5b298eb972f71fee6486fa46072dc4488c82062bcf9837413865b5bde40a6329de398c12c281a
SHA1 hash: 6d08fdd769aceac25a3f4ecc18aa31e3e61f5edb
MD5 hash: 414128200d1681841f9593a5463c6e14
humanhash: nevada-victor-mike-bacon
File name:file
Download: download sample
Signature Stealc
File size:2'478'080 bytes
First seen:2024-07-11 09:22:49 UTC
Last seen:2024-07-11 10:43:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:bK2fq0rYyxU9MZdm/+XhAeMPCZsanvz4r3N/3NFO4GxeL91hC:bK2CwxA8oGRAepZsGEp/3NFxGgL91w
TLSH T173B5333499A9C8AEE10E9DF69BF6A37B94154078B640C5F820FDEB208C4E1DF41D61F6
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://77.91.77.81/stealc/random.exe

Intelligence


File Origin
# of uploads :
7
# of downloads :
365
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
55181aa3af9da0fc833f73d53694e9bc6c8c0df77126a86f9e9d92e6c34221c7.exe
Verdict:
Malicious activity
Analysis date:
2024-07-11 09:23:12 UTC
Tags:
antivm stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Infostealer Network Stealth Zpack
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma lolbin microsoft_visual_cc packed packed shell32
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.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)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file has nameless sections
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Yara detected Mars stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-07-11 09:23:07 UTC
File Type:
PE (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:hate discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Reads data files stored by FTP clients
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://85.28.47.30
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
55181aa3af9da0fc833f73d53694e9bc6c8c0df77126a86f9e9d92e6c34221c7
MD5 hash:
414128200d1681841f9593a5463c6e14
SHA1 hash:
6d08fdd769aceac25a3f4ecc18aa31e3e61f5edb
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)

File information


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

Web download

Stealc

Executable exe 55181aa3af9da0fc833f73d53694e9bc6c8c0df77126a86f9e9d92e6c34221c7

(this sample)

  
Dropped by
Amadey
  
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
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

Comments