MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b87bd43d236ccd979ff563fea34490f006871209d6db9123c494a1a9138fd2d. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: 6b87bd43d236ccd979ff563fea34490f006871209d6db9123c494a1a9138fd2d
SHA3-384 hash: a10f9d1ce1a62636ba91c506bb6295656b5d5cc088308c715b7ebd397ef04e775258d4061670ff5c974c0141ee26ec42
SHA1 hash: f88991b3868aad8231d28caa354f0f8a29deeb3b
MD5 hash: 0ab8fd273f356fc72fc0d8971976f60e
humanhash: twenty-lemon-illinois-helium
File name:file
Download: download sample
Signature Stealc
File size:1'874'432 bytes
First seen:2024-10-04 07:44:02 UTC
Last seen:2024-10-04 08:05:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 24576:nYbrBfGzNXBOybduTfsDb+2Ew2WngxgM9G6S+NG1TvoG0pRZzh89uq6WgT+nvIg4:nYdUxOyqfsDb0wxgOINpNsTs8NNNeV
TLSH T16E8533B1EE11E496E469A630CC2BC32F79B5F9E574DA0EB079FC51B7979004A05ED02C
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)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.103/steam/random.exe

Intelligence


File Origin
# of uploads :
7
# of downloads :
386
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-04 07:47:09 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Vmdetect Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed
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:
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 evasive API chain (may stop execution after checking locale)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
PE file contains section with special chars
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-10-04 07:45:11 UTC
File Type:
PE (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:doma discovery evasion stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
3877643d11ef1646fe3d747551b4b76b9be4062865e3e6b6fc9989b734f50b9b
MD5 hash:
ec51bd167d2e0d165a5a87987d9a5657
SHA1 hash:
3aed10aa68dba2f7856d0cc8f7c59293f3d0059e
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
6b87bd43d236ccd979ff563fea34490f006871209d6db9123c494a1a9138fd2d
MD5 hash:
0ab8fd273f356fc72fc0d8971976f60e
SHA1 hash:
f88991b3868aad8231d28caa354f0f8a29deeb3b
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Stealc

Executable exe 6b87bd43d236ccd979ff563fea34490f006871209d6db9123c494a1a9138fd2d

(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

Comments