MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a42c422324648c42f01725b9c5b20472d731c8df713f015cc815c6be67cf2d21. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: a42c422324648c42f01725b9c5b20472d731c8df713f015cc815c6be67cf2d21
SHA3-384 hash: 1dde3902fbd3f99ec2ee32ca05332eafdca42cd04026f1b504035746424fed5265276c1217cf49c25560b0f55be8a6f8
SHA1 hash: 75a22fe28d864d32c5cd6c76dde6ab1c268830fd
MD5 hash: 70c58ce5ae24e8f18ea008f6d533b24e
humanhash: island-lion-twelve-alabama
File name:file
Download: download sample
Signature Stealc
File size:1'771'520 bytes
First seen:2024-11-21 16:22:54 UTC
Last seen:2024-11-21 16:22:54 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 49152:3OpiRmhdO3JWgzhfJI1eYxVA/I5QCaQGgHItBYBYGngH8B:3OoCdOUgtf6w6VA/CGaj
TLSH T1A085330F6E1362A9C4DE6BF12213D30EA5E42AE87BCD5B31485DA35C8DD326026E4D7D
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://185.215.113.16/steam/random.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
416
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-21 16:23:24 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun autoit spam lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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:
microsoft_visual_cc packed packed packer_detected
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
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:
2024-11-21 16:29:43 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:mars 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
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
797d59574452ee070816e21d2c6d5b20f5f14de98447b807a52eb3d2e2867b5d
MD5 hash:
abf5dd2300d632fc80efc66e22a26491
SHA1 hash:
6c7ccc4cddf63e871d8e6a1f149ad10fcc90a4e4
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
a42c422324648c42f01725b9c5b20472d731c8df713f015cc815c6be67cf2d21
MD5 hash:
70c58ce5ae24e8f18ea008f6d533b24e
SHA1 hash:
75a22fe28d864d32c5cd6c76dde6ab1c268830fd
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(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 a42c422324648c42f01725b9c5b20472d731c8df713f015cc815c6be67cf2d21

(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