MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 103cd524a095d7ac73aed8efd10c0d05fa327157f5ce406d884b9cf541c8c57a. 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: 103cd524a095d7ac73aed8efd10c0d05fa327157f5ce406d884b9cf541c8c57a
SHA3-384 hash: 207a53dd83b0b6313f2873c0947916c5a2601a279636f8d02ff422d8efde7323132bcac75278a48b97bfdaa3ebd90c6b
SHA1 hash: 01571415111de79891809196685152648e4b3277
MD5 hash: 9d68637d1f90e85dc41e941c33813ae1
humanhash: moon-enemy-wisconsin-nineteen
File name:file
Download: download sample
Signature Stealc
File size:2'835'486 bytes
First seen:2024-09-19 16:30:32 UTC
Last seen:2024-09-19 16:31:08 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:Y9OonUhLfxiu9+Rfdw/6PoeWt5zQKH4T8VONV:Y9Oon2Lfxiu9+Rfdw93t5V4gVO3
TLSH T19CD53991B60671CBC4CF1778D827DE86E96E43BA0B151EC3982CA47E6F67CC115B6C28
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://185.215.113.100/steam/random.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
556
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-19 16:32:03 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Infostealer Network Stealth
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm evasive fingerprint microsoft_visual_cc obsidium overlay packed 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
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
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.Infostealer.Tinba
Status:
Malicious
First seen:
2024-09-19 16:31:04 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:rave 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://185.215.113.103
Unpacked files
SH256 hash:
7e248aa40faf703f3ebdbd101a040c69ed63a399c7e99e934778d0db301bf9a5
MD5 hash:
aff4dcaa520b431a7793543f4fb0ffb8
SHA1 hash:
7913ee2eee5a1e4ed0e2a81efa830f3f8e0e23e5
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
103cd524a095d7ac73aed8efd10c0d05fa327157f5ce406d884b9cf541c8c57a
MD5 hash:
9d68637d1f90e85dc41e941c33813ae1
SHA1 hash:
01571415111de79891809196685152648e4b3277
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 103cd524a095d7ac73aed8efd10c0d05fa327157f5ce406d884b9cf541c8c57a

(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