MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5f9cfc7b37767cd37bc2ab65fff311cd996cdeedef53a1b6fe280cdc5e04032. 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 YARA 2 File information Comments

SHA256 hash: f5f9cfc7b37767cd37bc2ab65fff311cd996cdeedef53a1b6fe280cdc5e04032
SHA3-384 hash: 84a147e56f31ef75a87ad0c8ac8f1ba48536d0c4c3e6c7e1fbd10da484d0b8dcad69a861c5f30d72d020322d8ac82d85
SHA1 hash: afb805c99680be2ec2e12382aa30db63b5259e14
MD5 hash: 8c287fce1573479e65cbf66c48609da8
humanhash: jig-nevada-iowa-nebraska
File name:file
Download: download sample
Signature Stealc
File size:1'795'584 bytes
First seen:2024-11-21 21:53:36 UTC
Last seen:2024-11-21 21:56:36 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:prCkttH7saGakEFF2sYpAp4Tx/LiDYE0:prf15FKs6TNL
TLSH T1FF8533EECBCEE9E0D4BE9F38C697E010BE34807599ED146E544162254FBE40C6D2AED0
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 :
424
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-21 21:59:32 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:
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 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 21:54:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
16 of 38 (42.11%)
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:
ffeb91b9640f34597e7031a4cf663ffb1666c634ab685b2b8c422d6a8d9d20bf
MD5 hash:
07fd6351383e07f0c571d03a310825fb
SHA1 hash:
2e7270df389c2ae65f4e14b63dabcfb270c5b48a
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
f5f9cfc7b37767cd37bc2ab65fff311cd996cdeedef53a1b6fe280cdc5e04032
MD5 hash:
8c287fce1573479e65cbf66c48609da8
SHA1 hash:
afb805c99680be2ec2e12382aa30db63b5259e14
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)
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 f5f9cfc7b37767cd37bc2ab65fff311cd996cdeedef53a1b6fe280cdc5e04032

(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