MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31bca6087b72c50f0ef6e5ab260efce8450e8f4821b863b6f0d635ae9ad407bb. 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 File information Comments

SHA256 hash: 31bca6087b72c50f0ef6e5ab260efce8450e8f4821b863b6f0d635ae9ad407bb
SHA3-384 hash: cafffdbb6bda7008c40e1affa726ebe102f144011ca002d2f74706fe3f6119bc9abe6944bf6d8bbebed9acab49e84256
SHA1 hash: ff55df43ea9b2c870b4e087b99a893ab44b1c584
MD5 hash: 30a0d8ded661cfbee7d916d140c3b34b
humanhash: timing-mike-saturn-freddie
File name:file
Download: download sample
Signature Stealc
File size:1'883'136 bytes
First seen:2024-10-27 06:06:38 UTC
Last seen:2024-10-27 07:25:07 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:HRBZ6AS39TL+gUg+30dwO8WNupXWu7YDJNlJLhIKCEmbNpO3Rr:xP6D3VL+pd3wtf0W1jjoxbNpOh
TLSH T1189533169BB64FEEDD1E403D06CFE4323B2AA90D37887D90E7352A6F68702D0156ED52
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 :
20
# of downloads :
397
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
31bca6087b72c50f0ef6e5ab260efce8450e8f4821b863b6f0d635ae9ad407bb.exe
Verdict:
Malicious activity
Analysis date:
2024-10-28 02:24:18 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
Small Spam Hype Onli
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
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
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:
Suspicious
First seen:
2024-10-27 06:07:06 UTC
File Type:
PE (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:puma 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:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
31bca6087b72c50f0ef6e5ab260efce8450e8f4821b863b6f0d635ae9ad407bb
MD5 hash:
30a0d8ded661cfbee7d916d140c3b34b
SHA1 hash:
ff55df43ea9b2c870b4e087b99a893ab44b1c584
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Stealc

Executable exe 31bca6087b72c50f0ef6e5ab260efce8450e8f4821b863b6f0d635ae9ad407bb

(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

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