MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b13f1afc77c4d537fb4b1488846b042cbdf604345954541af429fd21418e9b6. 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 2 File information Comments

SHA256 hash: 3b13f1afc77c4d537fb4b1488846b042cbdf604345954541af429fd21418e9b6
SHA3-384 hash: d04b916adf2f9080d4dbfe3199ad1a414ba57db8d8c8213b8803ac86d678dae748c1096dddeb2952485f45dc91b7ece0
SHA1 hash: a1068b07dc55523310e1abc315616b28ddeaa7e6
MD5 hash: 3a1cb901f3873ce82a21ff01f1fa1251
humanhash: stairway-autumn-twenty-whiskey
File name:file
Download: download sample
Signature Stealc
File size:318'464 bytes
First seen:2023-11-25 13:15:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5436687cad9eeb8d4746b898301812f0 (4 x Smoke Loader, 3 x Stealc, 1 x Vidar)
ssdeep 3072:/H0NHzj/zOsr/rUZHADTL6ioCrdTtS7I528d8f5XyBk3eFx/RIAB:MNf/isr/siTL6ArdRi8d8c5
TLSH T15764A76382E13E44E9258BB29F1FC6EC774DF6508E597BA911189E1F20B117EC2E3718
TrID 34.8% (.EXE) Win64 Executable (generic) (10523/12/4)
16.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
14.9% (.EXE) Win32 Executable (generic) (4505/5/1)
6.8% (.ICL) Windows Icons Library (generic) (2059/9)
6.7% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 002040b010300800 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://5.42.64.35/timeSync.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
350
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
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:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.MintZitirezC
Status:
Malicious
First seen:
2023-11-25 13:16:05 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
23 of 23 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://finnmanninger.icu
Unpacked files
SH256 hash:
3b13f1afc77c4d537fb4b1488846b042cbdf604345954541af429fd21418e9b6
MD5 hash:
3a1cb901f3873ce82a21ff01f1fa1251
SHA1 hash:
a1068b07dc55523310e1abc315616b28ddeaa7e6
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments