MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfd763607915c16c88b819170639b828a72f02196be6e123318cc70633ce17fb. 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: dfd763607915c16c88b819170639b828a72f02196be6e123318cc70633ce17fb
SHA3-384 hash: 9dc198f54fbc7a05d3c1304e8dfa4a301ce4d72e1b12d0acb65ad68a9786997ba6e7c681374694c100927ba2ba90011c
SHA1 hash: 2447a8b13d33e24656410d35c63f85b6ea7af200
MD5 hash: 22033d55e472e7f41e203d2f67cd76cd
humanhash: skylark-monkey-tennis-july
File name:file
Download: download sample
Signature Stealc
File size:318'976 bytes
First seen:2023-11-25 16:15:20 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:wlc5kpSgWGlDN/Uz5fe0ZdKOo6FiI52Uzkf5XyBk3eFx/RIAB:YcqSZeaZaVUzkc5
TLSH T12164A34392E13E44EA268B729F1FC6EC774DF6508E497BB92218DE2F14B11B6C263750
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 0000080804040400 (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 :
328
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
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.Privateloader
Status:
Malicious
First seen:
2023-11-25 16:16:05 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
19 of 23 (82.61%)
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
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
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:
3dfbec388b15267cbed80e5287f674b5047bd57c74e292beae4ccf8905441a51
MD5 hash:
381f4376ca32031b8006b9e6d2d82f57
SHA1 hash:
e989f6ce84f1847a35b8168b8e92d4b2a1186e76
Detections:
stealc win_stealc_a0 win_stealc_bytecodes_oct_2023
SH256 hash:
dfd763607915c16c88b819170639b828a72f02196be6e123318cc70633ce17fb
MD5 hash:
22033d55e472e7f41e203d2f67cd76cd
SHA1 hash:
2447a8b13d33e24656410d35c63f85b6ea7af200
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