MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85fe9f67ab85bf222a82b13ff37cc0e3a2a88d73f2446e47ed6e7e88cf6b0f83. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: 85fe9f67ab85bf222a82b13ff37cc0e3a2a88d73f2446e47ed6e7e88cf6b0f83
SHA3-384 hash: 3358b30a45e1bad7e1b096afa87dc7c92bd6d35c1385a58f74f9bd8a7a16b8f2f5cc222dfb9f67380d4a917adaa89ba7
SHA1 hash: 9bcf3ee176b1755fe6ed088aa31409821e8f24aa
MD5 hash: 292cf186b9046c3582b9dfa6ac9d1ea4
humanhash: december-mike-johnny-high
File name:file
Download: download sample
Signature Stealc
File size:271'360 bytes
First seen:2023-11-19 06:17:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c641dbd6770cebe481abc8b5144dfbb8 (2 x Smoke Loader, 1 x Stealc, 1 x Vidar)
ssdeep 3072:cLgwKGdk4Gc2Hq8DeIyb+BxSumEo2BUhNl0XRyUI9y7ovb3Trh6:q7dkJcT8Cdi2Eo2qnlUI9SMrT
TLSH T1EA449D2329D3AC31C45643714E2D9AECB72E77227E67877B27161E5BD9302B1D61B302
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0020809010301000 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://194.49.94.48/timeSync.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
341
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin shell32
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.Backdoor.Tofsee
Status:
Malicious
First seen:
2023-11-19 04:02:44 UTC
File Type:
PE (Exe)
Extracted files:
20
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://giuliotoro.icu
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

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