MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6534b09aaf207abaa69df8a5065e0f098f24d547542e6581e52b04d33d276c82. 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 2 File information Comments

SHA256 hash: 6534b09aaf207abaa69df8a5065e0f098f24d547542e6581e52b04d33d276c82
SHA3-384 hash: 90300ad6286a48a022de4863de2c7911731316dc90f6fbfd4d5f1ed1fc22bc751aa99be1165d65ea84a26043d2266ac8
SHA1 hash: 0862797ca1fa67141cc19378f6fce653bb689d39
MD5 hash: 7b2b8a3cba68aa1586640d39eb0fdab3
humanhash: don-east-oregon-victor
File name:file
Download: download sample
Signature Stealc
File size:318'976 bytes
First seen:2024-01-09 13:09:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ec80820dcdf2b0e0211f84cab39e704c (2 x Stealc, 1 x Smoke Loader)
ssdeep 6144:mSZ/LS0aXFu89H//oqKjLPxx/Qv0TpIhFk:BZ/+06VoNLPxC8uF
TLSH T12E64739382E13D49E93A8B729F2EE6FC770EF2628F4A776511189E1F04B1576C1A3710
TrID 39.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.5% (.SCR) Windows screen saver (13097/50/3)
13.3% (.EXE) Win64 Executable (generic) (10523/12/4)
8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
dhash icon 0305130311113100 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://185.172.128.53/timeSync.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
317
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
Changing a file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed 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 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 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 harvest and steal ftp login credentials
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:
2024-01-09 13:10:06 UTC
File Type:
PE (Exe)
Extracted files:
90
AV detection:
20 of 24 (83.33%)
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 data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://5.42.64.41
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:ThreadControl__Context
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