MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fb20feaa9876771253ed7bea6c676be5db265e374f7cf62e98b36384649b3ee. 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 3 File information Comments

SHA256 hash: 6fb20feaa9876771253ed7bea6c676be5db265e374f7cf62e98b36384649b3ee
SHA3-384 hash: d7256bb525016bbceafcd940a6812702c8d3f0b6c8e3f2415552d0a50c9be9a60bee6818f58cae96626b47c8f7361faa
SHA1 hash: c25d18483c62ac39a2fcb18fad1243807a070485
MD5 hash: 9bfb07258a06979b933085d5693bf9c7
humanhash: ack-ten-five-emma
File name:file
Download: download sample
Signature Stealc
File size:285'184 bytes
First seen:2023-11-27 05:09:20 UTC
Last seen:2023-11-27 05:29:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bf239f08d0ec234f337a28373e606928 (4 x Stealc, 2 x Smoke Loader, 1 x Vidar)
ssdeep 3072:emBuDpYzAnyJvtfFLPrLQz0kKEKYaLiTEZ0DmbzhixrO7bR:XBmpc2Ov7jLd4aLCEiOhimR
TLSH T1EA54C64382F17D45EA368B729F2E86EC772EF5909E49BB742119DE1F50B10B2D2A3710
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0008dccaa0a48484 (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 :
2
# of downloads :
324
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Changing a file
Creating a file in the %AppData% subdirectories
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)
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-11-27 07:05:57 UTC
AV detection:
29 of 37 (78.38%)
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://janmorath.icu
Unpacked files
SH256 hash:
6fb20feaa9876771253ed7bea6c676be5db265e374f7cf62e98b36384649b3ee
MD5 hash:
9bfb07258a06979b933085d5693bf9c7
SHA1 hash:
c25d18483c62ac39a2fcb18fad1243807a070485
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
Rule name:SEH__vectored
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