MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91bbe97818559d7e7f7c35b60c152e6e2db4f42e3f9c6f80421bbdfb646e7068. 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: 91bbe97818559d7e7f7c35b60c152e6e2db4f42e3f9c6f80421bbdfb646e7068
SHA3-384 hash: 64731f826f8d258032ca6dfb40f9edc3ea14c247f794fc69034ae68276f4c408aca7e0f4bcb9744ae5dc3b748f5b6797
SHA1 hash: 6537f10af876d0397b651514575dc12dc260f9ad
MD5 hash: c702b59a26745d0e89c6252d929250d4
humanhash: beryllium-tango-avocado-august
File name:c702b59a26745d0e89c6252d929250d4.exe
Download: download sample
Signature Stealc
File size:262'656 bytes
First seen:2023-11-06 08:50:12 UTC
Last seen:2023-11-06 10:20:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b12cc29254d07cadbb008c92468c8361 (2 x MarsStealer, 2 x Smoke Loader, 1 x Stealc)
ssdeep 3072:fZzKBS8XxVmwpjXYqtvcFog3NEQyIoZ9v4YzCVzjWdQ3JLexoGOUZ:US8XrFYqtvwoceQyIyv4YzC82JKxo
Threatray 1'147 similar samples on MalwareBazaar
TLSH T168445C5356E06C63E5264B328E2EC6F4660EFCA18F5D77AAD358EA1F15703B1C272702
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 00604a4362302600 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://jaimemcgee.top/40d570f44e84a454.php

Intelligence


File Origin
# of uploads :
2
# of downloads :
329
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Sending a custom TCP request
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin packed xpack
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 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:
2023-11-06 07:57:24 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
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://jaimemcgee.top
Unpacked files
SH256 hash:
98e47c023430666672d18ddc47b21e511214a607d8a86586e01e2d33bbe20b35
MD5 hash:
b663d60bac4cf5c09fd1399aa29f38e3
SHA1 hash:
dbf52a4f440ce4d8236b7dad5dd9802a5bb84644
Detections:
stealc
SH256 hash:
91bbe97818559d7e7f7c35b60c152e6e2db4f42e3f9c6f80421bbdfb646e7068
MD5 hash:
c702b59a26745d0e89c6252d929250d4
SHA1 hash:
6537f10af876d0397b651514575dc12dc260f9ad
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:DebuggerException__SetConsoleCtrl
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.

Web download

Stealc

Executable exe 91bbe97818559d7e7f7c35b60c152e6e2db4f42e3f9c6f80421bbdfb646e7068

(this sample)

  
Delivery method
Distributed via web download

Comments