MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66c130bac5a4641ee4975154fc4b2a0d750bcd7002000f5630371dd48ac5e395. 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



MysticStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 66c130bac5a4641ee4975154fc4b2a0d750bcd7002000f5630371dd48ac5e395
SHA3-384 hash: 5c84994a85220b6a5685d801b5990ea8081d9dcc02f762bcc6341c38708f391da64915290064d3b5c99d2ed345167aa7
SHA1 hash: eebf24c589c93fa7aa334bff603d5cdc9ce62b90
MD5 hash: 07ff88e40b384508ceb763ac6cb03b42
humanhash: early-undress-neptune-winter
File name:SecuriteInfo.com.Trojan.Inject4.61510.5581.9729
Download: download sample
Signature MysticStealer
File size:364'544 bytes
First seen:2023-09-30 13:29:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 96baacc90461fcd4b5d9fcc50047c098 (37 x MysticStealer, 26 x Amadey, 15 x RedLineStealer)
ssdeep 6144:AoTeW/s5GqrO5aXnfEGIXWPvZAOXyxM+mAZUHwvo4IIuzarwOnnnMzX6DVs0BC+:0mcGqrOk86xV+mAZAwg4IIuzOnnne6B9
Threatray 772 similar samples on MalwareBazaar
TLSH T1D974AE1134E04835D4E3763466F4E777FA7EA9200B798EDB37A40F7D0A202D5EA31A5A
TrID 56.8% (.EXE) InstallShield setup (43053/19/16)
13.8% (.EXE) Win64 Executable (generic) (10523/12/4)
8.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe MysticStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
278
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Delayed writing of the file
Launching a process
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin masquerade
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:
Mystic Stealer
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Mystic Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2023-09-30 13:30:11 UTC
File Type:
PE (Exe)
AV detection:
19 of 22 (86.36%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mystic stealer
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Mystic
Unpacked files
SH256 hash:
9729674089b502a1c433766749036cbd9c75eb5735424ddbb7c8d0de1bb99e9a
MD5 hash:
d0ad89c0b07e87eb323ad4e736c7463a
SHA1 hash:
edf8b973aedef75db709f18d196fd85b2b0390d0
SH256 hash:
66c130bac5a4641ee4975154fc4b2a0d750bcd7002000f5630371dd48ac5e395
MD5 hash:
07ff88e40b384508ceb763ac6cb03b42
SHA1 hash:
eebf24c589c93fa7aa334bff603d5cdc9ce62b90
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Author:malware-lu

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

MysticStealer

Executable exe 66c130bac5a4641ee4975154fc4b2a0d750bcd7002000f5630371dd48ac5e395

(this sample)

  
Delivery method
Distributed via web download

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