MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8. 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: 21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8
SHA3-384 hash: b31464bb6e7bfc4a19daa8a07ae14410d3755ea428afe45bff973e63045238fb2e3ae090bf8d126fa870e0623e260a84
SHA1 hash: b7b316bf93045e82e8755c3b819f49c8fa44ba9c
MD5 hash: 7a8fb035790633a8ae8894441fbe8775
humanhash: triple-thirteen-robert-mockingbird
File name:SecuriteInfo.com.Variant.Lazy.392901.17019.21993
Download: download sample
Signature MysticStealer
File size:282'624 bytes
First seen:2023-09-30 14:30:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5b961e24b82512d2a00ac6c970dad1c8 (9 x MysticStealer, 5 x RedLineStealer, 4 x Smoke Loader)
ssdeep 3072:WhVUoyoyi7Re9jWW4Vu6106vOiIPMoCT7NxH/F3EPVYtoz6HyWzybWMQMlB2mlIZ:Whe/KajWpVP06ffH/FEpWz2hIvPpTrj
Threatray 775 similar samples on MalwareBazaar
TLSH T14154C001B8C48071D92384384895F7635D2CFC273AE6CF6BDAC045767AA42D2BE7DE69
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe MysticStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
282
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Modifying a system executable 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)
Infecting executable files
Unauthorized injection to a system process
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware lolbin
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:
88 / 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
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 14:31:06 UTC
File Type:
PE (Exe)
AV detection:
17 of 23 (73.91%)
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:
21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8
MD5 hash:
7a8fb035790633a8ae8894441fbe8775
SHA1 hash:
b7b316bf93045e82e8755c3b819f49c8fa44ba9c
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 21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8

(this sample)

  
Delivery method
Distributed via web download

Comments