MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f00731846286fee5a6fca51ebdee6825454eb3a6fec5467b8bf12e7263d9b6c. 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



Chaos


Vendor detections: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: 9f00731846286fee5a6fca51ebdee6825454eb3a6fec5467b8bf12e7263d9b6c
SHA3-384 hash: 921a066e4154d0710b3f246819450389b27706a5e8b54ec0498e7f0b2c0f12b20dbb8d3f7030113e478f34249d64dd6c
SHA1 hash: 131f6467afa1c14d7d884e69128570473100b018
MD5 hash: 7e48410ace9b417500edd359bbf4683a
humanhash: bulldog-zulu-idaho-california
File name:2023-03-01_7e48410ace9b417500edd359bbf4683a_destroyer_wannacry
Download: download sample
Signature Chaos
File size:28'160 bytes
First seen:2023-03-05 08:03:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'785 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 384:+tWZPzzxAm1vp5Z+HxbEWx0OeuBbdcluiOy5o91WnZBq5982vi:j7zxAmpwb70Oeu1who94nPqj82q
Threatray 147 similar samples on MalwareBazaar
TLSH T110C2B44477FA4636F6FF6F7869B251014B36B956DC29E74D088E11890C32B8CCDA0B6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:Chaos

Intelligence


File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-03-01_7e48410ace9b417500edd359bbf4683a_destroyer_wannacry
Verdict:
Malicious activity
Analysis date:
2023-03-05 08:05:36 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Searching for the window
Changing a file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe packed ransomware
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Chaos, Conti, Voidcrypt
Detection:
malicious
Classification:
rans
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Drops PE files with benign system names
Found ransom note / readme
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Chaos Ransomware
Yara detected Conti ransomware
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Status:
Malicious
First seen:
2023-03-01 22:40:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 39 (82.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:chaos persistence ransomware spyware stealer
Behaviour
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Modifies extensions of user files
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
9f00731846286fee5a6fca51ebdee6825454eb3a6fec5467b8bf12e7263d9b6c
MD5 hash:
7e48410ace9b417500edd359bbf4683a
SHA1 hash:
131f6467afa1c14d7d884e69128570473100b018
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:Destructive_Ransomware_Gen1
Author:Florian Roth (Nextron Systems)
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:INDICATOR_SUSPICOUS_EXE_References_VEEAM
Author:ditekSHen
Description:Detects executables containing many references to VEEAM. Observed in ransomware
Rule name:MALWARE_Win_Chaos
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments