MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b
SHA3-384 hash: 2195ff66ce372637f07fbf165b77acc62ef8269bed219e9814e6e9f38ce196a9d88128df83560fc2d73f17d47d94ba19
SHA1 hash: 59a80c57499b6eb5de31fcbf582eeeb1c3b20e9d
MD5 hash: 98274f8ae42ac490c3441b3b14459356
humanhash: virginia-quebec-potato-moon
File name:Chaos Ransomware.exe
Download: download sample
Signature Chaos
Create hunting rule
File size:23'552 bytes
First seen:2021-08-04 13:00:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:13MLWHn3kI3fcSxlR2WpKL5l4HXEJjr91Czxb5teK:Fn3kIE69pKL5lY8jr9ixbXeK
TLSH T168B2C50867FA4A39F7FF2F786DB251509775B853ED3ED74D188A404D0D22B8C8960B62
Reporter JAMESWT_WT
Tags:Chaos exe Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Chaos Ransomware.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 13:04:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b48e8b0d-d068-41af-b1a9-7b6dfb86c8a4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
MMLocker
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176330/
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3cf41892-9d7b-490a-8c38-f06de3e154f4
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826847
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes shadow drive data (may be related to ransomware)
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Writes a notice file (html or txt) to demand a ransom
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b/
Threat name:
ByteCode-MSIL.Ransomware.ApisCryptor
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 13:01:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
34 of 46 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2cnyoxvnqohmevvymo26ryss2w6ksfzlkr43abuz74y3jv2fzevq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware spyware stealer
Link:
https://tria.ge/reports/210804-n8bjvjgtte/
Behaviour
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops desktop.ini file(s)
Drops startup file
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b
MD5 hash:
98274f8ae42ac490c3441b3b14459356
SHA1 hash:
59a80c57499b6eb5de31fcbf582eeeb1c3b20e9d
Link:
https://www.unpac.me/results/ac46ef58-bd3b-4180-b69c-6daa5265042b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b

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
Create hunting rule
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/176330/

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