MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9df83e2914c2364421893bcdf3048ee04a87bb62f94ce31dbcb5a658708ba89a. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9df83e2914c2364421893bcdf3048ee04a87bb62f94ce31dbcb5a658708ba89a
SHA3-384 hash: c7f8186f660d73e48a983ac77cb17004814024d67f00f2001e9417e88c9ef7d2b8074dc12004271b6c5fc9b65064ec4d
SHA1 hash: 4ca604aec1c66194182b25c4cc0fdf17ef9eeb7f
MD5 hash: 84dbf5b66139cf86f87ac1d420c736c9
humanhash: summer-sink-hotel-emma
File name:2023-03-06_84dbf5b66139cf86f87ac1d420c736c9_destroyer_wannacry
Download: download sample
Signature Chaos
Create hunting rule
File size:24'064 bytes
First seen:2023-03-06 11:19:45 UTC
Last seen:2023-03-08 15:36:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:i3Mg/bqo2j81KHNH6l8p7kLOjHJAr91Ck8fUb5jef:Yqo24wHN88peOjpAr9zkUbFef
Threatray 164 similar samples on MalwareBazaar
TLSH T1C7B2B51867FA4A39F6FB2F7C6DB251505B75BD57EC3DCB0D188A008D0822B9C8D60B66
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 :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-03-06_84dbf5b66139cf86f87ac1d420c736c9_destroyer_wannacry
Verdict:
Malicious activity
Analysis date:
2023-03-06 11:20:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a8902e1c-d631-42f1-8e8f-66b32aba5269

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Chaos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/371928/
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Сreating synchronization primitives
Sending a custom TCP request
Creating a process from a recently created file
Creating a file
Moving a recently created file
Changing a file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult cmd.exe filecoder hydracrypt packed ransomware ransomx sorry
Link:
https://www.filescan.io/uploads/6405cc65bfec0852a68faf38/reports/ff274c30-e364-4f54-be4f-9c93c1266a70/overview
Verdict:
Malicious
Labled as:
Ransom.HydraCrypt.Generic
Link:
https://www.hybrid-analysis.com/sample/9df83e2914c2364421893bcdf3048ee04a87bb62f94ce31dbcb5a658708ba89a
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:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/259de5bd-2bc0-4751-bc08-2d6cd4ea3801
Result
Threat name:
Chaos, TrojanRansom
Create hunting rule
Detection:
malicious
Classification:
rans.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1188182
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes shadow drive data (may be related to ransomware)
Found ransom note / readme
Machine Learning detection for dropped file
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
Sigma detected: Drops script at startup location
Writes a notice file (html or txt) to demand a ransom
Yara detected Chaos Ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 821058 Sample: XF6WLRN3Tw.exe Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 6 other signatures 2->52 7 XF6WLRN3Tw.exe 4 2->7         started        10 virus.exe 3 2->10         started        12 notepad.exe 2->12         started        14 OpenWith.exe 2->14         started        process3 file4 32 C:\Users\user\AppData\Roaming\virus.exe, PE32 7->32 dropped 34 C:\Users\user\...\virus.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\...\XF6WLRN3Tw.exe.log, CSV 7->36 dropped 16 virus.exe 3 45 7->16         started        20 notepad.exe 10->20         started        process5 file6 24 C:\Users\user\Links\read_it.txt, ASCII 16->24 dropped 26 C:\Users\user\Desktop\read_it.txt, ASCII 16->26 dropped 28 C:\Users\user\Desktop\ZUYYDJDFVF.mp3, ASCII 16->28 dropped 30 11 other malicious files 16->30 dropped 38 Antivirus detection for dropped file 16->38 40 Multi AV Scanner detection for dropped file 16->40 42 Machine Learning detection for dropped file 16->42 44 2 other signatures 16->44 22 notepad.exe 16->22         started        signatures7 process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9df83e2914c2364421893bcdf3048ee04a87bb62f94ce31dbcb5a658708ba89a/
Threat name:
ByteCode-MSIL.Ransomware.HydraCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-03-05 21:25:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tx4d4kiuyi3eiimjhpg7gbeo4bfipo3c7fgoghn4wwtfq4elvcna._file
Verdict:
malicious
Similar samples:
7826978642c568f975e2b65d1575fdf92e634f7c80db2c86c9d7c8066e8955b8
Chaos
8d76a9a577ea5ad52555a2824db6f5872548fe4bcc47d476cae57603386c4720
Chaos
9bae73eacfbc2ced0d12dee97f31c186be0b8080c3471ce497b058081ccaeeb6
Chaos
ac7a29cb82b7b3e50d8aaa0da5e431f0b466de07dad241e5b6090cf71963e3b8
Chaos
b103fc649787eb1f6121df8174d0f16aaac736fb53f5f078d312871189285956
Chaos
c797991107d261423bebab5f3cd3b44b5a63e3925baaf53ed8b0ba77f5c7fb7b
Chaos
+ 154 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos ransomware spyware stealer
Link:
https://tria.ge/reports/230306-nffadabd4s/
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
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:
9df83e2914c2364421893bcdf3048ee04a87bb62f94ce31dbcb5a658708ba89a
MD5 hash:
84dbf5b66139cf86f87ac1d420c736c9
SHA1 hash:
4ca604aec1c66194182b25c4cc0fdf17ef9eeb7f
Detections:
win_chaos_w0
Create hunting rule
Link:
https://www.unpac.me/results/4dc51f3f-9287-4433-952f-bec2c5a96ba7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9df83e2914c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/9df83e2914c2364421893bcdf3048ee04a87bb62f94ce31dbcb5a658708ba89a

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 (Nextron Systems)
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Create hunting rule
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_KB_ID_Ransomware_Chaos
Create hunting rule
Author:ditekShen
Description:Detects files referencing identities associated with Chaos ransomware
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:MALWARE_Win_Chaos
Create hunting rule
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_chaos_w0
Create hunting rule
Author:BlackBerry Threat Research
Description:Detects Ransomware Built by Chaos Ransomware Builder

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/371928/

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