MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b0cfabed9fbf6b05c74e5a31eb500fea0691c84fa736dd25e8e5013a35f038e. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9b0cfabed9fbf6b05c74e5a31eb500fea0691c84fa736dd25e8e5013a35f038e
SHA3-384 hash: a40fe5186d1f39aa083d301937fee062b0947d8ce542c64dbec1152107718c617a60f3d344cf2a96c5b82adeb8879c57
SHA1 hash: ce6e9918189e9187143e0e012356bec98988c035
MD5 hash: cc4c6842f8a31ee3ac6477b42d34acba
humanhash: quiet-eight-island-twelve
File name:2023-01-29_cc4c6842f8a31ee3ac6477b42d34acba_destroyer_wannacry
Download: download sample
Signature Chaos
Create hunting rule
File size:28'160 bytes
First seen:2023-01-29 05:21:57 UTC
Last seen:2023-01-30 08:57:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 384:atWZPzzxAm1vp5Z+HxbEWx0OeuBbIzlXOy5o91Sk5n82vt:f7zxAmpwb70Oeu1who91h82V
Threatray 157 similar samples on MalwareBazaar
TLSH T10EC2A4487BFA4636F6FF6F7869F251014B36B956DC29D74D088E01890C32B8CC9A0B67
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 Ransomware

Intelligence

File Origin
# of uploads :
3
# of downloads :
425
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-01-29_cc4c6842f8a31ee3ac6477b42d34acba_destroyer_wannacry
Verdict:
Malicious activity
Analysis date:
2023-01-29 05:24:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b4ed0d40-0cd2-4875-8932-b40a39048ce9

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/357868/
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Changing a file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Launching a process
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:
azorult clipbanker cmd.exe filecoder hydracrypt packed ransomware
Link:
https://www.filescan.io/uploads/63d6027d2d4f6d560e238171/reports/2a9b8645-9a72-450d-be56-e4856d1a85be/overview
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/e5a75d85-63ee-447c-b3d0-47dc15faf093
Result
Threat name:
Chaos, Conti, Voidcrypt
Create hunting rule
Detection:
malicious
Classification:
rans.spyw.evad.phis
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1160949
Signature
Antivirus / Scanner detection for submitted sample
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to disable the Task Manager (.Net Source)
Creates files inside the volume driver (system volume information)
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
Tries to harvest and steal browser information (history, passwords, etc)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793686 Sample: OI6F0LZ92g.exe Startdate: 29/01/2023 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 7 other signatures 2->43 7 OI6F0LZ92g.exe 5 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 3 201 2->13         started        15 8 other processes 2->15 process3 file4 35 C:\Users\user\AppData\Roaming\svchost.exe, PE32 7->35 dropped 53 Drops PE files with benign system names 7->53 17 svchost.exe 1 501 7->17         started        55 Changes security center settings (notifications, updates, antivirus, firewall) 11->55 21 MpCmdRun.exe 11->21         started        57 Tries to harvest and steal browser information (history, passwords, etc) 13->57 23 notepad.exe 13->23         started        signatures5 process6 file7 27 C:\Users\user\Desktop\...\read_it.txt, ASCII 17->27 dropped 29 C:\...\CachedImage_1280_1024_POS4.jpg.805m, data 17->29 dropped 31 C:\Users\user\AppData\Roaming\...\read_it.txt, ASCII 17->31 dropped 33 58 other malicious files 17->33 dropped 45 Multi AV Scanner detection for dropped file 17->45 47 Creates files inside the volume driver (system volume information) 17->47 49 Writes a notice file (html or txt) to demand a ransom 17->49 51 2 other signatures 17->51 25 conhost.exe 21->25         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9b0cfabed9fbf6b05c74e5a31eb500fea0691c84fa736dd25e8e5013a35f038e/
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2023-01-29 03:50:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tmgpvpwz7p3laxdu4wrr5nia72qgshee7jzw3us6rzibhi27aoha._file
Verdict:
malicious
Similar samples:
649d0574000b38f08e0c76018f8e4267a5e9c22a714b9c4138838ba91ef94b92
Chaos
6caaa5d65e3143c125dfaded69bd9c4ba7b6e0594c2328ed3de0c7bcabe0ed2f
Chaos
7e8dcb5774663532ad7100c5a702c3deb32a1bd6eeacba1a1145adec6c88ae03
Chaos
f186e55feac04f6c0477e8a6c60527ac4a95c8659727b464875e8717c86ac60a
Chaos
+ 147 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230129-f2kg8abd6y/
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
Reads user/profile data of web browsers
Executes dropped EXE
Modifies extensions of user files
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
9b0cfabed9fbf6b05c74e5a31eb500fea0691c84fa736dd25e8e5013a35f038e
MD5 hash:
cc4c6842f8a31ee3ac6477b42d34acba
SHA1 hash:
ce6e9918189e9187143e0e012356bec98988c035
Link:
https://www.unpac.me/results/c1d6b9db-2803-4970-905c-f57cbb9db663/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9b0cfabed9fb/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/9b0cfabed9fbf6b05c74e5a31eb500fea0691c84fa736dd25e8e5013a35f038e

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: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_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:INDICATOR_SUSPICOUS_EXE_References_VEEAM
Create hunting rule
Author:ditekSHen
Description:Detects executables containing many references to VEEAM. Observed in 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

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/357868/

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