MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments
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SHA256 hash: 954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c
SHA3-384 hash: 71851b3db5cb916387a96f3dcdabbb8aaa91b8d602a493390b5f0b19c6e6a60abf9316200cfe4b0cf523bba08274e70f
SHA1 hash: 24dbe7a81a5bda771d7557fa3f5000f4a9f27179
MD5 hash: a4ac3f1674f24c6e596bf71fc47bd275
humanhash: eight-pluto-lake-hawaii
File name:Chaos.exe
Download: download sample
Signature Chaos
Create hunting rule
File size:22'528 bytes
First seen:2025-05-18 19:25:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'040 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 384:13Mg/bqo2HgkbOnNTYvTppSuqMWLJ1r91CxRQDfem:Pqo2jyZYvTppDA91r9CRQzem
Threatray 2'396 similar samples on MalwareBazaar
TLSH T1C5A2E70867FA563DF6FE1EBC2DB250415771B943DD1EE74D2CCE015D0823B8C9A90AA6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter 5KidRo0t
Tags:.NET Chaos exe Locker Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
883
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svchost.7z
Verdict:
No threats detected
Analysis date:
2024-07-29 12:33:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bfc488e1-fc96-4f77-acf0-25a5281b71a1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682a365c375681df7c1a679a
Tags:
ransomware autorun dropper virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Changing a file
Reading critical registry keys
Modifies multiple files
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Searching for the window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
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:
anti-security base64 cmd hydracrypt lolbin obfuscated ransomware reconnaissance wmic
Link:
https://www.filescan.io/uploads/682a3451c609634bd7c7cb2f/reports/03fbcc02-6168-4f2f-bc9b-6f854184c039/overview
Verdict:
Malicious
Labled as:
Ransom.Small.Generic
Link:
https://www.hybrid-analysis.com/sample/954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c
Malware family:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fbfaf43c-464a-49e0-b0ca-2308229c7fbf
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1693515
Signature
Antivirus / Scanner detection for submitted sample
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Drops PE files with benign system names
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Sigma detected: System File Execution Location Anomaly
Tries to harvest and steal browser information (history, passwords, etc)
Uses bcdedit to modify the Windows boot settings
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1693515 Sample: Chaos.exe Startdate: 18/05/2025 Architecture: WINDOWS Score: 100 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus / Scanner detection for submitted sample 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 8 other signatures 2->88 8 Chaos.exe 4 2->8         started        12 svchost.exe 2->12         started        14 wbuser.exe 3 2->14         started        16 4 other processes 2->16 process3 file4 74 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->74 dropped 76 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->76 dropped 78 C:\Users\user\AppData\Local\...\Chaos.exe.log, CSV 8->78 dropped 104 Deletes shadow drive data (may be related to ransomware) 8->104 106 Drops PE files with benign system names 8->106 18 svchost.exe 3 50 8->18         started        108 Uses bcdedit to modify the Windows boot settings 12->108 22 cmd.exe 12->22         started        24 cmd.exe 12->24         started        26 cmd.exe 12->26         started        28 notepad.exe 12->28         started        110 Creates files inside the volume driver (system volume information) 14->110 signatures5 process6 file7 66 C:\Users\user\Desktop\...\WUTJSCBCFX.docx, ASCII 18->66 dropped 68 C:\Users\user\Desktop\KZWFNRXYKI.jpg, ASCII 18->68 dropped 70 C:\Users\user\Desktop\BPMLNOBVSB.jpg, ASCII 18->70 dropped 72 27 other malicious files 18->72 dropped 90 Multi AV Scanner detection for dropped file 18->90 92 Deletes shadow drive data (may be related to ransomware) 18->92 94 Overwrites Mozilla Firefox settings 18->94 102 2 other signatures 18->102 30 cmd.exe 1 18->30         started        33 cmd.exe 1 18->33         started        35 cmd.exe 1 18->35         started        37 notepad.exe 18->37         started        96 May disable shadow drive data (uses vssadmin) 22->96 39 vssadmin.exe 22->39         started        41 conhost.exe 22->41         started        43 WMIC.exe 22->43         started        98 Uses bcdedit to modify the Windows boot settings 24->98 45 3 other processes 24->45 100 Deletes the backup plan of Windows 26->100 47 2 other processes 26->47 signatures8 process9 signatures10 112 May disable shadow drive data (uses vssadmin) 30->112 114 Deletes shadow drive data (may be related to ransomware) 30->114 116 Uses bcdedit to modify the Windows boot settings 30->116 49 vssadmin.exe 1 30->49         started        52 WMIC.exe 1 30->52         started        54 conhost.exe 30->54         started        56 bcdedit.exe 8 1 33->56         started        58 bcdedit.exe 9 1 33->58         started        60 conhost.exe 33->60         started        118 Deletes the backup plan of Windows 35->118 62 conhost.exe 35->62         started        64 wbadmin.exe 3 35->64         started        process11 signatures12 80 Deletes shadow drive data (may be related to ransomware) 49->80
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c/
Threat name:
ByteCode-MSIL.Ransomware.Sorry
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 05:23:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 35 (94.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=svgy7tllotlwtgpz5qbtzkcv77nlmwk34iydt4b3ytdac75dsmwa._file
Verdict:
malicious
Label(s):
genericransomware
Create hunting rule
chaos
Create hunting rule
Similar samples:
074c7aa722ff77df5ed56b655cc11da0288550a7405dc439be4417c6fccf7d5f
Chaos
290072a9e1cf3872487cf586a592be534abc894d20ffd1121fe8338f1b52b451
Chaos
3998d0e987accc2837c6bf87fdb2796d0170ae2a79383b78fd778531410e337f
Chaos
4ace874e49e91218de765ebf5c53dcff6279011f374024727467ed766f32b540
Chaos
8727091cbb89e5e31eeb2503ffaa242601c8840eee0973fd62fedf1b4b58ab44
Chaos
c797991107d261423bebab5f3cd3b44b5a63e3925baaf53ed8b0ba77f5c7fb7b
Chaos
d2c3a910a20421a972374af55bc95c291ae44e82bfb714713d37f5c1dc664eeb
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d9771a04128e50870a96bc7ac8605982205011b723810a04a3411a1ac7eba05d
Chaos
+ 2'386 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos defense_evasion evasion execution impact ransomware spyware stealer
Link:
https://tria.ge/reports/250518-x5lm5abn91/
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
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
Deletes backup catalog
Deletes shadow copies
Modifies boot configuration data using bcdedit
Renames multiple (205) files with added filename extension
Chaos
Chaos Ransomware
Chaos family
Unpacked files
SH256 hash:
954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c
MD5 hash:
a4ac3f1674f24c6e596bf71fc47bd275
SHA1 hash:
24dbe7a81a5bda771d7557fa3f5000f4a9f27179
Detections:
ChaosRansomware
Create hunting rule
Destructive_Ransomware_Gen1
Create hunting rule
INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
MALWARE_Win_Chaos
Create hunting rule
Link:
https://www.unpac.me/results/97f554c9-ae9e-4e2c-aa06-edd5d106e65f/
Malware family:
Chaos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/954d8fcd6b74/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c

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_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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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.

  
Delivery method
Other

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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