MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2. 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: 21


Intelligence 21 IOCs YARA 9 File information Comments
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SHA256 hash: a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2
SHA3-384 hash: 4f9c609d2f44b18b359d2e52061889302da0dca8e3d244a3e4759b5e78463a9e9fc9046d4acd3e0c7a866f0a01beff3b
SHA1 hash: ab94da5e3094ce259171bc3db43a234ad8c05b28
MD5 hash: 97517b7480182b69b42dc58d2c61f7e0
humanhash: hawaii-minnesota-arkansas-indigo
File name:GOATEDSIGMA.exe
Download: download sample
Signature Chaos
Create hunting rule
File size:269'312 bytes
First seen:2025-08-28 19:15:54 UTC
Last seen:2025-09-12 15:56:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Qr9SE7ReaYriVvBuH5mMPHFl1rtocPHDRChwrMHU:q7RMeVpe5mMfFlzoyDRCyrMHU
Threatray 280 similar samples on MalwareBazaar
TLSH T1CC443B343EEB901AB2B3EF658AE4759BDA5FB7733B02945D1051034A4623E82DEC193D
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 burger
Tags:Chaos exe Ransomware

Intelligence

File Origin
# of uploads :
2
# of downloads :
273
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ryuk
Create hunting rule
ID:
1
File name:
GOATEDSIGMA.exe
Verdict:
Malicious activity
Analysis date:
2025-08-28 19:11:17 UTC
Tags:
crypto-regex chaos ryuk ransomware
Link:
https://app.any.run/tasks/bd16db35-8422-4e20-aad2-b384ac04e57f

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/24060/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.972-1.UNOFFICIAL
Create hunting rule

Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b0aaee3e988eb6ab82e670
Tags:
ransomware autorun virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Changing a file
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a window
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching a service
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Deleting volume shadow copies
Preventing system recovery
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-security cmd lolbin obfuscated ransomware wmic
Link:
https://www.filescan.io/uploads/68b0ab1639a6221faa7399d2/reports/f29e4314-07d2-4d51-a019-41da7ffc194d/overview
Verdict:
Malicious
Labled as:
Ransom.Imps.Generic
Link:
https://www.hybrid-analysis.com/sample/a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-Ransom.MSIL.Chaos.sb Trojan.Win32.Agent.sb HEUR:Trojan-Ransom.Win32.Generic HEUR:Trojan-Ransom.MSIL.Agent.gen HEUR:Trojan.MSIL.Fsysna.gen
Link:
https://opentip.kaspersky.com/a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2/results?tab=lookup
Malware family:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29ddd9b8-f62f-446f-aa55-db57589a1e9b
Result
Threat name:
Chaos, Voidcrypt
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1767246
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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
Yara detected RansomwareGeneric
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1767246 Sample: GOATEDSIGMA.exe Startdate: 28/08/2025 Architecture: WINDOWS Score: 100 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus / Scanner detection for submitted sample 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 11 other signatures 2->84 8 GOATEDSIGMA.exe 4 2->8         started        12 svchost.exe 2->12         started        14 wbengine.exe 3 2->14         started        16 5 other processes 2->16 process3 file4 72 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->72 dropped 74 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->74 dropped 76 C:\Users\user\AppData\...behaviorgraphOATEDSIGMA.exe.log, CSV 8->76 dropped 100 Deletes shadow drive data (may be related to ransomware) 8->100 102 Drops PE files with benign system names 8->102 18 svchost.exe 57 8->18         started        104 Overwrites Mozilla Firefox settings 12->104 106 Uses bcdedit to modify the Windows boot settings 12->106 108 Tries to harvest and steal browser information (history, passwords, etc) 12->108 22 cmd.exe 12->22         started        24 cmd.exe 12->24         started        26 cmd.exe 12->26         started        110 Creates files inside the volume driver (system volume information) 14->110 signatures5 process6 file7 64 C:\Users\user\DesktopbehaviorgraphOATEDSIGMA, ASCII 18->64 dropped 66 C:\Users\user\AppData\Roaming\...behaviorgraphOATEDSIGMA, ASCII 18->66 dropped 68 C:\Users\user\AppData\Roaming\...behaviorgraphOATEDSIGMA, ASCII 18->68 dropped 70 3 other malicious files 18->70 dropped 86 Antivirus detection for dropped file 18->86 88 Multi AV Scanner detection for dropped file 18->88 90 Deletes shadow drive data (may be related to ransomware) 18->90 92 Overwrites Mozilla Firefox settings 18->92 28 cmd.exe 1 18->28         started        31 cmd.exe 1 18->31         started        33 cmd.exe 1 18->33         started        94 May disable shadow drive data (uses vssadmin) 22->94 35 vssadmin.exe 22->35         started        37 conhost.exe 22->37         started        39 WMIC.exe 22->39         started        96 Uses bcdedit to modify the Windows boot settings 24->96 41 conhost.exe 24->41         started        43 2 other processes 24->43 98 Deletes the backup plan of Windows 26->98 45 2 other processes 26->45 signatures8 process9 signatures10 112 May disable shadow drive data (uses vssadmin) 28->112 114 Deletes shadow drive data (may be related to ransomware) 28->114 116 Uses bcdedit to modify the Windows boot settings 28->116 47 vssadmin.exe 1 28->47         started        50 WMIC.exe 1 28->50         started        52 conhost.exe 28->52         started        54 bcdedit.exe 8 1 31->54         started        56 bcdedit.exe 9 1 31->56         started        58 conhost.exe 31->58         started        118 Deletes the backup plan of Windows 33->118 60 conhost.exe 33->60         started        62 wbadmin.exe 3 33->62         started        process11 signatures12 120 Deletes shadow drive data (may be related to ransomware) 47->120
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2/
Verdict:
Malicious
Threat:
Family.CHAOS
Link:
https://tip.neiki.dev/file/a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2
Threat name:
ByteCode-MSIL.Ransomware.Sorry
Create hunting rule
Status:
Malicious
First seen:
2025-08-28 19:15:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uisuqaw5hb6q4dhlmhrijgsewumht5rfxcmhtyuvslea3koupgra._file
Verdict:
malicious
Label(s):
chaos
Create hunting rule
genericransomware
Create hunting rule
Similar samples:
524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4
Chaos
6ef2e1dcc973803f396960fcf1199cb037af1a3fd92bd81a8850fd764b8f9d98
Chaos
87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6
Chaos
a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2
Chaos
error
Chaos
fdb1c9c54f22b651f079657e057496620eaee5983636eb7c21dd07497e6752c3
Chaos
+ 270 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos defense_evasion evasion execution impact persistence ransomware spyware stealer
Link:
https://tria.ge/reports/250828-xy46wsvtfz/
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Sets desktop wallpaper using registry
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
Chaos
Chaos Ransomware
Chaos family
Verdict:
Malicious
Tags:
ransomware chaos Win.Ransomware.Hydracrypt-9878672-0
YARA:
MALWARE_Win_Chaos
Link:
https://app.threat.zone/submission/fb69443d-5f8c-4074-aa43-2d27325cb73f
Unpacked files
SH256 hash:
a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2
MD5 hash:
97517b7480182b69b42dc58d2c61f7e0
SHA1 hash:
ab94da5e3094ce259171bc3db43a234ad8c05b28
Detections:
ChaosRansomware
Create hunting rule
Link:
https://www.unpac.me/results/20b86f8f-c882-4ecd-859f-ffdf760a374b/
Malware family:
Chaos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2254802dd38/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/a2254802dd387d0e0ceb61e2849a44b51879f625b89879e29592c80da9d479a2

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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/24060/

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