MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
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SHA256 hash: 587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16
SHA3-384 hash: 201abc1134a6da8e5490fae437f927c2954fcc00058636f8ae171b1b78858baff8ffd2ffa30d27d0e4cf835d6ac7ecc5
SHA1 hash: 443016e524902e25e60a52300a5ccf6161563ae1
MD5 hash: 49edf916a2a8f2a3eb6ba55ca8d73f80
humanhash: pasta-princess-tango-vermont
File name:587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16
Download: download sample
Signature Chaos
Create hunting rule
File size:1'752'576 bytes
First seen:2024-11-02 16:20:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'861 x AgentTesla, 19'793 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 12288:uCdEeHT8gYgz1DaWUcgiJK84x41DAyN26goK6n9g3I5xB9slF2DHhUutV48PBsv3:uSzBhDgcvK9IsyP9AMM9dpEb9rv
Threatray 276 similar samples on MalwareBazaar
TLSH T1848578343DEA5029F173AF7D8BE8759AE96EBAA337079859107203C607239439DC153E
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
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 75 x RemcosRAT, 68 x Formbook)
Reporter JAMESWT_WT
Tags:Chaos exe Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
467
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16.exe
Verdict:
Malicious activity
Analysis date:
2024-11-02 16:25:07 UTC
Tags:
crypto-regex chaos ransomware
Link:
https://app.any.run/tasks/99c1b418-acaa-4cab-92d0-d6287b0e5ed0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29038.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=6726518049e92a05dde2740a
Tags:
ransomware dropper crypt
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-security chaos cmd filecoder hydracrypt lolbin ransomware wmic
Link:
https://www.filescan.io/uploads/672651747aa72be47553bb15/reports/573e7f14-13f9-42fd-b501-4cf912f017b7/overview
Verdict:
Malicious
Labled as:
Ransom.HydraCrypt.Generic
Link:
https://www.hybrid-analysis.com/sample/587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16
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/0dd318af-6133-4d14-9bb3-3e52aa066ba7
Result
Threat name:
Chaos, TrojanRansom
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1547556
Signature
.NET source code contains very large strings
AI detected suspicious sample
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
Found ransom note / readme
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Machine Learning detection for 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
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: 1547556 Sample: w63fIsw9S8.exe Startdate: 02/11/2024 Architecture: WINDOWS Score: 100 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus / Scanner detection for submitted sample 2->84 86 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->86 88 13 other signatures 2->88 8 w63fIsw9S8.exe 4 2->8         started        12 svchost.exe 2->12         started        14 wbuser.exe 3 2->14         started        16 3 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\...\w63fIsw9S8.exe.log, CSV 8->78 dropped 106 Deletes shadow drive data (may be related to ransomware) 8->106 108 Drops PE files with benign system names 8->108 18 svchost.exe 3 55 8->18         started        110 Overwrites Mozilla Firefox settings 12->110 112 Uses bcdedit to modify the Windows boot settings 12->112 114 Tries to harvest and steal browser information (history, passwords, etc) 12->114 22 cmd.exe 12->22         started        24 cmd.exe 12->24         started        26 cmd.exe 12->26         started        28 notepad.exe 12->28         started        116 Creates files inside the volume driver (system volume information) 14->116 signatures5 process6 file7 66 C:\Users\user\Documents\read_it.txt, ASCII 18->66 dropped 68 C:\Users\user\Documents\...\read_it.txt, ASCII 18->68 dropped 70 C:\Users\user\AppData\Roaming\read_it.txt, ASCII 18->70 dropped 72 10 other malicious files 18->72 dropped 90 Antivirus detection for dropped file 18->90 92 Multi AV Scanner detection for dropped file 18->92 94 Machine Learning detection for dropped file 18->94 96 Writes a notice file (html or txt) to demand a ransom 18->96 30 cmd.exe 1 18->30         started        33 cmd.exe 1 18->33         started        35 cmd.exe 1 18->35         started        37 notepad.exe 5 18->37         started        98 May disable shadow drive data (uses vssadmin) 22->98 100 Deletes shadow drive data (may be related to ransomware) 22->100 39 vssadmin.exe 22->39         started        41 conhost.exe 22->41         started        43 WMIC.exe 22->43         started        102 Uses bcdedit to modify the Windows boot settings 24->102 45 3 other processes 24->45 104 Deletes the backup plan of Windows 26->104 47 2 other processes 26->47 signatures8 process9 signatures10 118 May disable shadow drive data (uses vssadmin) 30->118 120 Deletes shadow drive data (may be related to ransomware) 30->120 122 Uses bcdedit to modify the Windows boot settings 30->122 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        124 Deletes the backup plan of Windows 35->124 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/587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16/
Threat name:
ByteCode-MSIL.Ransomware.HydraCrypt
Create hunting rule
Status:
Malicious
First seen:
2024-10-08 16:38:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lb4qrzs5ifxbayswu6egj4p6yn24ci3gpae5bckbzvdxlje5pula._file
Verdict:
malicious
Label(s):
chaos
Create hunting rule
Similar samples:
45b93dc9cc01909bc2277c0c98022af81ea88aeb0957e8e7fa9bd194bcb172e4
Chaos
524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4
Chaos
87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6
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a54a38a9aab0bde31b2065d8b88a8e6569cc66c3f6137379b6b5a62361c319f0
Chaos
+ 266 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos ransomware
Link:
https://tria.ge/reports/241102-ttm52azbpl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Chaos family
Chaos
Chaos Ransomware
Verdict:
Malicious
Tags:
ransomware chaos
YARA:
MALWARE_Win_Chaos
Link:
https://app.threat.zone/submission/76264243-4754-4170-a08f-41d7aff812e3
Unpacked files
SH256 hash:
587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16
MD5 hash:
49edf916a2a8f2a3eb6ba55ca8d73f80
SHA1 hash:
443016e524902e25e60a52300a5ccf6161563ae1
Detections:
ChaosRansomware
Create hunting rule
Link:
https://www.unpac.me/results/7c82a3b4-fbcc-4803-b880-a2b899a62931/
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/587908e65d416e106256a78864f1fec375c123667809d08941cd4775a49d7d16

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: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: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.

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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