MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c72837081fe66e3d683607f3a09d5d03eee9689a000fbf9039561b92f05a34f. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9c72837081fe66e3d683607f3a09d5d03eee9689a000fbf9039561b92f05a34f
SHA3-384 hash: 32db97659ceade71ea303084f2c4c2fa96be364a79104ab1cab38ccd5bf1c4180ff067ceea706b1913cceb4b49e46411
SHA1 hash: 693f1644d047716691003fca3f4e67b06568fda2
MD5 hash: 2b078d3d6ffa8bdf4f45f3b63f0dcd55
humanhash: uniform-london-july-mexico
File name:HEUR-Trojan-Ransom.MSIL.Agent.gen-9c72837081fe66e3d683607f3a09d5d03eee9689a000fbf9039561b92f05a34f
Download: download sample
Signature Chaos
Create hunting rule
File size:23'552 bytes
First seen:2022-09-21 04:04:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:A3Mg/bqo2xPiVt3ep5Apf4+X0Z/NJgr91CdujOey:+qo2NiXOp5Uf4+kR7gr9GuKey
Threatray 2'582 similar samples on MalwareBazaar
TLSH T110B2B41867FA4A38F6FB2E7C2DB260415BB6B856DD3DD74C188E004D0923B9CD960B66
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter petikvx
Tags:Chaos exe Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
401
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
test.bin
Verdict:
Malicious activity
Analysis date:
2021-08-24 08:42:16 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/b093b286-1282-43e9-a955-77d6281f810b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/311872/
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Moving a recently created file
Changing a file
Moving a file to the %AppData% subdirectory
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe packed ransomware
Link:
https://www.filescan.io/uploads/632a8d8d36ba812561a5ee43/reports/995b4e3f-1805-4bb1-92ad-9b0d29428cf6/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:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8dcade76-5cc6-4197-a4e1-16d9c7e06f48
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1074251
Signature
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
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)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Drops script at startup location
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 RansomwareGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 706794 Sample: 2f05a34f.exe Startdate: 21/09/2022 Architecture: WINDOWS Score: 100 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus / Scanner detection for submitted sample 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 6 other signatures 2->85 8 2f05a34f.exe 4 2->8         started        12 svchost.exe 3 27 2->12         started        14 wbengine.exe 2->14         started        16 4 other processes 2->16 process3 file4 73 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->73 dropped 75 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->75 dropped 77 C:\Users\user\AppData\...\2f05a34f.exe.log, ASCII 8->77 dropped 103 Drops PE files with benign system names 8->103 18 svchost.exe 32 8->18         started        105 Deletes shadow drive data (may be related to ransomware) 12->105 107 Uses bcdedit to modify the Windows boot settings 12->107 22 cmd.exe 1 12->22         started        24 cmd.exe 12->24         started        26 cmd.exe 12->26         started        28 notepad.exe 12->28         started        109 Creates files inside the volume driver (system volume information) 14->109 signatures5 process6 file7 65 C:\Users\user\Videos\read_it.txt, ASCII 18->65 dropped 67 C:\Users\user\Pictures\...\read_it.txt, ASCII 18->67 dropped 69 C:\Users\user\Documents\...\read_it.txt, ASCII 18->69 dropped 71 11 other malicious files 18->71 dropped 87 Antivirus detection for dropped file 18->87 89 Multi AV Scanner detection for dropped file 18->89 91 Machine Learning detection for dropped file 18->91 101 2 other signatures 18->101 30 cmd.exe 18->30         started        33 cmd.exe 18->33         started        35 cmd.exe 18->35         started        37 notepad.exe 18->37         started        93 May disable shadow drive data (uses vssadmin) 22->93 95 Deletes shadow drive data (may be related to ransomware) 22->95 97 Uses bcdedit to modify the Windows boot settings 22->97 39 WMIC.exe 1 22->39         started        41 conhost.exe 22->41         started        43 vssadmin.exe 1 22->43         started        45 3 other processes 24->45 99 Deletes the backup plan of Windows 26->99 47 2 other processes 26->47 signatures8 process9 signatures10 111 May disable shadow drive data (uses vssadmin) 30->111 113 Deletes shadow drive data (may be related to ransomware) 30->113 49 conhost.exe 30->49         started        51 vssadmin.exe 1 30->51         started        53 WMIC.exe 30->53         started        115 Uses bcdedit to modify the Windows boot settings 33->115 55 conhost.exe 33->55         started        57 bcdedit.exe 33->57         started        59 bcdedit.exe 33->59         started        117 Deletes the backup plan of Windows 35->117 61 conhost.exe 35->61         started        63 wbadmin.exe 35->63         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9c72837081fe66e3d683607f3a09d5d03eee9689a000fbf9039561b92f05a34f/
Threat name:
ByteCode-MSIL.Ransomware.HydraCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-08-24 00:59:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=trzig4eb7ztohvudmb7tucov2a7o5fujuaapx6idsvq3slyfunhq._file
Verdict:
malicious
Similar samples:
02cf1973b602797cce3fe7a5647eb7fd93ca84b6617984ce71eb2d7389fcb120
Chaos
14f2a593281d5c9700a878f32199aa69b18f10b2d3849d216764f96a3f8a00f9
Chaos
4533b5392f6e49cf20ee0821b4c8b6b74b8af274995646791ec7fe48a2615425
Chaos
47dca00b393f5db1a0842506125dda8ec426c699e22de2df32c95d65fb990893
Chaos
538da46bffb52cffd821cb51ebd76072b6775773df6113ac1e98edab0ca49a2a
Chaos
8befc91b605e2dd3ee8917f6e4b2ab943ec7900d257b704955c2defc0328b4d8
Chaos
d6618f430c04b203394c7887803a2171402efa31427c0835e24c9dec935bf79c
Chaos
+ 2'572 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos evasion ransomware spyware stealer
Link:
https://tria.ge/reports/220921-enh7kaehh4/
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
Enumerates physical storage devices
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ef0a1119-05fe-4dce-91e8-a90725551a71
Unpacked files
SH256 hash:
9c72837081fe66e3d683607f3a09d5d03eee9689a000fbf9039561b92f05a34f
MD5 hash:
2b078d3d6ffa8bdf4f45f3b63f0dcd55
SHA1 hash:
693f1644d047716691003fca3f4e67b06568fda2
Link:
https://www.unpac.me/results/62d9c32d-d6cf-46e4-8faa-d8146e87c6fd/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9c72837081fe/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/9c72837081fe66e3d683607f3a09d5d03eee9689a000fbf9039561b92f05a34f

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/311872/

Comments