MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 085a2a09cfdab9a65f50fa2ad4bdd21645463bd36e8a01b9b5a4accabc1c5055. 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 9 File information Comments

SHA256 hash: 085a2a09cfdab9a65f50fa2ad4bdd21645463bd36e8a01b9b5a4accabc1c5055
SHA3-384 hash: bf23e6d79f924a6c198323070fb40ca0f3f9e6e7cdafe6bc9d6bf0c44f0bfb5eecaab48826c3ff17699e62bc87e40f2d
SHA1 hash: bce753541fdf17a84ab627fa612210ccf9ba91c7
MD5 hash: 923a49da85fcb422b7e7d1a40b480964
humanhash: lithium-king-quiet-spring
File name:085a2a09cfdab9a65f50fa2ad4bdd21645463bd36e8a01b9b5a4accabc1c5055
Download: download sample
Signature Chaos
File size:28'160 bytes
First seen:2022-09-27 13:58:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'880 x AgentTesla, 19'800 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 384:VtWZPzzxAm1vvlzey3EWx0OeuBbsXlCOy5o91atuU82vYs:c7zxAm3zb370Oeu1Rho9Ed82gs
Threatray 2'644 similar samples on MalwareBazaar
TLSH T16FC2B30477FA463AF6FF5F7869B251014B76B956DC29E74E088E11890C32B8CCDA0B67
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 :
514
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
soon.exe
Verdict:
Malicious activity
Analysis date:
2022-09-27 14:09:36 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Searching for the window
Running batch commands
Creating a process with a hidden window
Launching a service
Launching a process
Searching for synchronization primitives
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Deleting volume shadow copies
Preventing system recovery
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe packed ransomware
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
Verdict:
Malicious
Result
Threat name:
Chaos, Voidcrypt
Detection:
malicious
Classification:
rans.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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)
Deletes the backup plan of Windows
Disables the Windows task manager (taskmgr)
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
Tries to harvest and steal browser information (history, passwords, etc)
Uses bcdedit to modify the Windows boot settings
Writes many files with high entropy
Yara detected Chaos Ransomware
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 711222 Sample: MQNJRv0iLp.exe Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus / Scanner detection for submitted sample 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 6 other signatures 2->83 8 MQNJRv0iLp.exe 5 2->8         started        11 trace.exe 2->11         started        14 wbengine.exe 2->14         started        16 4 other processes 2->16 process3 file4 71 C:\Users\user\AppData\Roaming\trace.exe, PE32 8->71 dropped 73 C:\Users\user\AppData\...\MQNJRv0iLp.exe.log, CSV 8->73 dropped 18 trace.exe 2 502 8->18         started        75 C:\...\CachedImage_1280_1024_POS4.jpg.dfjfkdf, data 11->75 dropped 97 Deletes shadow drive data (may be related to ransomware) 11->97 99 Uses bcdedit to modify the Windows boot settings 11->99 101 Tries to harvest and steal browser information (history, passwords, etc) 11->101 103 Modifies existing user documents (likely ransomware behavior) 11->103 22 cmd.exe 11->22         started        24 cmd.exe 11->24         started        26 cmd.exe 11->26         started        105 Creates files inside the volume driver (system volume information) 14->105 signatures5 process6 file7 63 C:\...\Built-In Building Blocks.dotx.dfjfkdf, data 18->63 dropped 65 C:\Users\user\...\TURABIAN.XSL.dfjfkdf, data 18->65 dropped 67 C:\Users\user\AppData\...\SIST02.XSL.dfjfkdf, data 18->67 dropped 69 15 other malicious files 18->69 dropped 85 Multi AV Scanner detection for dropped file 18->85 87 Deletes shadow drive data (may be related to ransomware) 18->87 89 Uses bcdedit to modify the Windows boot settings 18->89 95 2 other signatures 18->95 28 cmd.exe 1 18->28         started        31 cmd.exe 1 18->31         started        33 cmd.exe 1 18->33         started        91 May disable shadow drive data (uses vssadmin) 22->91 35 conhost.exe 22->35         started        37 vssadmin.exe 22->37         started        39 WMIC.exe 22->39         started        41 conhost.exe 24->41         started        43 2 other processes 24->43 93 Deletes the backup plan of Windows 26->93 45 2 other processes 26->45 signatures8 process9 signatures10 107 May disable shadow drive data (uses vssadmin) 28->107 109 Deletes shadow drive data (may be related to ransomware) 28->109 111 Uses bcdedit to modify the Windows boot settings 28->111 47 WMIC.exe 1 28->47         started        49 conhost.exe 28->49         started        51 vssadmin.exe 1 28->51         started        53 bcdedit.exe 8 1 31->53         started        55 bcdedit.exe 7 1 31->55         started        57 conhost.exe 31->57         started        113 Deletes the backup plan of Windows 33->113 59 conhost.exe 33->59         started        61 wbadmin.exe 3 33->61         started        process11
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Status:
Malicious
First seen:
2022-09-15 10:17:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:chaos evasion persistence ransomware spyware stealer
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 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
Deletes backup catalog
Disables Task Manager via registry modification
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
085a2a09cfdab9a65f50fa2ad4bdd21645463bd36e8a01b9b5a4accabc1c5055
MD5 hash:
923a49da85fcb422b7e7d1a40b480964
SHA1 hash:
bce753541fdf17a84ab627fa612210ccf9ba91c7
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:INDICATOR_SUSPICOUS_EXE_References_VEEAM
Author:ditekSHen
Description:Detects executables containing many references to VEEAM. Observed in ransomware
Rule name:MALWARE_Win_Chaos
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:pe_imphash
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments