MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0178461a8373f6147042d0c7ca7febb020dc4f600e639d6a53d343c02899bc9a. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: 0178461a8373f6147042d0c7ca7febb020dc4f600e639d6a53d343c02899bc9a
SHA3-384 hash: d5729e5a40c1cd90fb9061c2fdfa1e1594b2e595da84c369cacb7931da60a3fdd006b4f6c87f8422e1cbb5c7d839c434
SHA1 hash: 884c0cd0125b00e60f9310cb58368a70947fb2dd
MD5 hash: c5b6c3453d14458530ce6b38eb016973
humanhash: earth-snake-floor-mountain
File name:0178461a8373f6147042d0c7ca7febb020dc4f600e639d6a53d343c02899bc9a
Download: download sample
Signature Chaos
File size:167'128 bytes
First seen:2022-11-15 14:53:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:1oCFpIr9DEHLPYBtBsGLUS3FTotB5CHcv+q1l3sBJBsbnKFi8zHf4K5ydVX50sqn:ur9DuLPOB1L330ySbm7ynXiNn
Threatray 3'231 similar samples on MalwareBazaar
TLSH T178F3F72439FB502DF1B3FEB55FD4B59B9E6FF7332A0A6469109103460B12E82DE91239
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)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter petikvx
Tags:Chaos exe Keygroup Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
544
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0178461a8373f6147042d0c7ca7febb020dc4f600e639d6a53d343c02899bc9a
Verdict:
Malicious activity
Analysis date:
2022-11-15 14:52:07 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 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
Modifying an executable file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
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:
Unknown
Threat level:
n/a  -.1/10
Confidence:
100%
Tags:
cmd.exe explorer.exe overlay packed 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:
CHAOS Ransomware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
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
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)
May drop file containing decryption instructions (likely related to ransomware)
May encrypt documents and pictures (Ransomware)
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
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 746594 Sample: 0ubD1HTFc1.exe Startdate: 15/11/2022 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 7 other signatures 2->85 8 0ubD1HTFc1.exe 4 2->8         started        12 explorer.exe 3 24 2->12         started        14 wbengine.exe 2->14         started        16 4 other processes 2->16 process3 file4 73 C:\Users\user\AppData\Roaming\explorer.exe, PE32 8->73 dropped 75 C:\Users\...\explorer.exe:Zone.Identifier, ASCII 8->75 dropped 77 C:\Users\user\AppData\...\0ubD1HTFc1.exe.log, CSV 8->77 dropped 103 Drops PE files with benign system names 8->103 18 explorer.exe 37 8->18         started        105 Deletes shadow drive data (may be related to ransomware) 12->105 107 May encrypt documents and pictures (Ransomware) 12->107 109 Uses bcdedit to modify the Windows boot settings 12->109 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        111 Creates files inside the volume driver (system volume information) 14->111 signatures5 process6 file7 65 C:\Users\user\Desktop\...\SNIPGPPREP.xlsx, ASCII 18->65 dropped 67 C:\Users\user\Desktop\...\VWDFPKGDUF.docx, ASCII 18->67 dropped 69 C:\Users\user\Desktop\MIVTQDBATG.mp3, ASCII 18->69 dropped 71 3 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 113 May disable shadow drive data (uses vssadmin) 30->113 115 Deletes shadow drive data (may be related to ransomware) 30->115 49 conhost.exe 30->49         started        51 vssadmin.exe 1 30->51         started        53 WMIC.exe 30->53         started        117 Uses bcdedit to modify the Windows boot settings 33->117 55 conhost.exe 33->55         started        57 bcdedit.exe 33->57         started        59 bcdedit.exe 33->59         started        119 Deletes the backup plan of Windows 35->119 61 conhost.exe 35->61         started        63 wbadmin.exe 35->63         started        process11
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Status:
Malicious
First seen:
2022-11-07 07:09:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:chaos evasion 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
Sets desktop wallpaper using registry
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
Unpacked files
SH256 hash:
0178461a8373f6147042d0c7ca7febb020dc4f600e639d6a53d343c02899bc9a
MD5 hash:
c5b6c3453d14458530ce6b38eb016973
SHA1 hash:
884c0cd0125b00e60f9310cb58368a70947fb2dd
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:INDICATOR_SUSPICIOUS_GENRansomware
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:MALWARE_Win_Chaos
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_RANSOMWARE_Indicator_Jul20
Author:Florian Roth
Description:Detects ransomware indicator
Reference:https://securelist.com/lazarus-on-the-hunt-for-big-game/97757/
Rule name:SUSP_RANSOMWARE_Indicator_Jul20_RID31A2
Author:Florian Roth
Description:Detects ransomware indicator
Reference:https://securelist.com/lazarus-on-the-hunt-for-big-game/97757/

File information


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

Comments