MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17227020b2f5ca57f2d632d0d37de8d0ffcdef142e98a6af591e8180963cd3cc. 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



Dharma


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 17227020b2f5ca57f2d632d0d37de8d0ffcdef142e98a6af591e8180963cd3cc
SHA3-384 hash: 2477ef084782c426f4a23d8259add10c4d62f3c6005fe5e673f9e801e2190733782ba3c5c5335d71a0ad5ae9c7cfa646
SHA1 hash: bbec00e5ab2c46bf01e42112b1f2d3f3d3679958
MD5 hash: 6e01128ea7256cebf19a005ba0c73a19
humanhash: salami-friend-lamp-whiskey
File name:17227020b2f5ca57f2d632d0d37de8d0ffcdef142e98a6af591e8180963cd3cc
Download: download sample
Signature Dharma
File size:94'720 bytes
First seen:2020-09-11 08:08:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f86dec4a80961955a89e7ed62046cc0e (42 x Dharma)
ssdeep 1536:mBwl+KXpsqN5vlwWYyhY9S4Ah3ix6S2uZ5LlAQOpDs:Qw+asqN5aW/hLDS09uZVlAQOV
Threatray 29 similar samples on MalwareBazaar
TLSH 6B939D29D521D039F8A250FFCBF696FDAD644B20130394D7DBC01E85AB869D6F932623
Reporter @JAMESWT_MHT
Tags:Crysis Dharma Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
3'394
Origin country :
IT IT
Mail intelligence
No data
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the system32 directory
Creating a file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Modifying an executable file
Changing a file
Launching a process
Replacing executable files
Moving a file to the Program Files subdirectory
Launching a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Enabling autorun by creating a file
Infecting executable files
Result
Threat name:
Crysis Wadhrama
Detection:
malicious
Classification:
rans.spre.adwa.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates files in the recycle bin to hide itself
Deletes shadow drive data (may be related to ransomware)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Infects executable files (exe, dll, sys, html)
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
Writes many files with high entropy
Yara detected Crysis Ransomware
Yara detected Wadhrama Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Crysis
Status:
Malicious
First seen:
2020-09-04 21:27:51 UTC
File Type:
PE (Exe)
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
ransomware spyware family:dharma persistence
Behaviour
Interacts with shadow copies
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in System32 directory
Modifies service
Adds Run key to start application
Drops desktop.ini file(s)
Drops startup file
Reads user/profile data of web browsers
Modifies extensions of user files
Deletes shadow copies
Dharma

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:MAL_Ransomware_Wadhrama
Author:Florian Roth
Description:Detects Wadhrama Ransomware via Imphash
Reference:Internal Research
Rule name:win_dharma_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Comments