MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a0d1265d52d2f76dae31aab48b706a72f03078a6111694f59c4ebf06e6e9f43. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 5a0d1265d52d2f76dae31aab48b706a72f03078a6111694f59c4ebf06e6e9f43
SHA3-384 hash: 8140dbbff195660724dae0eb8d48659cba9d6a789238e9071fbf689604efa59b54bb85d43dc9bc99177fb567393da0b3
SHA1 hash: 46fbe820362e9d79ae17ce16e40ce26aaa94bbe0
MD5 hash: ac87d0da39d6421dca7527172c30d069
humanhash: maine-summer-winter-harry
File name:5a0d1265d52d2f76dae31aab48b706a72f03078a6111694f59c4ebf06e6e9f43.bin
Download: download sample
Signature Dharma
File size:94'724 bytes
First seen:2020-10-16 16:35:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f86dec4a80961955a89e7ed62046cc0e (94 x Dharma, 1 x Crysis)
ssdeep 1536:mBwl+KXpsqN5vlwWYyhY9S4ATiQyG1xrzYN6w67W3yaSSNrqhOrFVlgm/D:Qw+asqN5aW/hLpiQy6rYq7W3CWrj/D
TLSH 4593AE29D531C139F4A350FFC7F696BDAD644B20130794D783C01E9AAB899D6F932A22
Reporter Arkbird_SOLG
Tags:Crysis Dharma Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
3'684
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Moving a file to the Program Files subdirectory
Launching a process
Launching a service
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
Sending a UDP request
Changing a file
Modifying an executable file
Replacing executable files
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 submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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:
2018-12-15 20:27:54 UTC
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
ransomware family:dharma persistence spyware
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Interacts with shadow copies
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
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
Unpacked files
SH256 hash:
5a0d1265d52d2f76dae31aab48b706a72f03078a6111694f59c4ebf06e6e9f43
MD5 hash:
ac87d0da39d6421dca7527172c30d069
SHA1 hash:
46fbe820362e9d79ae17ce16e40ce26aaa94bbe0
Detections:
win_dharma_auto
SH256 hash:
4f127cf413c80b75b29569a6a52369927ad48d65c3ad022008886647f5d8ca8e
MD5 hash:
dbb6961099bbf5dabfed0f98c01bfe0f
SHA1 hash:
9a504d5d26a62ae05797fceea7a11801e2513247
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: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