MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5837daaf4f7cf7280ec0a749e161015c1de39b35fa26710ce7bb22e352725ed4. 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 File information Comments

SHA256 hash: 5837daaf4f7cf7280ec0a749e161015c1de39b35fa26710ce7bb22e352725ed4
SHA3-384 hash: 5987e5382b2c7379cf41aea12de91bd01126fa36c38732833f15bba383932206445b19b3e11479ba4a8f3dcf42ca3701
SHA1 hash: f357f2a0bbd1ac95d9f6c4c1396e4ab718441a99
MD5 hash: a75cacc856827260166c52093a40f49b
humanhash: winner-yellow-washington-earth
File name:5837daaf4f7cf7280ec0a749e161015c1de39b35fa26710ce7bb22e352725ed4
Download: download sample
Signature Dharma
File size:94'720 bytes
First seen:2020-09-11 08:08:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f86dec4a80961955a89e7ed62046cc0e (42 x Dharma)
ssdeep 1536:mBwl+KXpsqN5vlwWYyhY9S4AKviICNPpzURZOZAKstB860gkyP2EO8rN:Qw+asqN5aW/hLG9CNPBURZzKsXx3PAEN
Threatray 29 similar samples on MalwareBazaar
TLSH 7E939C28D531C035F8A250FFCBFA5ABD9D684B20130794D797C11D49ABCA9D6F832A27
Reporter @JAMESWT_MHT
Tags:Crysis Dharma Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
3'741
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
Changing a file
Modifying an executable file
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Launching a process
Moving a file to the Program Files subdirectory
Creating a window
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
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 sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for submitted file
Writes many files with high entropy
Yara detected Crysis Ransomware
Yara detected Wadhrama Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284400 Sample: LgW71SpKzP Startdate: 11/09/2020 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 6 other signatures 2->44 7 LgW71SpKzP.exe 1 501 2->7         started        11 LgW71SpKzP.exe 2->11         started        13 LgW71SpKzP.exe 2->13         started        15 OpenWith.exe 2->15         started        process3 file4 26 C:\Windows\System32\LgW71SpKzP.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\...\LgW71SpKzP.exe, PE32 7->28 dropped 30 C:\ProgramData\Microsoft\...\LgW71SpKzP.exe, PE32 7->30 dropped 32 82 other files (72 malicious) 7->32 dropped 46 Creates files in the recycle bin to hide itself 7->46 48 Drops PE files to the startup folder 7->48 50 Creates an autostart registry key pointing to binary in C:\Windows 7->50 52 2 other signatures 7->52 17 cmd.exe 1 7->17         started        signatures5 process6 signatures7 34 May disable shadow drive data (uses vssadmin) 17->34 36 Deletes shadow drive data (may be related to ransomware) 17->36 20 conhost.exe 17->20         started        22 vssadmin.exe 1 17->22         started        24 mode.com 1 17->24         started        process8
Threat name:
Win32.Ransomware.Crysis
Status:
Malicious
First seen:
2020-03-26 11:53:50 UTC
File Type:
PE (Exe)
AV detection:
46 of 48 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
ransomware persistence spyware family:dharma
Behaviour
Interacts with shadow copies
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
Deletes shadow copies
Dharma

File information


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

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