MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04c9cc0d1577d5ee54a4e2d4dd12f17011d13703cdd0e6efd46718d14fd9aa87. 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



RagnarLocker


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 04c9cc0d1577d5ee54a4e2d4dd12f17011d13703cdd0e6efd46718d14fd9aa87
SHA3-384 hash: fc84257c393de8314f18e1ad65151bb9fdcb9ba3b430364af21d5d6485cebea5729ec1931250dff5380ad87fa40eab24
SHA1 hash: f7a38385fe41bcd154fc7b6da034bfe719d6a0a7
MD5 hash: 574f3513f6d7e15f102e82e4d35bf164
humanhash: golf-mexico-timing-september
File name:CWT_company_ragnar_locker
Download: download sample
Signature RagnarLocker
File size:55'808 bytes
First seen:2020-07-30 11:00:36 UTC
Last seen:2022-04-19 20:14:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2c2aab89a4cba444cf2729e2ed61ed4f (3 x RagnarLocker)
ssdeep 768:Y+qVvyh4GpndLLngeVyIz2yOVn/fqsOSljJ+/:JqYBdLTgfs3RSljJK
Threatray 49 similar samples on MalwareBazaar
TLSH 33435C55294FE402FD8358B0326AB9DAB27D6AB44754FBD3BD002E4018F88F69679333
Reporter @JAMESWT_MHT
Tags:company cwt Locker ragnar RagnarLocker Ransomware

Intelligence


File Origin
# of uploads :
5
# of downloads :
2'431
Origin country :
IT IT
Mail intelligence
No data
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Launching a process
Deleting volume shadow copies
Preventing system recovery
Creating a file in the mass storage device
Encrypting user's files
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.evad
Score:
84 / 100
Signature
Deletes shadow drive data (may be related to ransomware)
Found Tor onion address
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Sigma detected: Delete shadow copy via WMIC
Sigma detected: WannaCry Ransomware
Uses bcdedit to modify the Windows boot settings
Writes many files with high entropy
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 254277 Sample: CWT_company_ragnar_locker Startdate: 30/07/2020 Architecture: WINDOWS Score: 84 37 Sigma detected: WannaCry Ransomware 2->37 39 Sigma detected: Delete shadow copy via WMIC 2->39 41 May disable shadow drive data (uses vssadmin) 2->41 43 4 other signatures 2->43 7 CWT_company_ragnar_locker.exe 4 129 2->7         started        process3 file4 29 C:\Users\user\Desktop\...\PALRGUCVEH.xlsx, DOS 7->29 dropped 31 C:\Users\user\Desktop\...\DUUDTUBZFW.docx, data 7->31 dropped 33 C:\Users\user\Desktop\...\DUUDTUBZFW.pdf, data 7->33 dropped 35 18 other malicious files 7->35 dropped 45 May disable shadow drive data (uses vssadmin) 7->45 47 Deletes shadow drive data (may be related to ransomware) 7->47 49 Uses bcdedit to modify the Windows boot settings 7->49 51 2 other signatures 7->51 11 bcdedit.exe 1 1 7->11         started        13 bcdedit.exe 1 7->13         started        15 bcdedit.exe 1 7->15         started        17 2 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 17->27         started       
Threat name:
Win32.Ransomware.RagnarLocker
Status:
Malicious
First seen:
2020-07-28 01:09:33 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
44 of 48 (91.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware evasion bootkit persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Interacts with shadow copies
Drops file in Program Files directory
Drops file in Program Files directory
Modifies service
Modifies service
Drops desktop.ini file(s)
Writes to the Master Boot Record (MBR)
Writes to the Master Boot Record (MBR)
Drops desktop.ini file(s)
Modifies boot configuration data using bcdedit
Deletes shadow copies
Modifies boot configuration data using bcdedit
Deletes shadow copies

File information


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

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