MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bc8ce79ee7043c9ad70698e3fc2013806244dc5112c8c8d465e96757b57b1e1. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3bc8ce79ee7043c9ad70698e3fc2013806244dc5112c8c8d465e96757b57b1e1
SHA3-384 hash: 736a2494b02c06c5221d8aa197d6670932caf21fe7fdd6f373bc9d2df839ad20430f9b97d24c3dc3f074abe2913cb396
SHA1 hash: 18c1dfe6e5e401d4fb4f309af2daae166816bd97
MD5 hash: 48c0edeea7a6fda6646c3cdb9630a964
humanhash: friend-zebra-music-may
File name:ragnar_locker_Omniga.de__
Download: download sample
Signature RagnarLocker
Create hunting rule
File size:49'664 bytes
First seen:2020-08-03 10:00:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 839139e8d46f551df7ae96cb6ef00736 (4 x RagnarLocker)
ssdeep 768:9zsfaMDiZ2oq65co7Bjd/3oqab0k3RW2X0oj+cykcN:9zFMq2o4qFoqaXiu+nkc
Threatray 142 similar samples on MalwareBazaar
TLSH C2235B554A87E065F99308B43326BCE5B2BE6AB08748ABE3FD001C81247D5F3AD24733
Reporter JAMESWT_WT
Tags:Omniga RagnarLocker Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
2'577
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Ragnarlocker
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37705/
Detection(s):
Win.Exploit.CVE_2017_0213-6306933-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a process with a hidden window
Launching a process
Moving a file to the Program Files subdirectory
Deleting volume shadow copies
Creating a file in the mass storage device
Encrypting user's files
Result
Threat name:
RagnarLocker
Create hunting rule
Detection:
malicious
Classification:
rans.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/407742
Signature
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to extract many sensitive information (likely to send to a C&C)
Contains functionality to infect the boot sector
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
Writes many files with high entropy
Yara detected RagnarLocker ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256043 Sample: ragnar_locker_Omniga.de__ Startdate: 03/08/2020 Architecture: WINDOWS Score: 92 29 Yara detected RagnarLocker ransomware 2->29 31 Sigma detected: Delete shadow copy via WMIC 2->31 33 May disable shadow drive data (uses vssadmin) 2->33 35 3 other signatures 2->35 7 ragnar_locker_Omniga.exe 501 2->7         started        11 notepad.exe 2->11         started        process3 file4 21 C:\Users\user\Desktop\...\MOCYNWGDZO.docx, Unknown 7->21 dropped 23 C:\Users\user\Desktop\...VCMENBQHP.pdf, Unknown 7->23 dropped 25 C:\Users\user\Desktop\KBIFTJWHNZ.pdf, Unknown 7->25 dropped 27 129 other malicious files 7->27 dropped 37 May disable shadow drive data (uses vssadmin) 7->37 39 Contains functionality to infect the boot sector 7->39 41 Deletes shadow drive data (may be related to ransomware) 7->41 43 4 other signatures 7->43 13 WMIC.exe 1 7->13         started        15 vssadmin.exe 1 7->15         started        signatures5 process6 process7 17 conhost.exe 13->17         started        19 conhost.exe 15->19         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3bc8ce79ee7043c9ad70698e3fc2013806244dc5112c8c8d465e96757b57b1e1/
Threat name:
Win32.Ransomware.RagnarLocker
Create hunting rule
Status:
Malicious
First seen:
2020-05-31 00:33:48 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
45 of 48 (93.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hpem46poobb4tllqnghd7qqbhadcitofcewizdkgl2lhk62xwhqq._file
Verdict:
malicious
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+ 132 additional samples on MalwareBazaar
Result
Malware family:
ragnarlocker
Create hunting rule
Score:
  10/10
Tags:
ransomware persistence family:ragnarlocker bootkit
Link:
https://tria.ge/reports/200803-pcp19c2sze/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Opens file in notepad (likely ransom note)
Drops file in Program Files directory
Modifies service
Writes to the Master Boot Record (MBR)
Drops startup file
Modifies extensions of user files
Deletes shadow copies
RagnarLocker
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Filecoder
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3bc8ce79ee7043c9ad70698e3fc2013806244dc5112c8c8d465e96757b57b1e1

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:ragnarlocker_ransomware
Create hunting rule
Author:Christiaan Beek | Marc Rivero | McAfee ATR Team
Description:Rule to detect RagnarLocker samples
Reference:https://www.bleepingcomputer.com/news/security/ragnar-locker-ransomware-targets-msp-enterprise-support-tools/
Rule name:win_ragnarlocker_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/37705/

Comments