MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5378249a2b439e92691fb87751adc9fc4e2dea1792309d695b7f1d9c6887b09d. 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



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 5378249a2b439e92691fb87751adc9fc4e2dea1792309d695b7f1d9c6887b09d
SHA3-384 hash: c894ef32150f0f60d5d5480c72721294017e8bb919e1862ab1a4d89ab6995f9007bdf1a77b1ff19b3a46f0e7dacf6c46
SHA1 hash: 95007b7c46858107378b9e444c83a772295fc6d9
MD5 hash: a43ee303f6e4e6870036dad6666cbbd0
humanhash: washington-kentucky-six-island
File name:5378249a2b439e92691fb87751adc9fc4e2dea1792309d695b7f1d9c6887b09d.bin
Download: download sample
File size:14'336 bytes
First seen:2021-12-28 23:08:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cd7553ae2854859eef9163f16af8a54b
ssdeep 192:inijqRo3XvjEpzbuYEP2mbSAuGrjH+QGJhg5LCWoh2hEWp5emydw6Xeh/:4iSHbu0Q3rMJhg5xm2hTbyC6O
Threatray 1'054 similar samples on MalwareBazaar
TLSH T164524BBFD6128D62F5F62A30343AED1F6DBEB6300F68CA9BCE1144646564246FC78607
Reporter Arkbird_SOLG
Tags:exe Ransomware


Avatar
ArkbirdDevil
.WhiteHorse extension

Intelligence


File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5378249a2b439e92691fb87751adc9fc4e2dea1792309d695b7f1d9c6887b09d.bin
Verdict:
Malicious activity
Analysis date:
2021-12-28 23:12:11 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a service
Launching cmd.exe command interpreter
Creating a process with a hidden window
Creating a file in the %AppData% directory
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Changing a file
Moving a file to the Program Files subdirectory
Modifying an executable file
Creating a file
Moving a file to the %temp% directory
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Reading critical registry keys
DNS request
Deleting volume shadow copies
Stealing user critical data
Creating a file in the mass storage device
Encrypting user's files
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
greyware ransomware
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
WhiteHorse
Detection:
malicious
Classification:
rans.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Creates files in the recycle bin to hide itself
Deletes shadow drive data (may be related to ransomware)
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
May encrypt documents and pictures (Ransomware)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Tries to harvest and steal browser information (history, passwords, etc)
Uses bcdedit to modify the Windows boot settings
Writes many files with high entropy
Yara detected WhiteHorse Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546066 Sample: Bu805bhF2f.bin Startdate: 29/12/2021 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 3 other signatures 2->41 7 Bu805bhF2f.exe 502 2->7         started        process3 file4 27 qtquickextrasplugi...l.WhiteHorse (copy), Unknown 7->27 dropped 29 CortanaUnifiedTile...t.WhiteHorse (copy), Unknown 7->29 dropped 31 C:\Users\...\CortanaUnifiedTileModelCache.dat, Unknown 7->31 dropped 33 39 other malicious files 7->33 dropped 43 May disable shadow drive data (uses vssadmin) 7->43 45 Creates files in the recycle bin to hide itself 7->45 47 Deletes shadow drive data (may be related to ransomware) 7->47 49 5 other signatures 7->49 11 vssadmin.exe 1 7->11         started        13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        17 cmd.exe 1 7->17         started        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       
Threat name:
Win32.Ransomware.GarrantDecrypt
Status:
Malicious
First seen:
2021-10-15 14:35:56 UTC
File Type:
PE (Exe)
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware spyware stealer
Behaviour
Delays execution with timeout.exe
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops desktop.ini file(s)
Deletes itself
Drops startup file
Reads user/profile data of web browsers
Modifies extensions of user files
Deletes shadow copies
Unpacked files
SH256 hash:
5378249a2b439e92691fb87751adc9fc4e2dea1792309d695b7f1d9c6887b09d
MD5 hash:
a43ee303f6e4e6870036dad6666cbbd0
SHA1 hash:
95007b7c46858107378b9e444c83a772295fc6d9
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:Destructive_Ransomware_Gen1
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html

File information


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

Comments