MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25835a890a218fd26bfd8b23696576402b5eb8a4c9af4a51529e14c4f00a9cce. 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

Babuk

Vendor detections: 10

Intelligence 10 IOCs YARA 10 File information Comments

SHA256 hash:	25835a890a218fd26bfd8b23696576402b5eb8a4c9af4a51529e14c4f00a9cce
SHA3-384 hash:	dc934245d2b63592a91e90cb3bbb870ea8f009d0728e12a6adfa5ed004879fab8dc0223eac2e685f78ee78211e1dec01
SHA1 hash:	9f87288ce3c3dcb182bb468a348813f08be3b42b
MD5 hash:	8373085c527b21c1b76748d65aac4d19
humanhash:	alaska-alpha-berlin-purple
File name:	25835a890a218fd26bfd8b23696576402b5eb8a4c9af4a51529e14c4f00a9cce.bin
Download:	download sample
Signature	Babuk Create hunting rule
File size:	80'896 bytes
First seen:	2022-04-19 21:52:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	202fa14f574c71c2f95878e40a79322d (35 x Babuk)
ssdeep	1536:4lkWBeGZzEKMsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2vsf:eBeupMsrQLOJgY8Zp8LHD4XWaNH71dLE
Threatray	1'654 similar samples on MalwareBazaar
TLSH	T16183D9115985D2B6C5D232319167F1AAC53A197003B5B38B63C027AEFB10AD8F6BCF67
TrID	58.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 12.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 9.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.4% (.EXE) Win32 Executable (generic) (4505/5/1) 3.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	Arkbird_SOLG
Tags:	Babuk blaze exe Ransomware

Intelligence

File Origin

# of uploads :

# of downloads :

454

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Babuk

Link:

https://www.capesandbox.com/analysis/264710/

Detection(s):

Win.Ransomware.Packer-7473772-1

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Creating a file

Changing a file

Launching a service

Searching for synchronization primitives

Deleting volume shadow copies

Creating a file in the mass storage device

Forced shutdown of a browser

Encrypting user's files

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

babuk cmd.exe explorer.exe filecoder ransomware shell32.dll

Link:

https://www.filescan.io/uploads/625f2f43ffe27d51190fea40/reports/92dfdc53-3be2-4dda-b866-0193508bb5f3/overview

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2df51ac7-6ae5-47ca-8450-fe8e609b09af

Result

Threat name:

Unknown

Detection:

malicious

Classification:

rans.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/979148

Signature

Antivirus / Scanner detection for submitted sample

Deletes shadow drive data (may be related to ransomware)

Found Tor onion address

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

May disable shadow drive data (uses vssadmin)

May encrypt documents and pictures (Ransomware)

Multi AV Scanner detection for submitted file

Sigma detected: Copying Sensitive Files with Credential Data

Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/25835a890a218fd26bfd8b23696576402b5eb8a4c9af4a51529e14c4f00a9cce/

Threat name:

Win32.Ransomware.Babuk

Status:

Malicious

First seen:

2022-01-01 19:27:00 UTC

File Type:

PE (Exe)

AV detection:

34 of 37 (91.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ewbvvcikegh5e275rmrwszlwiavv5ofezgxuuukstykmj4akttha._file

Verdict:

malicious

Label(s):

ryuk

Result

Malware family:

n/a

Score:

10/10

Tags:

ransomware

Link:

https://tria.ge/reports/220419-1rlmracaaq/

Behaviour

Interacts with shadow copies

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Enumerates connected drives

Checks computer location settings

Modifies extensions of user files

Deletes shadow copies

Unpacked files

SH256 hash:

25835a890a218fd26bfd8b23696576402b5eb8a4c9af4a51529e14c4f00a9cce

MD5 hash:

8373085c527b21c1b76748d65aac4d19

SHA1 hash:

9f87288ce3c3dcb182bb468a348813f08be3b42b

Detections:

win_babuk_auto

Link:

https://www.unpac.me/results/b322d229-cfd0-49cb-ba88-dec76015f533/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.30

Link:

https://yomi.yoroi.company/submissions/25835a890a218fd26bfd8b23696576402b5eb8a4c9af4a51529e14c4f00a9cce

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:	Babuk Create hunting rule
Author:	@_FirehaK <yara@firehak.com>
Description:	Babuk / Babyk ransomware
Reference:	http://chuongdong.com/reverse%20engineering/2021/01/03/BabukRansomware/

Rule name:	Destructive_Ransomware_Gen1 Create hunting rule
Author:	Florian Roth
Description:	Detects destructive malware
Reference:	http://blog.talosintelligence.com/2018/02/olympic-destroyer.html

Rule name:	Destructive_Ransomware_Gen1_RID31CB Create hunting rule
Author:	Florian Roth
Description:	Detects destructive malware
Reference:	http://blog.talosintelligence.com/2018/02/olympic-destroyer.html

Rule name:	INDICATOR_SUSPICIOUS_GENRansomware Create hunting rule
Author:	ditekSHen
Description:	detects command variations typically used by ransomware

Rule name:	INDICATOR_SUSPICOUS_EXE_References_VEEAM Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing many references to VEEAM. Observed in ransomware

Rule name:	MALWARE_Win_Babuk Create hunting rule
Author:	ditekSHen
Description:	Detects Babuk ransomware

Rule name:	Ransom_Babuk Create hunting rule
Author:	TS @ McAfee ATR
Description:	Rule to detect Babuk Locker

Rule name:	SUSP_RANSOMWARE_Indicator_Jul20 Create hunting rule
Author:	Florian Roth
Description:	Detects ransomware indicator
Reference:	https://securelist.com/lazarus-on-the-hunt-for-big-game/97757/

Rule name:	SUSP_RANSOMWARE_Indicator_Jul20_RID31A2 Create hunting rule
Author:	Florian Roth
Description:	Detects ransomware indicator
Reference:	https://securelist.com/lazarus-on-the-hunt-for-big-game/97757/

Rule name:	win_babuk_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.babuk.

File information

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

Link

https://id-ransomware.blogspot.com/2021/12/blaze-ransomware.html

Cape

https://www.capesandbox.com/analysis/264710/

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