MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf4c710231041c8b4be37929d084516aa94e6eff7de3c2820ff339cd05a30ab8. 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

GandCrab

Vendor detections: 12

Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash:	cf4c710231041c8b4be37929d084516aa94e6eff7de3c2820ff339cd05a30ab8
SHA3-384 hash:	85e783ef8dd049eae422d3567fe07a4e917df5d7b1c4489dbade3ac2e6a081260a30557d3cf8da89adf52583bead800e
SHA1 hash:	8fdefa40d192bf9a26160b9616a12b447bc7a54b
MD5 hash:	f3da35574fce9b324ae4c5d860fc6353
humanhash:	gee-nebraska-oscar-burger
File name:	cf4c710231041c8b4be37929d084516aa94e6eff7de3c2820ff339cd05a30ab8
Download:	download sample
Signature	GandCrab Create hunting rule
File size:	72'192 bytes
First seen:	2022-08-30 18:22:48 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1839093d1fff859ea6647e5203f3ad35 (591 x GandCrab)
ssdeep	1536:GoZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAmMqqU+2bbbAV2/S2Lccu:GmBounVyFHjMqqDL2/Lcc
Threatray	226 similar samples on MalwareBazaar
TLSH	T190635A0EB2E1A293F1F357B9FAB56E65446E3D203B24ABDB059359452D630F0693B303
TrID	29.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 22.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 20.3% (.EXE) Win32 Executable (generic) (4505/5/1) 9.1% (.EXE) OS/2 Executable (generic) (2029/13) 9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter	OSimao
Tags:	exe

Intelligence

File Origin

# of uploads :

# of downloads :

114

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

cf4c710231041c8b4be37929d084516aa94e6eff7de3c2820ff339cd05a30ab8

Verdict:

No threats detected

Analysis date:

2022-08-30 18:25:54 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/1f5f7165-e8fe-4fce-83b8-53d92971ea07

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/302653/

Detection(s):

Win.Ransomware.Gandcrab-6667060-0

Win.Ransomware.Gandcrab-6502432-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Searching for the window

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/30909/overview

Behaviour

MalwareBazaar

EnumerateProcesses

CallSleep

ComputerProcessor

CallCrc32

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

cmd.exe evasive greyware ransomware shell32.dll

Link:

https://www.filescan.io/uploads/630e56409d41b90af2be4398/reports/f9cb5370-7f4e-47f9-9938-3375dfa7e5fa/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.

Malware family:

GandCrab

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/93cfacba-74cf-4e96-9a2d-d49c2620c04b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/cf4c710231041c8b4be37929d084516aa94e6eff7de3c2820ff339cd05a30ab8/

Threat name:

Win32.Ransomware.GandCrab

Status:

Malicious

First seen:

2021-09-05 12:48:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 26 (96.15%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=z5ghcarraqoiws7dpeu5bbcrnkuu43x7pxr4faqp6m442bndbk4a._file

Verdict:

malicious

Result

Malware family:

gandcrab

Score:

10/10

Tags:

family:gandcrab backdoor ransomware

Link:

https://tria.ge/reports/220830-w1gb6sedf9/

Behaviour

Suspicious use of WriteProcessMemory

Program crash

GandCrab payload

Gandcrab

Unpacked files

SH256 hash:

cf4c710231041c8b4be37929d084516aa94e6eff7de3c2820ff339cd05a30ab8

MD5 hash:

f3da35574fce9b324ae4c5d860fc6353

SHA1 hash:

8fdefa40d192bf9a26160b9616a12b447bc7a54b

Detections:

win_gandcrab_auto

Link:

https://www.unpac.me/results/8461ad68-20cb-4d06-bc4c-dfa4e6c6add4/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/cf4c710231041c8b4be37929d084516aa94e6eff7de3c2820ff339cd05a30ab8

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:	Gandcrab Create hunting rule
Author:	kevoreilly
Description:	Gandcrab Payload

Rule name:	INDICATOR_SUSPICIOUS_ReflectiveLoader Create hunting rule
Author:	ditekSHen
Description:	detects Reflective DLL injection artifacts

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	ReflectiveLoader Create hunting rule
Author:	Florian Roth
Description:	Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:	Internal Research

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_gandcrab_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.gandcrab.

File information

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

Cape

https://www.capesandbox.com/analysis/302653/

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