MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27adfa5b80841fadf8e153b031d6a3282e57fb6d669ffdd1bd764bf4ff637297. 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: 15

Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash:	27adfa5b80841fadf8e153b031d6a3282e57fb6d669ffdd1bd764bf4ff637297
SHA3-384 hash:	cf903572fba42c8565f82de224389278b2d1546b0d54e87b3970f12429d0ca8b1795e4cb90face4df4380c3babc6775e
SHA1 hash:	92ac86c792e4c12b3fff974d892630ea8f68ab88
MD5 hash:	535aacdfc435bea292ebeaa5bf1e0207
humanhash:	nitrogen-music-edward-august
File name:	27adfa5b80841fadf8e153b031d6a3282e57fb6d669ffdd1bd764bf4ff637297
Download:	download sample
Signature	GandCrab Create hunting rule
File size:	75'264 bytes
First seen:	2022-08-30 18:22:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	40306b615af659fc1f93cfb121cc38d9 (1'799 x GandCrab)
ssdeep	1536:555u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rJ:RMSjOnrmBTMqqDL2/mr3IdE8we0Avu5h
Threatray	493 similar samples on MalwareBazaar
TLSH	T15373391428D08233F6E3F977F5B47DE548397E9817883AEF10A254FA28251D24D39B8E
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 :

116

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

gandcrab

ID:

File name:

27adfa5b80841fadf8e153b031d6a3282e57fb6d669ffdd1bd764bf4ff637297

Verdict:

Malicious activity

Analysis date:

2022-08-30 18:28:29 UTC

Tags:

ransomware gandcrab trojan

Link:

https://app.any.run/tasks/345313da-d343-4797-bd01-1c36366e2cb9

Note:

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

Detection:

Gandcrab

Link:

https://www.capesandbox.com/analysis/302641/

Detection(s):

Win.Ransomware.Gandcrab-6667060-0

Win.Ransomware.Gandcrab-6502432-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a file in the %AppData% subdirectories

Changing a file

DNS request

Launching a process

Creating a process with a hidden window

Setting a single autorun event

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/30898/overview

Behaviour

MalwareBazaar

EnumerateProcesses

CallSleep

ComputerProcessor

CallCrc32

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

cmd.exe evasive filecoder gandcrab greyware ransomware shell32.dll

Link:

https://www.filescan.io/uploads/630e5631fbf1afa4927a3e06/reports/33aff0f1-6f24-4c77-98c1-021078c87644/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/a19a08a0-80c1-473a-b11d-d13f723fa889

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/27adfa5b80841fadf8e153b031d6a3282e57fb6d669ffdd1bd764bf4ff637297/

Threat name:

Win32.Ransomware.GandCrab

Status:

Malicious

First seen:

2021-10-20 03:04:13 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 25 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e6w7uw4aqqp236hbkoyddvvdfaxfp63nm2p73un5ozf7j73doklq._file

Verdict:

malicious

Result

Malware family:

gandcrab

Score:

10/10

Tags:

family:gandcrab persistence

Link:

https://tria.ge/reports/220830-w1f2eachaj/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Adds Run key to start application

Enumerates connected drives

Unpacked files

SH256 hash:

27adfa5b80841fadf8e153b031d6a3282e57fb6d669ffdd1bd764bf4ff637297

MD5 hash:

535aacdfc435bea292ebeaa5bf1e0207

SHA1 hash:

92ac86c792e4c12b3fff974d892630ea8f68ab88

Detections:

win_gandcrab_auto

Link:

https://www.unpac.me/results/8285fa56-4271-43aa-b7af-55f52a16558a/

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

Threat name:

Gandcrab

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/27adfa5b80841fadf8e153b031d6a3282e57fb6d669ffdd1bd764bf4ff637297

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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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/302641/

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