MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21957bfa277e386c9967171dd181723fc9cc63d3ec00e782e72fa9477007c5c5. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21957bfa277e386c9967171dd181723fc9cc63d3ec00e782e72fa9477007c5c5
SHA3-384 hash: 3749da6f6d25b7d1146dc2427af5f3372faf6ab2fc0d25019667b4756431ed85f91a317667a68d23b754c67a14ae2f20
SHA1 hash: 31fa0d3f068d65ee777d040d093ef145f6d36eb5
MD5 hash: 41f632e9186aa82ddcf7a80ebecc47e5
humanhash: east-utah-eighteen-fruit
File name:21957bfa277e386c9967171dd181723fc9cc63d3ec00e782e72fa9477007c5c5
Download: download sample
Signature GandCrab
Create hunting rule
File size:71'168 bytes
First seen:2022-08-30 21:27:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2b4bc2af4d7edfd1476bd09d0ea9def7 (5 x GandCrab)
ssdeep 1536:d555555555555pDf3BrpDz3txh3KciaMqqU+2bbbAV2/S2xr3IdE8mne0Avu5r+y:3/Xr9aaMqqDL2/xr3IdE8we0Avu5r++Z
TLSH T1D9637C102DE08233E2E3FE3BBA357DF8583ABFD8242D761E10A6447D19691424A3579F
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 OSimao
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
gandcrab
Create hunting rule
ID:
1
File name:
21957bfa277e386c9967171dd181723fc9cc63d3ec00e782e72fa9477007c5c5
Verdict:
Malicious activity
Analysis date:
2022-08-31 00:07:44 UTC
Tags:
ransomware gandcrab trojan
Link:
https://app.any.run/tasks/caaf8b3a-b471-4a59-9726-cef1d364a689

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Gandcrab
Create hunting rule
Link:
https://www.capesandbox.com/analysis/305432/
Detection(s):
Win.Ransomware.Gandcrab-6502430-0
Create hunting rule

Win.Ransomware.Gandcrab-6502431-0
Create hunting rule

Win.Ransomware.Gandcrab-6614714-0
Create hunting rule

Win.Ransomware.Gandcrab-6667060-0
Create hunting rule

Win.Ransomware.Gandcrab-6502432-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe evasive greyware ransomware shell32.dll
Link:
https://www.filescan.io/uploads/630e8191116a699e028d8ed1/reports/3e1f37da-20c8-4aa2-b4b6-fa711dc380a7/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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21957bfa277e386c9967171dd181723fc9cc63d3ec00e782e72fa9477007c5c5/
Threat name:
Win32.Ransomware.GandCrab
Create hunting rule
Status:
Malicious
First seen:
2018-02-05 01:36:56 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=egkxx6rhpy4gzglhc4o5dalsh7e4yy6t5qaopaxhf6uuo4ahyxcq._file
Result
Malware family:
gandcrab
Create hunting rule
Score:
  10/10
Tags:
family:gandcrab persistence
Link:
https://tria.ge/reports/220830-1bdl7scba5/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Adds Run key to start application
Enumerates connected drives
Unexpected DNS network traffic destination
Unpacked files
SH256 hash:
21957bfa277e386c9967171dd181723fc9cc63d3ec00e782e72fa9477007c5c5
MD5 hash:
41f632e9186aa82ddcf7a80ebecc47e5
SHA1 hash:
31fa0d3f068d65ee777d040d093ef145f6d36eb5
Detections:
win_gandcrab_auto
Create hunting rule
Link:
https://www.unpac.me/results/cdba3de6-b13b-4289-85ff-3f1669dbf268/
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:Gandcrab
Create hunting rule
Author:kevoreilly
Description:Gandcrab Payload
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
Cape
https://www.capesandbox.com/analysis/305432/

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