MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25cff944847dec98b79538ced3eb5a189f83f7de3ed4782297bb3c6a4f58176d. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25cff944847dec98b79538ced3eb5a189f83f7de3ed4782297bb3c6a4f58176d
SHA3-384 hash: 5a4288f28c577ae41503e0f8e08e69ee14921f087db7e6a5c4dacaf0e6b84af732cc4b01113f1f1a6e4e1504e7bb9e3d
SHA1 hash: 5b003654a5440a6059b6d7fbd1c4f2ba5ecdf79f
MD5 hash: db5da51d0844ef08c81e7b9fa0dae7ac
humanhash: ten-pennsylvania-maryland-blossom
File name:25cff944847dec98b79538ced3eb5a189f83f7de3ed4782297bb3c6a4f58176d
Download: download sample
Signature GandCrab
Create hunting rule
File size:90'112 bytes
First seen:2022-08-30 21:18:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 51a29125de2c7240e9e3cc3e2cd2da06 (7 x GandCrab)
ssdeep 1536:x555555555555pbsuSndfJ3urtciyMqqU+2bbbAV2/S2xr3IdE8mne0Avu5r++yn:QzVurZyMqqDL2/xr3IdE8we0Avu5r++G
TLSH T1FF937C1029E5C1F3F2F2F63BBA717AA8043EBFD5666C762B416410BE101A0528D75B9F
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 :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Gandcrab
Create hunting rule
Link:
https://www.capesandbox.com/analysis/305407/
Detection(s):
Win.Ransomware.Gandcrab-6502430-0
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
Creating a file in the %AppData% subdirectories
Changing a file
DNS request
Launching a process
Creating a process with a hidden window
Сreating synchronization primitives
Creating a window
Setting a single autorun event
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe evasive greyware overlay ransomware shell32.dll
Link:
https://www.filescan.io/uploads/630e7fce5b45ec20ccda2477/reports/3e446e77-680a-4bb6-ac8b-343ee4754017/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/25cff944847dec98b79538ced3eb5a189f83f7de3ed4782297bb3c6a4f58176d/
Threat name:
Win32.Ransomware.GandCrab
Create hunting rule
Status:
Malicious
First seen:
2018-02-02 17:55:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=exh7sreepxwjrn4vhdhnh222dcpyh566h3khqiuxxm6gut2yc5wq._file
Result
Malware family:
gandcrab
Create hunting rule
Score:
  10/10
Tags:
family:gandcrab persistence
Link:
https://tria.ge/reports/220830-z585jaadal/
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:
25cff944847dec98b79538ced3eb5a189f83f7de3ed4782297bb3c6a4f58176d
MD5 hash:
db5da51d0844ef08c81e7b9fa0dae7ac
SHA1 hash:
5b003654a5440a6059b6d7fbd1c4f2ba5ecdf79f
Detections:
win_gandcrab_auto
Create hunting rule
Link:
https://www.unpac.me/results/73b9ef5b-15f9-4bfe-bbca-3017f43a8fa3/
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/305407/

Comments