MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66cfd3a5ae5c061af4371fdef0a824c02a06a657e72003349f78d46b9564c303. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 66cfd3a5ae5c061af4371fdef0a824c02a06a657e72003349f78d46b9564c303
SHA3-384 hash: 18a474e1441995545172486d94741c17264036444a23a05f2c7a26f5333b3afc1e06051986dd327506606bdc23df2384
SHA1 hash: 6896a4be591f074d05aa6faf8ea26c11f2948cc3
MD5 hash: 840b8372dbdf03b941aaecc09113e8ef
humanhash: delaware-sad-crazy-jersey
File name:66cfd3a5ae5c061af4371fdef0a824c02a06a657e72003349f78d46b9564c303
Download: download sample
Signature GandCrab
File size:75'264 bytes
First seen:2022-08-30 18:24:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 40306b615af659fc1f93cfb121cc38d9 (1'799 x GandCrab)
ssdeep 1536:l55u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rJ:tMSjOnrmBTMqqDL2/mr3IdE8we0Avu5h
TLSH T16573391428D08233F6E3F977F5B47DE548397E9817883AEF10A254FA28251D24D39B8E
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 :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Setting a single autorun event
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
EnumerateProcesses
CallSleep
ComputerProcessor
CallCrc32
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe evasive greyware ransomware shell32.dll
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.
Threat name:
Win32.Ransomware.GandCrab
Status:
Malicious
First seen:
2019-09-08 14:10:11 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
40 of 41 (97.56%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gandcrab
Score:
  10/10
Tags:
family:gandcrab persistence
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:
66cfd3a5ae5c061af4371fdef0a824c02a06a657e72003349f78d46b9564c303
MD5 hash:
840b8372dbdf03b941aaecc09113e8ef
SHA1 hash:
6896a4be591f074d05aa6faf8ea26c11f2948cc3
Detections:
win_gandcrab_auto
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
Author:kevoreilly
Description:Gandcrab Payload
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:SUSP_RANSOMWARE_Indicator_Jul20
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
Author:Florian Roth
Description:Detects ransomware indicator
Reference:https://securelist.com/lazarus-on-the-hunt-for-big-game/97757/
Rule name:win_gandcrab_auto
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.

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