Analysis
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max time kernel
1790s -
max time network
1562s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
26-03-2024 13:44
General
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Target
Fuck.exe
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Size
168KB
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MD5
d1c616cf0fd1eb61164e9091cad354c5
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SHA1
444539834e496f04cf9c07594645ca252f3b52a8
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SHA256
b5a2fe5b87deed18b789929faaa7601771de63dfe6a670d09224aa57ebe8c6b9
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SHA512
441477d5a429dad3e499e943c8dfb54ad673320eed81f4fec00b3798839b3bb296c446354d5e1f46ec52aa278417011ab8ae7f374df1347e341e46243276af00
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SSDEEP
3072:B36NS6YsVsI11Tl2JD5wMPm+RY8RvPCdSGk8RQcj2Er:B3H6TsuzYGMgWcSE
Score
10/10
Malware Config
Extracted
Path
F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\AUJSLF-MANUAL.txt
Family
gandcrab
Ransom Note
---= GANDCRAB V5.2 =---
***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED***********************
*****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS*****
Attention!
All your files, documents, photos, databases and other important files are encrypted and have the extension: .AUJSLF
The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files.
The server with your key is in a closed network TOR. You can get there by the following ways:
----------------------------------------------------------------------------------------
| 0. Download Tor browser - https://www.torproject.org/
| 1. Install Tor browser
| 2. Open Tor Browser
| 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/91eed623f5163c3
| 4. Follow the instructions on this page
----------------------------------------------------------------------------------------
On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free.
ATTENTION!
IN ORDER TO PREVENT DATA DAMAGE:
* DO NOT MODIFY ENCRYPTED FILES
* DO NOT CHANGE DATA BELOW
---BEGIN GANDCRAB KEY---
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
---END GANDCRAB KEY---
---BEGIN PC DATA---
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
---END PC DATA---
URLs
http://gandcrabmfe6mnef.onion/91eed623f5163c3
Signatures
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Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (311) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Drops file in Program Files directory 40 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\Fuck.exe"C:\Users\Admin\AppData\Local\Temp\Fuck.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c vssadmin delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5aa63d825477b5293edc2d68619fd8709
SHA1c1bb154ace790d0d1bb74281cef6c96f6b49f5f9
SHA2564e55d04f0eb7a87984bf1d0e4a455f34d12c32865776dd30dd253c98d77ff079
SHA5128d12852986a6a77a7f4a6b97e67f75235dc3ca0c3eeff4e85547f6e3b62722b3edbed100de1077d2883f4232dab679c54a9b1871dbc723da73600204e3df280e
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Filesize
1024KB
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Filesize
756KB
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Filesize
756KB
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Filesize
1024KB