Analysis
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max time kernel
142s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
27/04/2024, 15:34
General
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Target
SecuriteInfo.com.Trojan.Encoder.28247.1335.4895.exe
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Size
291KB
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MD5
e6b43b1028b6000009253344632e69c4
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SHA1
e536b70e3ffe309f7ae59918da471d7bf4cadd1c
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SHA256
bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a
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SHA512
07da214314673407a7d3978ee6e1d20bf1e02f135bf557e86b50489ecc146014f2534515c1b613dba96e65489d8c82caaa8ed2e647684d61e5e86bd3e8251adf
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SSDEEP
6144:nSRCSpUtLz+/enihebWBUOP3yIhLVMmi0CtG7go+I:SUOEnNnHbmP3yIE3tGX
Score
10/10
Malware Config
Extracted
Path
C:\$Recycle.Bin\ZFUWFGPDU-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: .ZFUWFGPDU
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/25d87361a414a5e2
| 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/25d87361a414a5e2
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 (299) 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\SecuriteInfo.com.Trojan.Encoder.28247.1335.4895.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Encoder.28247.1335.4895.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
MD508ddcf99ca5f2200dd48391d467bb5f8
SHA13e801a3bc28017f89d4cd33158df2d3adb1ccf46
SHA25689280e7df64acd10d038028fca7c2a311418d03d72e16116a217d8b971622f03
SHA5122811293576112b22477fc8ec907645660771a3544999f4e807f48cf264d9ecb7983e8bbb4cbdafb6f554052f73695cc947c6d8ae5931c6dd5e3b9236be2fb1fb
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Filesize
1024KB
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Filesize
78.7MB
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Filesize
78.7MB
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Filesize
1024KB