Analysis
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max time kernel
103s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-07-2022 03:59
General
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Target
41fb0d5abfce450b71c05c46fe04ea03c31264c7474832d9979dbb1d03865629.exe
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Size
686KB
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MD5
efa2a4323f392f4200b1955e61c8faa9
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SHA1
1c2ff80ad2942b508c9e410a1403ee8ec05bf6b7
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SHA256
41fb0d5abfce450b71c05c46fe04ea03c31264c7474832d9979dbb1d03865629
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SHA512
9c4253d4062dc43c4dfc18c0a49bafb9fc74bab4ced012404f7d9996204784bf684e2810abfa81fcc48ccea780f08600d67ab3b0a41ce867d09399e5c162e788
Score
10/10
Malware Config
Extracted
Path
C:\WHIRMP-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: .WHIRMP
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/c547bbe5e6e70bed
| 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/c547bbe5e6e70bed
Signatures
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Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Modifies extensions of user files 5 IoCs
Ransomware generally changes the extension on encrypted files.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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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 24 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 16 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\41fb0d5abfce450b71c05c46fe04ea03c31264c7474832d9979dbb1d03865629.exe"C:\Users\Admin\AppData\Local\Temp\41fb0d5abfce450b71c05c46fe04ea03c31264c7474832d9979dbb1d03865629.exe"1⤵
- Modifies extensions of user files
- Checks computer location settings
- Drops startup file
- 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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2848-130-0x00000000023F0000-0x0000000002410000-memory.dmpFilesize
128KB
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memory/2848-131-0x0000000000400000-0x00000000004B1000-memory.dmpFilesize
708KB
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memory/4424-132-0x0000000000000000-mapping.dmp