Analysis
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max time kernel
141s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
22-06-2024 11:17
General
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Target
01def9f56c9af2d97800d7366551a2f1_JaffaCakes118.exe
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Size
168KB
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MD5
01def9f56c9af2d97800d7366551a2f1
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SHA1
3845b36222249023360100a1b3a6f40dfd165321
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SHA256
4a9dad6192998bba2047afd0edcde14f7d81a3171e639cac7d30615ae6b9d8a3
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SHA512
aa2bcddc092d1d556d04b6aaaeb5dce91cb9536cc3cf420fcf2169dc603a132c72f870df13cb02e2dd8f788900995146ac1944100ed50d2803412728cbe32697
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SSDEEP
3072:tgk9+8F/zGO4O9AFracIaDa2HtvudUYJDjnxk0RVikMbqT:Ce2eIG7aDa21e3tVi3C
Score
10/10
Malware Config
Extracted
Path
F:\$RECYCLE.BIN\S-1-5-21-2737914667-933161113-3798636211-1000\PIEDYQ-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: .PIEDYQ
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/cef86405e4c71c7c
| 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/cef86405e4c71c7c
Signatures
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Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (248) 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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UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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 31 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 3 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\01def9f56c9af2d97800d7366551a2f1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\01def9f56c9af2d97800d7366551a2f1_JaffaCakes118.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 Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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F:\$RECYCLE.BIN\S-1-5-21-2737914667-933161113-3798636211-1000\PIEDYQ-MANUAL.txtFilesize
8KB
MD5373da552070dcad26cc890e9864d6dc3
SHA1ba94551b1e3c88e002343821694720baa88f5708
SHA25610d9dd29f4ffb655a813960791fbf910eb49ac520c62a3cd12a72ab6d59b64ad
SHA51236316e752e72246bf6a71f1d67f6ed6fbccda78b5cfaaa2b7e17474a9c3e3f154160e3b340a74f0834c31c31b115b0eb44e628b89f7008301879a5f3e59f0fa4
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memory/2284-0-0x0000000000400000-0x0000000000AD0000-memory.dmpFilesize
6.8MB
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memory/2284-3-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2284-2-0x0000000000B40000-0x0000000000C40000-memory.dmpFilesize
1024KB
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memory/2284-659-0x0000000000400000-0x0000000000AD0000-memory.dmpFilesize
6.8MB
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memory/2284-661-0x0000000000B40000-0x0000000000C40000-memory.dmpFilesize
1024KB
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memory/2284-662-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB