General

  • Target

    8b8eeeeaff8cd8d23b43e77e80653e57_JaffaCakes118

  • Size

    1.1MB

  • Sample

    240601-ygcwrada6x

  • MD5

    8b8eeeeaff8cd8d23b43e77e80653e57

  • SHA1

    5103d0848b3a9c17e61d8409b61a341037ba81e9

  • SHA256

    f64400c70d4467a3c1b9e681cff5d4df8a5e4088f6224d32c1635d1fc861615e

  • SHA512

    6b9714206744ee60c20c6ec29b33b14e2760fec92ef46751330c9a8a485cb7119c6835c820d54d682159c152171788d437b662d9a1d0f38dd4069182dd4fd49c

  • SSDEEP

    24576:+9b0txiB4SCM89JsDKyo9nkQohwZAK/cRgOnmq9g6oB36rKX6I1:vtUBS0k3Z7cOU7m6MlR1

Malware Config

Extracted

Path

C:\MSOCache\SMAXDVTKP-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.4 =--- ***********************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: .SMAXDVTKP 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/2204324cf9eba5d9 | 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/2204324cf9eba5d9

Extracted

Path

F:\$RECYCLE.BIN\DGHAIJUM-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.4 =--- ***********************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: .DGHAIJUM 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/e541e65e7e3bf57 | 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/e541e65e7e3bf57

Targets

    • Target

      8b8eeeeaff8cd8d23b43e77e80653e57_JaffaCakes118

    • Size

      1.1MB

    • MD5

      8b8eeeeaff8cd8d23b43e77e80653e57

    • SHA1

      5103d0848b3a9c17e61d8409b61a341037ba81e9

    • SHA256

      f64400c70d4467a3c1b9e681cff5d4df8a5e4088f6224d32c1635d1fc861615e

    • SHA512

      6b9714206744ee60c20c6ec29b33b14e2760fec92ef46751330c9a8a485cb7119c6835c820d54d682159c152171788d437b662d9a1d0f38dd4069182dd4fd49c

    • SSDEEP

      24576:+9b0txiB4SCM89JsDKyo9nkQohwZAK/cRgOnmq9g6oB36rKX6I1:vtUBS0k3Z7cOU7m6MlR1

    • Gandcrab

      Gandcrab is a Trojan horse that encrypts files on a computer.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (323) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Windows Management Instrumentation

1
T1047

Defense Evasion

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks