Overview

overview

10

Static

static

3

7179a0c240...18.exe

windows7-x64

10

7179a0c240...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 09:04

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General

  • Target

    7179a0c240977305f04de6c449e1a202_JaffaCakes118.exe

  • Size

    191KB

  • MD5

    7179a0c240977305f04de6c449e1a202

  • SHA1

    4fecdefd8dfd0da3a22026a806c650fee79cd6aa

  • SHA256

    c3ec9dda48e2b566fd8e8d2d87303cbeabd3fb7bc64e37e165bf820647aab1cb

  • SHA512

    a5d7c61776d5166ee98e5a2c054c5b63a77002cf1f4988cc4e58eb4c587589652fe2a32260101fc7821068ec5a7f31dc0237d40791cfb0e4de0e1858d386a7e5

  • SSDEEP

    3072:xgckLPbVStLLh9UrSrsv58D7iqNmmRtI8S4D7IEF0aW+2w:47ktLLh2egS7i5mw8S4D7FQ+2

Score
10/10
gandcrabbackdoordefense_evasionexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\JHTUBQHVDB-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.3 =--- ***********************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 WILL BE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .JHTUBQHVDB 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/4faddaebd151dfc6 | 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/4faddaebd151dfc6

Signatures

  • Gandcrab

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

    ransomwarebackdoorgandcrab
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (227) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 29 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 7 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\7179a0c240977305f04de6c449e1a202_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7179a0c240977305f04de6c449e1a202_JaffaCakes118.exe"
    1⤵
    • 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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Windows\SysWOW64\wbem\wmic.exe
      "C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1828
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3748

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Privilege Escalation

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

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\JHTUBQHVDB-DECRYPT.txt
    Filesize

    8KB

    MD5

    69a76a59a790c77770d817b6938bf68c

    SHA1

    e51c238c0ab11e69c9f0a2e42dd2c587de4a273b

    SHA256

    c8483e3c33c90845a1a4050f4ae376f873480f86b7db8b9dbebd12b1eb507f4f

    SHA512

    065a924a8269775726354c067b4f480af39c299240b6061fab6586aa21e8b7d9f77b852567b3b3b1a0be6007f87b0960d72081d38a8fdff7247121833425c5ea

    Download Submit
  • memory/4720-1-0x00000000004F0000-0x00000000005F0000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/4720-2-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

    Download
  • memory/4720-615-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

    Download
  • memory/4720-632-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

    Download
  • memory/4720-633-0x00000000004F0000-0x00000000005F0000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/4720-634-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

    Download