Overview

overview

10

Static

static

3e71e188e9...50.exe

windows7_x64

10

3e71e188e9...50.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 07:25

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General

  • Target

    3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750.exe

  • Size

    586KB

  • MD5

    6be55222abd92fa15e0842014bb13116

  • SHA1

    00dff6871b36c36828b5e2fcd1e3ac6a886025ad

  • SHA256

    3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750

  • SHA512

    827bcdd8302c88b13c67fc6f5a9fef9487c36e72b56597f770705fc1149643f82396b45544542851b733ee11fd15ab9f6f276a4be36a48cdc5c7436ac47cf2c9

Score
10/10
gandcrabbackdoorransomwarespywarestealer

Malware Config

Extracted

Path

C:\EDHHNDIG-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: .EDHHNDIG 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/14694067130573e6 | 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/14694067130573e6

Signatures

  • GandCrab Payload 5 IoCs
  • Gandcrab

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

    ransomwarebackdoorgandcrab
  • 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 24 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 37 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750.exe
    "C:\Users\Admin\AppData\Local\Temp\3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750.exe
      "C:\Users\Admin\AppData\Local\Temp\3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750.exe"
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1264

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

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Downloads

  • memory/1264-57-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

    Download
  • memory/1264-58-0x0000000000406229-mapping.dmp
    Download
  • memory/1264-61-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

    Download
  • memory/1264-62-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

    Download
  • memory/1264-63-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

    Download
  • memory/1644-54-0x0000000001000000-0x0000000001096000-memory.dmp
    Filesize

    600KB

    Download
  • memory/1644-55-0x00000000003A0000-0x00000000003BE000-memory.dmp
    Filesize

    120KB

    Download
  • memory/1644-56-0x0000000075841000-0x0000000075843000-memory.dmp
    Filesize

    8KB

    Download