Overview

overview

10

Static

static

1

Windows.png

windows7-x64

Sharing

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General

  • Target

    Windows.png

  • Size

    95KB

  • Sample

    240928-tw61xsxfqh

  • MD5

    25893d2488027e4ae586f15916911d38

  • SHA1

    5f58e2d23b6dce49186b7544e3058dcebfde2ea3

  • SHA256

    67e0f4834202beb3182c33c2c3cb9d01b3d0971023396855c11caf295a30c4ec

  • SHA512

    55fa72168a0cf45b5204096fe5c619874d173b6a01220638d45d33be2bf3590d6b092f9c1d1eec2af7cc31cbb0cb2cb7125400d0912773c3eca20407e3e52ea7

  • SSDEEP

    1536:fbVVTVBuKsommJ/RVa3kpeaQcxJAFm88zV1MYf/Ksb18dN6c3ehUctWYVMSRb4if:fBduhojJy3UlCmrzVCYjZPtUc4TSRbY6

Score
10/10
badrabbitdharmagandcrabbackdoorcredential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\S-1-5-21-1488793075-819845221-1497111674-1000\ZCXFU-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: .ZCXFU 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/e882f1f367654ac | 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/e882f1f367654ac

Targets

    • Target

      Windows.png

    • Size

      95KB

    • MD5

      25893d2488027e4ae586f15916911d38

    • SHA1

      5f58e2d23b6dce49186b7544e3058dcebfde2ea3

    • SHA256

      67e0f4834202beb3182c33c2c3cb9d01b3d0971023396855c11caf295a30c4ec

    • SHA512

      55fa72168a0cf45b5204096fe5c619874d173b6a01220638d45d33be2bf3590d6b092f9c1d1eec2af7cc31cbb0cb2cb7125400d0912773c3eca20407e3e52ea7

    • SSDEEP

      1536:fbVVTVBuKsommJ/RVa3kpeaQcxJAFm88zV1MYf/Ksb18dN6c3ehUctWYVMSRb4if:fBduhojJy3UlCmrzVCYjZPtUc4TSRbY6

    Score
    10/10
    badrabbitdharmagandcrabbackdoorcredential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

      ransomwarebadrabbit

    • Deletes NTFS Change Journal

      The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.

      ransomware

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • Gandcrab

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

      ransomwarebackdoorgandcrab

    • Clears Windows event logs

      evasionransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (312) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

Clear Windows Event Logs

1
T1070.001

File Deletion

2
T1070.004

Modify Registry

3
T1112

Credential Access

Credentials from Password Stores

2
T1555

Credentials from Web Browsers

1
T1555.003

Windows Credential Manager

1
T1555.004

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Data Destruction

1
T1485

Defacement

1
T1491

Inhibit System Recovery

3
T1490

Tasks