Overview

overview

10

Static

static

1

RNSM00363.7z

windows7-x64

10

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General

  • Target

    RNSM00363.7z

  • Size

    10.7MB

  • Sample

    241107-t4859aykfq

  • MD5

    248bb72ffd8a4761046bfd48287f5956

  • SHA1

    96dba0b79b1b19f5518655514ddd829524b42135

  • SHA256

    832d0b83f8c89401a8caa59c7fccc510503cd2885c25c46099fe2a9ea0fef020

  • SHA512

    3acb86d8877a68910f7539caac06a0a42aa8176e8071f6230a3e81eb53be281a6fee0b51e2c75ad6989d93ea1f74d2e909e87634d04689f80419661c478708e3

  • SSDEEP

    196608:B98GogioOZWI3txM7a0L7dQKMyX7Mm8FPRmShvy2ZAw62r3DzV3dbvw1N:BNtOZWOtxM7Tp800Bp/p9tboN

Score
10/10
emotetgandcrabtroldeshadwarebackdoorbankercredential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealertrojanupx

Malware Config

Extracted

Path

C:\$Recycle.Bin\JXIHUC-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: .JXIHUC 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/b613a6139ffd9da5 | 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/b613a6139ffd9da5

Targets

    • Target

      RNSM00363.7z

    • Size

      10.7MB

    • MD5

      248bb72ffd8a4761046bfd48287f5956

    • SHA1

      96dba0b79b1b19f5518655514ddd829524b42135

    • SHA256

      832d0b83f8c89401a8caa59c7fccc510503cd2885c25c46099fe2a9ea0fef020

    • SHA512

      3acb86d8877a68910f7539caac06a0a42aa8176e8071f6230a3e81eb53be281a6fee0b51e2c75ad6989d93ea1f74d2e909e87634d04689f80419661c478708e3

    • SSDEEP

      196608:B98GogioOZWI3txM7a0L7dQKMyX7Mm8FPRmShvy2ZAw62r3DzV3dbvw1N:BNtOZWOtxM7Tp800Bp/p9tboN

    Score
    10/10
    emotetgandcrabtroldeshadwarebackdoorbankercredential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealertrojanupx

    • Emotet

      Emotet is a trojan that is primarily spread through spam emails.

      trojanbankeremotet

    • Emotet family

      emotet

    • Gandcrab

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

      ransomwarebackdoorgandcrab

    • Gandcrab family

      gandcrab

    • Troldesh family

      troldesh

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

      ransomwaretrojantroldesh

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (274) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Browser Extensions

1
T1176

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Direct Volume Access

1
T1006

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

8
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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

3
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

2
T1490

Tasks