General

  • Target

    ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8

  • Size

    800KB

  • Sample

    221212-xyr7bscd35

  • MD5

    803fd0050ba2d539017e9fa6efd1ea27

  • SHA1

    eaf496fa3255aceecdb170c43190a9b628f03b75

  • SHA256

    ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8

  • SHA512

    b8747c794eb0b0a7a9bda2af480c1d43da7ed054e30a83e33376e104d7774a1e57e42856c4925421b75e215a76e67515ffe8496b9dd855f285b634b8f1d48ab3

  • SSDEEP

    12288:iMcNIJl3u5ssGW2e+eMaloP7HfTP4wHBTymsH+iSnwzuk6KB4ct2YdgtCtg:ijwx3PeTlgTP4whq+iSn6z8

Malware Config

Extracted

Family

djvu

C2

http://abibiall.com/test2/get.php

Attributes
  • extension

    .maos

  • offline_id

    M6quF9d1g2LNWnBiQpTSgbW26JwEOrFwFfT1xGt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://abibiall.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-67n37yZLXk Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0615JOsie

rsa_pubkey.plain

Targets

    • Target

      ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8

    • Size

      800KB

    • MD5

      803fd0050ba2d539017e9fa6efd1ea27

    • SHA1

      eaf496fa3255aceecdb170c43190a9b628f03b75

    • SHA256

      ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8

    • SHA512

      b8747c794eb0b0a7a9bda2af480c1d43da7ed054e30a83e33376e104d7774a1e57e42856c4925421b75e215a76e67515ffe8496b9dd855f285b634b8f1d48ab3

    • SSDEEP

      12288:iMcNIJl3u5ssGW2e+eMaloP7HfTP4wHBTymsH+iSnwzuk6KB4ct2YdgtCtg:ijwx3PeTlgTP4whq+iSn6z8

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks