General

  • Target

    6eee114a36f811cd6cbcf06066ab380522b17dd4fdd44.exe

  • Size

    796KB

  • Sample

    230129-w27kraac6x

  • MD5

    f6dbc78ddf0f87e29d0f7fcf6e9d7f75

  • SHA1

    82ace216270342a162e5c9ce777b83ae490486e7

  • SHA256

    6eee114a36f811cd6cbcf06066ab380522b17dd4fdd4480dd79c44f3855fd078

  • SHA512

    f00e82a1d386607780fb4a1973ff7e946f3b3a73c4c596fd63e73bcd974b0953ae002c3cb13d7a18be95df51562681cdb73bf1f8251f7ca138ff5d8e90f939f6

  • SSDEEP

    24576:6AWPfrKoCcLIyaxbSoFrW6BxdLCDYJmRz4CF6:wPJlapSOr7xQSmRz16

Malware Config

Extracted

Family

djvu

C2

http://drampik.com/raud/get.php

Attributes
  • extension

    .assm

  • offline_id

    ex4uvTKsM2vEkIcr3MjXi2C6v27h1mS682iUXGt1

  • payload_url

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

    http://drampik.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-wY6g3rkhZz 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@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0638JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.2

Botnet

19

C2

https://t.me/litlebey

https://steamcommunity.com/profiles/76561199472399815

Attributes
  • profile_id

    19

Targets

    • Target

      6eee114a36f811cd6cbcf06066ab380522b17dd4fdd44.exe

    • Size

      796KB

    • MD5

      f6dbc78ddf0f87e29d0f7fcf6e9d7f75

    • SHA1

      82ace216270342a162e5c9ce777b83ae490486e7

    • SHA256

      6eee114a36f811cd6cbcf06066ab380522b17dd4fdd4480dd79c44f3855fd078

    • SHA512

      f00e82a1d386607780fb4a1973ff7e946f3b3a73c4c596fd63e73bcd974b0953ae002c3cb13d7a18be95df51562681cdb73bf1f8251f7ca138ff5d8e90f939f6

    • SSDEEP

      24576:6AWPfrKoCcLIyaxbSoFrW6BxdLCDYJmRz4CF6:wPJlapSOr7xQSmRz16

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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