General

  • Target

    f3679a2671a17163bf5c630960d25285e0c483940eb7a95f5fe503f95383a8b4

  • Size

    664KB

  • Sample

    221003-yb2b6acgg7

  • MD5

    49b0e121df78300d5eeb36f2621e692d

  • SHA1

    0da151f1c4506e713441a2276f9e5b7f96ebf537

  • SHA256

    f3679a2671a17163bf5c630960d25285e0c483940eb7a95f5fe503f95383a8b4

  • SHA512

    d06b55b2467ecfb5d66ecc5be1ff0d4ff264fa8b64db4548664a732b0a9c3e73051b0b57947c6a3d365880492248255a079e8a8d5610998592e57e1f37d20db0

  • SSDEEP

    12288:+IS+tTjfMUeF4r5ITpdyv3MW2OnwtbqawSCq8hBc82R+orWQLDSrcB9AbbxIHu48:+iCUY4rAGvcWPubqaMrn2R+oakSrk9At

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes
  • extension

    .adlg

  • offline_id

    z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1

  • payload_url

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

    http://winnlinne.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-g28rVcqA58 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0570Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes
  • profile_id

    517

Targets

    • Target

      f3679a2671a17163bf5c630960d25285e0c483940eb7a95f5fe503f95383a8b4

    • Size

      664KB

    • MD5

      49b0e121df78300d5eeb36f2621e692d

    • SHA1

      0da151f1c4506e713441a2276f9e5b7f96ebf537

    • SHA256

      f3679a2671a17163bf5c630960d25285e0c483940eb7a95f5fe503f95383a8b4

    • SHA512

      d06b55b2467ecfb5d66ecc5be1ff0d4ff264fa8b64db4548664a732b0a9c3e73051b0b57947c6a3d365880492248255a079e8a8d5610998592e57e1f37d20db0

    • SSDEEP

      12288:+IS+tTjfMUeF4r5ITpdyv3MW2OnwtbqawSCq8hBc82R+orWQLDSrcB9AbbxIHu48:+iCUY4rAGvcWPubqaMrn2R+oakSrk9At

    • 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 Enterprise v6

Tasks