General

  • Target

    c420d8c81fe422a551602ccd464875b4c0d09057a5ce55debfdcdd870606e8b0

  • Size

    668KB

  • Sample

    221127-wdymyafe29

  • MD5

    3e8f9787ca3716a9526bd49ba9de2c94

  • SHA1

    37c89b71cf5bb4d431e566653e780a4d6741cc2e

  • SHA256

    c420d8c81fe422a551602ccd464875b4c0d09057a5ce55debfdcdd870606e8b0

  • SHA512

    f0f0983637132773b4e0a69e250016e94b43e8dcd9f9ae7aca08e9035c1198e5a77adf9662c308bc167ca3adb0c310aac34edcdc6209c9a70c331b48f6c5f6b4

  • SSDEEP

    12288:cnoKPGei0H5c3by6/603sK62LijxBXFCTsGagakh1II63KpApp8cIL:YoKdWy6y03sK62uBFC0nkhFwDO

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .kcvp

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • payload_url

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

    http://fresherlights.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-lj5qINGbTc 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: 0607Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target

      c420d8c81fe422a551602ccd464875b4c0d09057a5ce55debfdcdd870606e8b0

    • Size

      668KB

    • MD5

      3e8f9787ca3716a9526bd49ba9de2c94

    • SHA1

      37c89b71cf5bb4d431e566653e780a4d6741cc2e

    • SHA256

      c420d8c81fe422a551602ccd464875b4c0d09057a5ce55debfdcdd870606e8b0

    • SHA512

      f0f0983637132773b4e0a69e250016e94b43e8dcd9f9ae7aca08e9035c1198e5a77adf9662c308bc167ca3adb0c310aac34edcdc6209c9a70c331b48f6c5f6b4

    • SSDEEP

      12288:cnoKPGei0H5c3by6/603sK62LijxBXFCTsGagakh1II63KpApp8cIL:YoKdWy6y03sK62uBFC0nkhFwDO

    • 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

    • 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