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General

  • Target

    047591ca2ccc07bd76829f889993e0be9a945791de2d97211bd57a5b63ae1fde

  • Size

    217KB

  • Sample

    221017-v7465scfgm

  • MD5

    08e981aad501e2f56c900456ab9c0ae9

  • SHA1

    e212cc704088b4578e94b81048f351815a65571e

  • SHA256

    047591ca2ccc07bd76829f889993e0be9a945791de2d97211bd57a5b63ae1fde

  • SHA512

    db6c0a34daefdc368873f70868130885a231bfddf6e7767ab05c2164abb06742c59dcab25fbd0e1ad63cce182714f3574d1d7ef5d9062b5be3a76baaaa607d1f

  • SSDEEP

    3072:q5AdfSkoe/iGHRfgEeZ1L+3myW+8uCZVsg1wmuERQqsvmg8gksvBOv3:qudpsKR4EcL+2yW31wmuLvn8Vsvgv

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tury

  • offline_id

    Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1

  • payload_url

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

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

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

vidar

Version

55

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes
  • profile_id

    517

Extracted

Family

redline

C2

45.15.156.37:110

Attributes
  • auth_value

    5b663effac3b92fe687f0181631eeff2

Targets

    • Target

      047591ca2ccc07bd76829f889993e0be9a945791de2d97211bd57a5b63ae1fde

    • Size

      217KB

    • MD5

      08e981aad501e2f56c900456ab9c0ae9

    • SHA1

      e212cc704088b4578e94b81048f351815a65571e

    • SHA256

      047591ca2ccc07bd76829f889993e0be9a945791de2d97211bd57a5b63ae1fde

    • SHA512

      db6c0a34daefdc368873f70868130885a231bfddf6e7767ab05c2164abb06742c59dcab25fbd0e1ad63cce182714f3574d1d7ef5d9062b5be3a76baaaa607d1f

    • SSDEEP

      3072:q5AdfSkoe/iGHRfgEeZ1L+3myW+8uCZVsg1wmuERQqsvmg8gksvBOv3:qudpsKR4EcL+2yW31wmuLvn8Vsvgv

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Deletes itself

    • 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.

    • Uses the VBS compiler for execution

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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