General

  • Target

    file.exe

  • Size

    1.1MB

  • Sample

    231007-jdjskacb45

  • MD5

    bcf0395d2b1b14291a08534ef016b38a

  • SHA1

    e6b9b74763bea377f85dd0a8a920be96a7557f9c

  • SHA256

    cb445127a3a83161be3fe71f9442a84eca8a8b19df0308134651b6e484d6d1fd

  • SHA512

    e63baece957875c2ba1ea3c7df2fb60b6b110ea0607f59ba255421a7ba2a5883cb4e33cd4471d6c760f470405264750a4a8b5399dbd4a7042240f37ff31d8a5b

  • SSDEEP

    24576:HyX1h872C2OThdDKtP6lWUfimDao6GRGtqbbQVL8/CwGY:SL8aCHgtsffiL2VbeKl

Malware Config

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

redline

Botnet

gigant

C2

77.91.124.55:19071

Extracted

Family

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Extracted

Family

redline

Botnet

@ytlogsbot

C2

176.123.4.46:33783

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Targets

    • Target

      file.exe

    • Size

      1.1MB

    • MD5

      bcf0395d2b1b14291a08534ef016b38a

    • SHA1

      e6b9b74763bea377f85dd0a8a920be96a7557f9c

    • SHA256

      cb445127a3a83161be3fe71f9442a84eca8a8b19df0308134651b6e484d6d1fd

    • SHA512

      e63baece957875c2ba1ea3c7df2fb60b6b110ea0607f59ba255421a7ba2a5883cb4e33cd4471d6c760f470405264750a4a8b5399dbd4a7042240f37ff31d8a5b

    • SSDEEP

      24576:HyX1h872C2OThdDKtP6lWUfimDao6GRGtqbbQVL8/CwGY:SL8aCHgtsffiL2VbeKl

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

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

    • Detect Mystic stealer payload

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Windows security modification

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks