General

  • Target

    file.exe

  • Size

    1.2MB

  • Sample

    231010-rc9atsfh76

  • MD5

    9da1cecf7697d9fea854a01e67034695

  • SHA1

    a36bdef6961eccac9d3d7913e5873ecc05cfa8a4

  • SHA256

    7c135dbebf3ef7b2c6ee89bdf72f572a8091491bc17d44a39e379cf6bcfbc52d

  • SHA512

    c2b49dcd6329600d2eacee4543308876f938baca08a6817f883de058a298d05a99de49496218ee3c36f01dd4f3ce5f75e4a3b2f6b3ff9a81ba69601f832f31f7

  • SSDEEP

    24576:Zyb5w5Vp9qC+EbFyhYAMWJ0zQl2s8YegazU7YDCk:MSp9qpKAfqzQlJSHzU0DC

Malware Config

Extracted

Family

redline

Botnet

magia

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

lutyr

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      file.exe

    • Size

      1.2MB

    • MD5

      9da1cecf7697d9fea854a01e67034695

    • SHA1

      a36bdef6961eccac9d3d7913e5873ecc05cfa8a4

    • SHA256

      7c135dbebf3ef7b2c6ee89bdf72f572a8091491bc17d44a39e379cf6bcfbc52d

    • SHA512

      c2b49dcd6329600d2eacee4543308876f938baca08a6817f883de058a298d05a99de49496218ee3c36f01dd4f3ce5f75e4a3b2f6b3ff9a81ba69601f832f31f7

    • SSDEEP

      24576:Zyb5w5Vp9qC+EbFyhYAMWJ0zQl2s8YegazU7YDCk:MSp9qpKAfqzQlJSHzU0DC

    • 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.

    • Detects Healer an antivirus disabler dropper

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks