General

  • Target

    55f780b8f3d131fb0f4c89394e2ec47706bfb90ed17709da50747372132d40cb

  • Size

    1.2MB

  • Sample

    231010-ywyrrsgg91

  • MD5

    5658427f87d9b3f9e57162bb89674fc2

  • SHA1

    710bb69f82dc667af2d0cda9f0ce2ed022e021ae

  • SHA256

    55f780b8f3d131fb0f4c89394e2ec47706bfb90ed17709da50747372132d40cb

  • SHA512

    a0ef9b6e33eb2a5d7226597930434e70afdbedf91ec2c5cbb2e40e27087b33dc03f8d1f33fb0b945127b1ee3272886335aa2255f501dc64254017d6dfe6d3999

  • SSDEEP

    24576:uyNa9O0S+A9duI3+8a66R0IHgRszZUrOEDxQWWMGa:9Na9eVduI3pSg+QqW0

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

      55f780b8f3d131fb0f4c89394e2ec47706bfb90ed17709da50747372132d40cb

    • Size

      1.2MB

    • MD5

      5658427f87d9b3f9e57162bb89674fc2

    • SHA1

      710bb69f82dc667af2d0cda9f0ce2ed022e021ae

    • SHA256

      55f780b8f3d131fb0f4c89394e2ec47706bfb90ed17709da50747372132d40cb

    • SHA512

      a0ef9b6e33eb2a5d7226597930434e70afdbedf91ec2c5cbb2e40e27087b33dc03f8d1f33fb0b945127b1ee3272886335aa2255f501dc64254017d6dfe6d3999

    • SSDEEP

      24576:uyNa9O0S+A9duI3+8a66R0IHgRszZUrOEDxQWWMGa:9Na9eVduI3pSg+QqW0

    • 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.

    • 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