General

  • Target

    file

  • Size

    1.2MB

  • Sample

    231010-va5fmsef21

  • MD5

    f39617d2b348ed7f7cbec3ffd593dc8c

  • SHA1

    87a48c404b577a3d8e27ee7af0c3db9cd91eeb1c

  • SHA256

    a5587fc84664441f27f306ed4895ae58f9dacf02d246abe45ac3c8dc78767879

  • SHA512

    dd316cc24b6b0d08b95ad6357ba459ba8bec5c8bdbd5d059938857037cd43e759b8f8f143ed308e62ac97137bffd5168096cca78683970f9faeb9843b9a56eda

  • SSDEEP

    24576:IylZUAPnYhhb1M/6Z89UayjzhrfJogRZ5jKNv5kBccpBwRfTn:PfZg8Pyf0YzKIecpYfT

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

    • Size

      1.2MB

    • MD5

      f39617d2b348ed7f7cbec3ffd593dc8c

    • SHA1

      87a48c404b577a3d8e27ee7af0c3db9cd91eeb1c

    • SHA256

      a5587fc84664441f27f306ed4895ae58f9dacf02d246abe45ac3c8dc78767879

    • SHA512

      dd316cc24b6b0d08b95ad6357ba459ba8bec5c8bdbd5d059938857037cd43e759b8f8f143ed308e62ac97137bffd5168096cca78683970f9faeb9843b9a56eda

    • SSDEEP

      24576:IylZUAPnYhhb1M/6Z89UayjzhrfJogRZ5jKNv5kBccpBwRfTn:PfZg8Pyf0YzKIecpYfT

    • 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.

    • Downloads MZ/PE file

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks