General

  • Target

    f21f61cac53016eda7e0bee3cce91155.bin

  • Size

    1.1MB

  • Sample

    231011-c7j7vsca75

  • MD5

    486febe332b87fe5b89551c6b955d9af

  • SHA1

    2c2c41c20a11b4cee587ed125b4f073f44c02f2b

  • SHA256

    a01d6a84f7cce0c4418f8b80740cba5ebe527d733d938273b7434e6cda3913b2

  • SHA512

    9d7d2271d25b63445ac8d424d08a76f989b440194e0832b96ed2a83127f795a952b15df08f249dd824a74d30239a0f4aa3e37d9d5310b47a706f0c8a8b6b5d54

  • SSDEEP

    24576:/0FmZDWjrGddHR/RrG+g9gXygTv3wrT/6X6j4tRe/0jT1jLblcVP0NrwFnK5:/T1wG5Rw9c7v3WTiqjWTlvKp0VwFK5

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

redline

Botnet

breha

C2

77.91.124.55:19071

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

kukish

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

Extracted

Family

redline

Botnet

6012068394_99

C2

https://pastebin.com/raw/8baCJyMF

Targets

    • Target

      5fbdeefb18036299ebbba9b85f53b59a1254ea5c109d684ea76a271816b4fdd1.exe

    • Size

      1.1MB

    • MD5

      f21f61cac53016eda7e0bee3cce91155

    • SHA1

      1be4eeda0c0f3a323caea5bd201897792253fcbc

    • SHA256

      5fbdeefb18036299ebbba9b85f53b59a1254ea5c109d684ea76a271816b4fdd1

    • SHA512

      91dc4ec92f7351b9762cb6cfaf3a5d671e3048f7a54d288e1e955b9a6ef2ced4f3614416b99101d92949c05eadf54fb0757b1764c4ebefa8c3c8258573209ae1

    • SSDEEP

      24576:IyG64D1lIyV0gAtJehBlP6VgKhQ6wa+9/xrrBIq0h:PG64D1lIg0gAtJvVgKhQ6w/DrBI

    • 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