General

  • Target

    1a3939bb69663ab638c64e01bd59ab0f.exe

  • Size

    1.2MB

  • Sample

    231010-ld69zaee59

  • MD5

    1a3939bb69663ab638c64e01bd59ab0f

  • SHA1

    4ca7cfe4401c2a59382b9d82ee4223bd62bc290d

  • SHA256

    9bb27c258b3f5721f2ac5dede8b13349177e0dd937a6eaa4e6b22ba8d8045624

  • SHA512

    c51ea941392ddfd8a5fd5a9165bb495127019206212f4a789a2058e09416500d4a7f33b37feedf9203b1e230a83bca35c7916f2f033d330be6530a788ad83e9e

  • SSDEEP

    24576:WyzdrGKsgxmfFbVyy/WRQ3Np76NxNJbkDi8Kq4x6E2X:lJiKsg3fSdp2bbR8sx6E2

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

lutyr

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

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Botnet

SET

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      1a3939bb69663ab638c64e01bd59ab0f.exe

    • Size

      1.2MB

    • MD5

      1a3939bb69663ab638c64e01bd59ab0f

    • SHA1

      4ca7cfe4401c2a59382b9d82ee4223bd62bc290d

    • SHA256

      9bb27c258b3f5721f2ac5dede8b13349177e0dd937a6eaa4e6b22ba8d8045624

    • SHA512

      c51ea941392ddfd8a5fd5a9165bb495127019206212f4a789a2058e09416500d4a7f33b37feedf9203b1e230a83bca35c7916f2f033d330be6530a788ad83e9e

    • SSDEEP

      24576:WyzdrGKsgxmfFbVyy/WRQ3Np76NxNJbkDi8Kq4x6E2X:lJiKsg3fSdp2bbR8sx6E2

    • 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