General

  • Target

    file.exe

  • Size

    1.5MB

  • Sample

    231023-3l56baha5x

  • MD5

    b56926dee317661eecefff1e8683584f

  • SHA1

    0acec169d35f9dba349c65aa88ea04428bf36047

  • SHA256

    a3e337e452eb2928cb9caa92c95074102edda3634702f82550a3b8fcd7edbd79

  • SHA512

    298a18ae45dcf8de5f451a01c45a652dfd01dead8375cbb253c269f63a513a4bdcc21024b94ccb6ab241a72c607f21a949be0de085df0f1e261e3d5a49f4a8e2

  • SSDEEP

    49152:1RjQL/vs2XQjn2ly7ybR9Ga0SREW37bWc:j8LHs2XQj2lYySM

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

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

kinza

C2

77.91.124.86:19084

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

      1.5MB

    • MD5

      b56926dee317661eecefff1e8683584f

    • SHA1

      0acec169d35f9dba349c65aa88ea04428bf36047

    • SHA256

      a3e337e452eb2928cb9caa92c95074102edda3634702f82550a3b8fcd7edbd79

    • SHA512

      298a18ae45dcf8de5f451a01c45a652dfd01dead8375cbb253c269f63a513a4bdcc21024b94ccb6ab241a72c607f21a949be0de085df0f1e261e3d5a49f4a8e2

    • SSDEEP

      49152:1RjQL/vs2XQjn2ly7ybR9Ga0SREW37bWc:j8LHs2XQj2lYySM

    • 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.

    • Detected google phishing page

    • Glupteba

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

    • Glupteba payload

    • 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

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Sets service image path in registry

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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