General

  • Target

    f9bc3ddfb1e5e253dac94c91d2d678ad2f1c61537207e71fc04d42af28b04520

  • Size

    15.1MB

  • Sample

    231010-tmgpnsgd76

  • MD5

    559ca2307ada0f6652973f8154e17245

  • SHA1

    01f7855425d14d3db3d66963b7ae68ca1a9f05e6

  • SHA256

    f9bc3ddfb1e5e253dac94c91d2d678ad2f1c61537207e71fc04d42af28b04520

  • SHA512

    3e1b0a2cdaa34ef98c8b19f95dff57df03ab02a77265319eba8ff6e472c836c576ce2b604f73d678d4a5469af24c5f8fdebf181447c23dc054da12de91495c34

  • SSDEEP

    196608:TuGhQczMgBJZ0Jy+neXUjzhmH/hW9vYdlBrm3x4IjreA:TuG+rGXUxU5NZrma0

Malware Config

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

      f9bc3ddfb1e5e253dac94c91d2d678ad2f1c61537207e71fc04d42af28b04520

    • Size

      15.1MB

    • MD5

      559ca2307ada0f6652973f8154e17245

    • SHA1

      01f7855425d14d3db3d66963b7ae68ca1a9f05e6

    • SHA256

      f9bc3ddfb1e5e253dac94c91d2d678ad2f1c61537207e71fc04d42af28b04520

    • SHA512

      3e1b0a2cdaa34ef98c8b19f95dff57df03ab02a77265319eba8ff6e472c836c576ce2b604f73d678d4a5469af24c5f8fdebf181447c23dc054da12de91495c34

    • SSDEEP

      196608:TuGhQczMgBJZ0Jy+neXUjzhmH/hW9vYdlBrm3x4IjreA:TuG+rGXUxU5NZrma0

    • Glupteba

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

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • Executes dropped EXE

    • 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.

    • 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