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Analysis

  • max time kernel
    300s
  • max time network
    202s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22/11/2023, 04:49

General

  • Target

    3cac29b31ae8e590843825e3603d4f83e3853662fdb2f0514e97219458aed134.exe

  • Size

    271KB

  • MD5

    31cf506f2d38f705f29959d54eb141fe

  • SHA1

    60e1b40d0c9d3f90d4a244b6dca19d4c232112fe

  • SHA256

    3cac29b31ae8e590843825e3603d4f83e3853662fdb2f0514e97219458aed134

  • SHA512

    399b868a6627c3cfc47dccc597bf2b133bd690a6d30583c4fe6aec1cbf9535933d3da69b6dcda3cd7e6364779f0779b64e4868c1c24da409331949ebf56cbb9d

  • SSDEEP

    3072:X5UE7shZP8MuQDNC3NAr3/1pvili9A9DaBSXYswhunlmmgyP/J9ZDP6cPB:pTsR8rQxcOdJilz9HYVhunFTJi

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\3cac29b31ae8e590843825e3603d4f83e3853662fdb2f0514e97219458aed134.exe
    "C:\Users\Admin\AppData\Local\Temp\3cac29b31ae8e590843825e3603d4f83e3853662fdb2f0514e97219458aed134.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Users\Admin\AppData\Local\Temp\3cac29b31ae8e590843825e3603d4f83e3853662fdb2f0514e97219458aed134.exe
      "C:\Users\Admin\AppData\Local\Temp\3cac29b31ae8e590843825e3603d4f83e3853662fdb2f0514e97219458aed134.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2732-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2732-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2732-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2732-7-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3124-1-0x0000000000A90000-0x0000000000B90000-memory.dmp

    Filesize

    1024KB

  • memory/3124-2-0x0000000000A10000-0x0000000000A19000-memory.dmp

    Filesize

    36KB

  • memory/3276-6-0x00000000008D0000-0x00000000008E6000-memory.dmp

    Filesize

    88KB