Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/09/2023, 12:36

General

  • Target

    1c0e5446542a67e11bd936b1a3b8e99680445b535cd2de6b72f86fa35a7a235f.exe

  • Size

    212KB

  • MD5

    8dc7dabaeaee8c05889b817431a4f77a

  • SHA1

    4bd17e75af9b4b797ad7b3ccf885823cfb006ced

  • SHA256

    1c0e5446542a67e11bd936b1a3b8e99680445b535cd2de6b72f86fa35a7a235f

  • SHA512

    3e543651fac826fae517aed5cca4ca4444e8838fc7dda3adcafbd0c3512c4299ed144ace50bcd5e5fccaad791e7abeae439bafbfa485bb1c03d9910bd3621643

  • SSDEEP

    3072:VXyT/bYKlAp8GS5Ep1ek+2pUkMtwi4Uw5F7wqFzYXk:Ro/M0Ap65wl1gfA7VG

Malware Config

Extracted

Family

smokeloader

Botnet

up4

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-file0.com/

http://file-file-file1.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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: MapViewOfSection 1 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\1c0e5446542a67e11bd936b1a3b8e99680445b535cd2de6b72f86fa35a7a235f.exe
    "C:\Users\Admin\AppData\Local\Temp\1c0e5446542a67e11bd936b1a3b8e99680445b535cd2de6b72f86fa35a7a235f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Users\Admin\AppData\Local\Temp\1c0e5446542a67e11bd936b1a3b8e99680445b535cd2de6b72f86fa35a7a235f.exe
      "C:\Users\Admin\AppData\Local\Temp\1c0e5446542a67e11bd936b1a3b8e99680445b535cd2de6b72f86fa35a7a235f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/212-2-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/212-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/212-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3136-5-0x00000000031C0000-0x00000000031D6000-memory.dmp

    Filesize

    88KB

  • memory/4916-0-0x0000000002190000-0x00000000021A5000-memory.dmp

    Filesize

    84KB

  • memory/4916-1-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/4916-3-0x0000000002190000-0x00000000021A5000-memory.dmp

    Filesize

    84KB