Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2023, 07:31

General

  • Target

    c8de9d601eb2b1c2682dae1ade2c2aeb.exe

  • Size

    173KB

  • MD5

    c8de9d601eb2b1c2682dae1ade2c2aeb

  • SHA1

    1d1637a7aed719eb0a39c8d68d4fa3a50b771b26

  • SHA256

    3459b35320bc3edf6911ac3dcc837a47ed7536c40b9ed06c7e3ec1b78ef89e1e

  • SHA512

    8bce1b2aecf934c1905d98f68be16cbb7ae969bf8a0aee4827d30eb9f6e2de47b14b3731c2ae4dc8d9ede73413c233347b614894a6d3d03a20a9de70e271dfab

  • SSDEEP

    3072:uVsBUgUA0uAa3M3DTnMeLf4rGVwaQpYu1RIuMnBm/hVOndJB:/Bp2p3DbMAQrkXQ2Wt9/hEdJ

Malware Config

Extracted

Family

smokeloader

Botnet

lab

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.

  • 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 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\c8de9d601eb2b1c2682dae1ade2c2aeb.exe
    "C:\Users\Admin\AppData\Local\Temp\c8de9d601eb2b1c2682dae1ade2c2aeb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Users\Admin\AppData\Local\Temp\c8de9d601eb2b1c2682dae1ade2c2aeb.exe
      "C:\Users\Admin\AppData\Local\Temp\c8de9d601eb2b1c2682dae1ade2c2aeb.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4556

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3144-137-0x0000000000D70000-0x0000000000D86000-memory.dmp

          Filesize

          88KB

        • memory/4556-134-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/4556-136-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/4556-138-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/5064-135-0x00000000021E0000-0x00000000021E9000-memory.dmp

          Filesize

          36KB