Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21/09/2023, 18:06

General

  • Target

    0aa0146c720c3018a04e4cbeb1a2da2f5609dc8de9ecd8657c94faea5ef06fe2.exe

  • Size

    293KB

  • MD5

    24f75de0b3732abb0cbec8db81b453f8

  • SHA1

    ceb92e17967e18352d67b47ca6b4c1c5b9d80218

  • SHA256

    0aa0146c720c3018a04e4cbeb1a2da2f5609dc8de9ecd8657c94faea5ef06fe2

  • SHA512

    7524c41886f4a81b5d4ac513ca7dba935614442bc5398b11fda17436c682fd570af04895801ba6decae28d0bf3c07aac0ed17040ccc683731216c7b86a346e48

  • SSDEEP

    3072:zpMX3pzSo/iplyxkZB7i1aPgqHmqOB1pM/1wm9Sd5qL6uBVULZL1Dgg85ve:FI3ZSLCxQpPgDsaSaqWOVULZSg8F

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 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\0aa0146c720c3018a04e4cbeb1a2da2f5609dc8de9ecd8657c94faea5ef06fe2.exe
    "C:\Users\Admin\AppData\Local\Temp\0aa0146c720c3018a04e4cbeb1a2da2f5609dc8de9ecd8657c94faea5ef06fe2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Users\Admin\AppData\Local\Temp\0aa0146c720c3018a04e4cbeb1a2da2f5609dc8de9ecd8657c94faea5ef06fe2.exe
      "C:\Users\Admin\AppData\Local\Temp\0aa0146c720c3018a04e4cbeb1a2da2f5609dc8de9ecd8657c94faea5ef06fe2.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2820

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2820-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2820-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2820-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3232-5-0x0000000000B10000-0x0000000000B26000-memory.dmp

          Filesize

          88KB

        • memory/4944-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

          Filesize

          1024KB

        • memory/4944-2-0x00000000001F0000-0x00000000001F9000-memory.dmp

          Filesize

          36KB