Analysis

  • max time kernel
    152s
  • max time network
    122s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    16-11-2023 13:34

General

  • Target

    5d8340b6290134837984a8bcea62f914d1e8fd9dcaf3f29021477f5a1283251f.exe

  • Size

    244KB

  • MD5

    4137b230bb95d9e8cab423efba2d9fb8

  • SHA1

    998c7fbe1ed9f6e9951241ba6d9b7b42b2a24485

  • SHA256

    5d8340b6290134837984a8bcea62f914d1e8fd9dcaf3f29021477f5a1283251f

  • SHA512

    a1751a39818d2d3c2676fde8c58231d1a482f563754546fca5edb4d7a8b095d423ea97595ef11eed8cdf90324b349524c02a84dd6d9a1d6d6685c8987e95bb49

  • SSDEEP

    3072:jM8XmLvF4vCCgH7vfwI20nWi3gcGkcb7M2aIG4RmxKIBP4Ksikn:wvLvFIgbvfAGDwqcb7MSuQIBZ6

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

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\5d8340b6290134837984a8bcea62f914d1e8fd9dcaf3f29021477f5a1283251f.exe
    "C:\Users\Admin\AppData\Local\Temp\5d8340b6290134837984a8bcea62f914d1e8fd9dcaf3f29021477f5a1283251f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:436
    • C:\Users\Admin\AppData\Local\Temp\5d8340b6290134837984a8bcea62f914d1e8fd9dcaf3f29021477f5a1283251f.exe
      "C:\Users\Admin\AppData\Local\Temp\5d8340b6290134837984a8bcea62f914d1e8fd9dcaf3f29021477f5a1283251f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/436-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

    Filesize

    1024KB

  • memory/436-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/3260-6-0x0000000002D50000-0x0000000002D66000-memory.dmp

    Filesize

    88KB

  • memory/5048-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5048-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5048-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5048-7-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB