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Analysis

  • max time kernel
    156s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/04/2023, 17:23

General

  • Target

    206ed1c73eaeb656b871a75016273e8f893b79ad3d9fa7102fe3de0e01aefefe.exe

  • Size

    216KB

  • MD5

    a9c013daef4b72f9cd4be407a3bbdf14

  • SHA1

    ff24239f31994e6b292604703113dd79dd1561f0

  • SHA256

    206ed1c73eaeb656b871a75016273e8f893b79ad3d9fa7102fe3de0e01aefefe

  • SHA512

    c2afa59e6ec9b65d7ba850753a72f376d219d7cf31566545e8e123b73e0719004cf6ba17671427a6b035f2d4cd44b94827698e535d40aae9aa2128019a5c2f72

  • SSDEEP

    3072:TEBYusOtAJMIpLhHApBJHJhe8DFo5qWj50:QHsOtAJNdHiBJHzBF3Wj

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

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\206ed1c73eaeb656b871a75016273e8f893b79ad3d9fa7102fe3de0e01aefefe.exe
    "C:\Users\Admin\AppData\Local\Temp\206ed1c73eaeb656b871a75016273e8f893b79ad3d9fa7102fe3de0e01aefefe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Users\Admin\AppData\Local\Temp\206ed1c73eaeb656b871a75016273e8f893b79ad3d9fa7102fe3de0e01aefefe.exe
      "C:\Users\Admin\AppData\Local\Temp\206ed1c73eaeb656b871a75016273e8f893b79ad3d9fa7102fe3de0e01aefefe.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:5116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1484-135-0x0000000002180000-0x0000000002189000-memory.dmp

    Filesize

    36KB

  • memory/3156-137-0x0000000002190000-0x00000000021A6000-memory.dmp

    Filesize

    88KB

  • memory/5116-134-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5116-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5116-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB