Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 23:29

General

  • Target

    file.exe

  • Size

    191KB

  • MD5

    ab648190cb6bbc67d78f079003d950d7

  • SHA1

    578eca1b1fe4a67d89fe3af6855d95d4b9abc595

  • SHA256

    186d6991ab941b194ad8a2cd5d25e93a4764ee551e00551c08330ae979fd9aa5

  • SHA512

    13a60ed8fb12927524c57f3f81d4f610bdb669048e1c01a7792e41ab4ef2906bf725d78b57c833172b92f457172650ace5358a2a1a47560ee9b46ba0a2e8e0bb

  • SSDEEP

    3072:BB9CblbKYcT7I5CEzOa4TO2Dcddgtr/zfA7HvRs9E3AZxpR/iOqIoGGA00e:JCZcTKOYgtPfWivpIOyA0D

Malware Config

Signatures

  • Detects Smokeloader packer 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1528
  • C:\Users\Admin\AppData\Roaming\scdvbdg
    C:\Users\Admin\AppData\Roaming\scdvbdg
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Users\Admin\AppData\Roaming\scdvbdg
      C:\Users\Admin\AppData\Roaming\scdvbdg
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\scdvbdg

    Filesize

    191KB

    MD5

    ab648190cb6bbc67d78f079003d950d7

    SHA1

    578eca1b1fe4a67d89fe3af6855d95d4b9abc595

    SHA256

    186d6991ab941b194ad8a2cd5d25e93a4764ee551e00551c08330ae979fd9aa5

    SHA512

    13a60ed8fb12927524c57f3f81d4f610bdb669048e1c01a7792e41ab4ef2906bf725d78b57c833172b92f457172650ace5358a2a1a47560ee9b46ba0a2e8e0bb

  • C:\Users\Admin\AppData\Roaming\scdvbdg

    Filesize

    191KB

    MD5

    ab648190cb6bbc67d78f079003d950d7

    SHA1

    578eca1b1fe4a67d89fe3af6855d95d4b9abc595

    SHA256

    186d6991ab941b194ad8a2cd5d25e93a4764ee551e00551c08330ae979fd9aa5

    SHA512

    13a60ed8fb12927524c57f3f81d4f610bdb669048e1c01a7792e41ab4ef2906bf725d78b57c833172b92f457172650ace5358a2a1a47560ee9b46ba0a2e8e0bb

  • C:\Users\Admin\AppData\Roaming\scdvbdg

    Filesize

    191KB

    MD5

    ab648190cb6bbc67d78f079003d950d7

    SHA1

    578eca1b1fe4a67d89fe3af6855d95d4b9abc595

    SHA256

    186d6991ab941b194ad8a2cd5d25e93a4764ee551e00551c08330ae979fd9aa5

    SHA512

    13a60ed8fb12927524c57f3f81d4f610bdb669048e1c01a7792e41ab4ef2906bf725d78b57c833172b92f457172650ace5358a2a1a47560ee9b46ba0a2e8e0bb

  • memory/1528-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1528-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1528-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1864-144-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1864-145-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3900-143-0x0000000000628000-0x0000000000638000-memory.dmp

    Filesize

    64KB

  • memory/4384-135-0x00000000005B0000-0x00000000005B9000-memory.dmp

    Filesize

    36KB

  • memory/4384-134-0x0000000000729000-0x000000000073A000-memory.dmp

    Filesize

    68KB