Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 23:54

General

  • Target

    1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe

  • Size

    64KB

  • MD5

    385e7b496b00ea29de872509cb29f5be

  • SHA1

    5d944b9957d54698cb0319a3e65362435ef5885b

  • SHA256

    8169d73b40ee6e81a7ab0bae2f3d761102d03877385d0fd2c26f972e9210ada9

  • SHA512

    9fa0973186c1577dea242a0df9b0a23c416da33e7a7f232678669fb0479ca4eec83a0ee21e97c6ce0768e461348740edfdcaefb3324e1572810f493e618c8ba2

  • SSDEEP

    1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIII/IIIIIh:8g585LpPCrQt7F84IIIIIIIIIIIIIIIz

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 2 IoCs
  • Modifies system executable filetype association 2 TTPs 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe
    "C:\Users\Admin\AppData\Local\Temp\1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visiblity of hidden/system files in Explorer
    • Disables RegEdit via registry modification
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:716
    • C:\Windows\spooldj.exe
      "C:\Windows\spooldj.exe" -xInstallOurNiceServicesYes
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:2408
  • C:\Windows\spooldj.exe
    C:\Windows\spooldj.exe -xStartOurNiceServicesYes
    1⤵
    • Modifies WinLogon for persistence
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    PID:3640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\spooldj.exe

    Filesize

    64KB

    MD5

    385e7b496b00ea29de872509cb29f5be

    SHA1

    5d944b9957d54698cb0319a3e65362435ef5885b

    SHA256

    8169d73b40ee6e81a7ab0bae2f3d761102d03877385d0fd2c26f972e9210ada9

    SHA512

    9fa0973186c1577dea242a0df9b0a23c416da33e7a7f232678669fb0479ca4eec83a0ee21e97c6ce0768e461348740edfdcaefb3324e1572810f493e618c8ba2

  • memory/716-54-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-78-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-51-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-43-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-45-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-47-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-49-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-76-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-74-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-41-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-68-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-56-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-72-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/716-70-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-7-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/3640-69-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/3640-42-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/3640-75-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/3640-50-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB