Analysis

  • max time kernel
    116s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 07:59

General

  • Target

    3606f906b01220f2dcfda65504bc7ce806a9f984c7067e5022aa872eaa35a39b.exe

  • Size

    63KB

  • MD5

    4d4cc6a0188e64c16c384e8de3711b6f

  • SHA1

    bd13be96a19831f849fbd6cc4bca3b8fd2c0e113

  • SHA256

    3606f906b01220f2dcfda65504bc7ce806a9f984c7067e5022aa872eaa35a39b

  • SHA512

    c33bb2dd61feff2b436b984597dc68cf34aee9ae26f1d95dd0c0bc4c3101192a9efdf2d6f63f39cd283db57ceb93f464f358c4b472d8783f1973a0d163944896

  • SSDEEP

    1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIIIDIIIIIb:8g585LpPCrQt7F84IIIIIIIIIIIIIIIp

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 38 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\3606f906b01220f2dcfda65504bc7ce806a9f984c7067e5022aa872eaa35a39b.exe
    "C:\Users\Admin\AppData\Local\Temp\3606f906b01220f2dcfda65504bc7ce806a9f984c7067e5022aa872eaa35a39b.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:5088
    • C:\Windows\spoolfr.exe
      "C:\Windows\spoolfr.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:1320
  • C:\Windows\spoolfr.exe
    C:\Windows\spoolfr.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:3212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\spoolfr.exe

    Filesize

    63KB

    MD5

    4d4cc6a0188e64c16c384e8de3711b6f

    SHA1

    bd13be96a19831f849fbd6cc4bca3b8fd2c0e113

    SHA256

    3606f906b01220f2dcfda65504bc7ce806a9f984c7067e5022aa872eaa35a39b

    SHA512

    c33bb2dd61feff2b436b984597dc68cf34aee9ae26f1d95dd0c0bc4c3101192a9efdf2d6f63f39cd283db57ceb93f464f358c4b472d8783f1973a0d163944896

  • memory/1320-7-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/3212-69-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/3212-48-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/3212-40-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-49-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-45-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-47-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-43-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-41-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-52-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-68-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-39-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-70-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-72-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5088-74-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB