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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2024, 22:04

General

  • Target

    e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    e36b5ca136805c9b6ca817be8e864d76

  • SHA1

    c82fc61efe4f53197f8b706abdcbdf30cdfafe1f

  • SHA256

    41431474bc761c28c6d6a1d903b3fb523c8d383032b2d10cf74df0d20229cf3d

  • SHA512

    d35210836168cc3862e1d0717564c078bbac5bd182cf5a8c9465764d6e47345333210329e8b0ac7d7d3a39e967d8da491a7fa655bafb9250d59e092a93366fa5

  • SSDEEP

    24576:5SVjJXq5R8zVifDiUfLSNZy1pWF/qyNGwWv0OT:eJXq5RXuNZSa/zNGwW5T

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Windows\msgms.exe
      "C:\Windows\msgms.exe" \erit "C:\Users\Admin\AppData\Local\Temp\e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe"
      2⤵
      • UAC bypass
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:3992
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msgms.exe

    Filesize

    1.3MB

    MD5

    e36b5ca136805c9b6ca817be8e864d76

    SHA1

    c82fc61efe4f53197f8b706abdcbdf30cdfafe1f

    SHA256

    41431474bc761c28c6d6a1d903b3fb523c8d383032b2d10cf74df0d20229cf3d

    SHA512

    d35210836168cc3862e1d0717564c078bbac5bd182cf5a8c9465764d6e47345333210329e8b0ac7d7d3a39e967d8da491a7fa655bafb9250d59e092a93366fa5

  • C:\Windows\olecstp.dll

    Filesize

    7KB

    MD5

    1dad779c593c4035cb561d169b6be16f

    SHA1

    65a0b1f1ac4370641d14e1ba5ccd876a30cba021

    SHA256

    1270daf11f40457b84a183a0956ccb46433847040ddbd6ee3711785bc1cf8159

    SHA512

    015c0205b626ed92c9e29e7cb09e3efdfd992e119acd30e6070bc63361187280b30241ec1e7da5c02b7f42562c7e2ec836d7355ad459c22880081f4764f3c642

  • C:\Windows\oletac.dll

    Filesize

    33KB

    MD5

    55363ca71ba35507820a94732c84f170

    SHA1

    34a5eba0997b78788604f72099caf2aa309d95fc

    SHA256

    2b7b2093f36bafc75426a18b6b1d939e7c411ffe335474f09448f85ddf8916e9

    SHA512

    2ab927dd0a22431ac245b7ee2e3d10cb49def38daf22712204f0f3b2b6dd3a00c4c331f10bac17b45c9fdaf276bf85c1d9852a5d623d243b886df214315ec13b

  • memory/3992-21-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/3992-25-0x00000000036C0000-0x00000000036CE000-memory.dmp

    Filesize

    56KB

  • memory/3992-28-0x0000000003570000-0x0000000003571000-memory.dmp

    Filesize

    4KB

  • memory/3992-29-0x0000000000400000-0x0000000000555000-memory.dmp

    Filesize

    1.3MB

  • memory/3992-30-0x0000000002360000-0x0000000002368000-memory.dmp

    Filesize

    32KB

  • memory/3992-31-0x00000000036C0000-0x00000000036CE000-memory.dmp

    Filesize

    56KB

  • memory/4988-0-0x0000000000400000-0x0000000000555000-memory.dmp

    Filesize

    1.3MB

  • memory/4988-1-0x0000000000B30000-0x0000000000B31000-memory.dmp

    Filesize

    4KB

  • memory/4988-12-0x0000000000400000-0x0000000000555000-memory.dmp

    Filesize

    1.3MB