Analysis

  • max time kernel
    136s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 08:34

General

  • Target

    8a8d0a23a501737d2ab364d045e37548_JaffaCakes118.exe

  • Size

    172KB

  • MD5

    8a8d0a23a501737d2ab364d045e37548

  • SHA1

    10644e77cc232104cb2eb1950b348193bc96daaa

  • SHA256

    cd4573d8a04e00fa2daf15ccdb1c78a5923d44939e570e889ec118a1e36b207f

  • SHA512

    f37f7eb7950e6001ee9eb53a0532a9b50dffc69e18f399f58d1cc7df4fe8115d602caa7fc36e7740edc28f2c5cb766b9c5e26cd6a1e2469f295b1a1d10a288b1

  • SSDEEP

    3072:VtDulZKksYzZjDDeqCe5ToU21kkH2ip0KuPk2afiMpltkrkbtNLWGtge0L:V6KksgrIU2ykH2ipsPnafFlerkb3LrtO

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modiloader family
  • ModiLoader Second Stage 3 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a8d0a23a501737d2ab364d045e37548_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8a8d0a23a501737d2ab364d045e37548_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\server.exe
      "C:\Windows\server.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:224
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:2340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\server.exe

      Filesize

      172KB

      MD5

      8a8d0a23a501737d2ab364d045e37548

      SHA1

      10644e77cc232104cb2eb1950b348193bc96daaa

      SHA256

      cd4573d8a04e00fa2daf15ccdb1c78a5923d44939e570e889ec118a1e36b207f

      SHA512

      f37f7eb7950e6001ee9eb53a0532a9b50dffc69e18f399f58d1cc7df4fe8115d602caa7fc36e7740edc28f2c5cb766b9c5e26cd6a1e2469f295b1a1d10a288b1

    • memory/224-42-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/224-36-0x0000000010410000-0x0000000010449000-memory.dmp

      Filesize

      228KB

    • memory/4928-34-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB