Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 14:40

General

  • Target

    eb8c2a320e4274b0644275f175c11933_JaffaCakes118.exe

  • Size

    118KB

  • MD5

    eb8c2a320e4274b0644275f175c11933

  • SHA1

    1a73da3c9e00cbd5e39248ed8354a0ea39fb2a06

  • SHA256

    2c9dea2f7e34ef446c3e772c82412f327e9388a541fbd93342b7c9afd366b2d5

  • SHA512

    31235d2c08dbb6d492526ce37a7901c57cd622a9fa5c0d20b582c47a6b3110dfd79dedef0ee16dcb011915c3f1b4ac85e81818383452dcd67076d84b4699f7b3

  • SSDEEP

    1536:3GwjUogFr7ebusFJ0jvBL10IcSnrGQ1OyOBDCG3XpYD+vVtXCuKZaF9ECM+yYD7K:3GwArCn8ntntSBD/JDXSuY3C5TD7nK

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb8c2a320e4274b0644275f175c11933_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eb8c2a320e4274b0644275f175c11933_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\system32\HIMYM.DLL,DW
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2788
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\eb8c2a320e4274b0644275f175c11933_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Windows\SysWOW64\HIMYM.DLL

          Filesize

          41KB

          MD5

          289fedb764c9e115b8df15aec100083b

          SHA1

          830252d9adc113fee1dd4c6916c51138f5b2d1e2

          SHA256

          c878cdd27229e93ac23ea0c18386e6b62d6886b224f320d58472e60acc1f0fbe

          SHA512

          c00ff46be81a20be2c464f2de55aff6a348ae60f5801d05efbf88221bf1806b4c07bda300ed6515889f9ad3fd6c3f04a7ecc321f91c136408ed62e2e0f343853

        • memory/2400-0-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/2400-9-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/2704-12-0x00000000001B0000-0x00000000001B3000-memory.dmp

          Filesize

          12KB

        • memory/2704-11-0x0000000010000000-0x0000000010024000-memory.dmp

          Filesize

          144KB

        • memory/2704-14-0x0000000010000000-0x0000000010024000-memory.dmp

          Filesize

          144KB

        • memory/2788-8-0x0000000000190000-0x0000000000193000-memory.dmp

          Filesize

          12KB

        • memory/2788-7-0x0000000010000000-0x0000000010024000-memory.dmp

          Filesize

          144KB