Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 03:29

General

  • Target

    d0fb5d03b7a8b3f4a567c6c2bfc23821_JaffaCakes118.exe

  • Size

    365KB

  • MD5

    d0fb5d03b7a8b3f4a567c6c2bfc23821

  • SHA1

    c41debb0112bf203f813af4f0ba6efdf62b8c6d2

  • SHA256

    2788b1f9ad4c0a12d1e7f5604803ed9939e4d21442a6ef652adf4f6ed8568002

  • SHA512

    f2796d06f67ad006ee0002f6e12205d2577b4f5a4c72ab68ac72799888206590f93dbe52ecd021a75f55b97a5c188df3b974be620dc78f8ac012e8c063ce9065

  • SSDEEP

    6144:aF9vx0NXgEJL8kTvI/qFUmZQab7T5kaRJMggJEEVlRbkSD+WyWIaNmp:aF9vC+EJVTU5OQdaRag4ESluSDj3q

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0fb5d03b7a8b3f4a567c6c2bfc23821_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d0fb5d03b7a8b3f4a567c6c2bfc23821_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\ProgramData\bH21922OlAnL21922\bH21922OlAnL21922.exe
      "C:\ProgramData\bH21922OlAnL21922\bH21922OlAnL21922.exe" "C:\Users\Admin\AppData\Local\Temp\d0fb5d03b7a8b3f4a567c6c2bfc23821_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\bH21922OlAnL21922\bH21922OlAnL21922

    Filesize

    208B

    MD5

    653f23afcf61453fb0e45e5e2cff270d

    SHA1

    01d28af00cfa942e2184a3a096e004ddbb8bfc3e

    SHA256

    94dfc4726aaf82be7701cb4b4fb875d6bbcc93db74d0b59b8e2678f7bbb97e86

    SHA512

    c238b9b473b7cabea1d1e94d42b4d3a3dabbf8d9b0dbdc5f35db5e536f08b624c00d7bd0dd078fd16cf136a5c6e0d2d289cde3bcf962df2103234021445df88c

  • \ProgramData\bH21922OlAnL21922\bH21922OlAnL21922.exe

    Filesize

    365KB

    MD5

    072fbd1088f84fb7ecad7679f0d37e8d

    SHA1

    96625c5f1309836fff35675b8c60f727d6411ddd

    SHA256

    57917667367c28d6c7f92042e72dd574eedb6cbd22ca36387fc8d5377a878649

    SHA512

    5151bee28f234105180cc95ce6bd12bde4dedb56fc1377539575e48b840f8b3d0666584f0b636ca8bc8f82f27133fe162d07fa680e5c3ec455a57d74bec0f0c8

  • memory/2152-38-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2152-46-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2512-0-0x00000000004CE000-0x00000000004CF000-memory.dmp

    Filesize

    4KB

  • memory/2512-2-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2512-1-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2512-4-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2512-3-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2512-13-0x00000000004CE000-0x00000000004CF000-memory.dmp

    Filesize

    4KB

  • memory/2512-14-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2512-40-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB