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Analysis

  • max time kernel
    143s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 16:33

General

  • Target

    d8f2a7d4fb066f89ff7806603ea0192a_JaffaCakes118.exe

  • Size

    68KB

  • MD5

    d8f2a7d4fb066f89ff7806603ea0192a

  • SHA1

    f75e9b15ae4c7ab7160cc9e3ae668bcf545af03a

  • SHA256

    fa8405c6d4f14f21f1e90a918d7fc1dea5fc151c183631751f32146c11198974

  • SHA512

    6ffaea68d23798bebed122cbc4334c1db1c0cddf3e07beb7a641f1ba91197c2110c7d2f46bb5d57d9db8828230020da71cd7a9df3a6d04514b02fd532cfc2631

  • SSDEEP

    768:BCB8S+OR7dOahyoHokBtqN74W7bZZmYb9PyzcjRlYlwa6NVdkPnJJMIzDV:BHJaAoHoc2x7bZoYBAcQlwJdM3

Malware Config

Signatures

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • RunningRat payload 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8f2a7d4fb066f89ff7806603ea0192a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d8f2a7d4fb066f89ff7806603ea0192a_JaffaCakes118.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Drops file in System32 directory
    PID:1620
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
    1⤵
      PID:780
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2424
      • C:\Windows\SysWOW64\SRDSL.exe
        C:\Windows\system32\SRDSL.exe "c:\windows\system32\240651468.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2496
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4540

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\240651468.dll

        Filesize

        37KB

        MD5

        60956db39a7d308459f1758f833d7abf

        SHA1

        68209fc8a56f3d6c8280369f6ce6f52b9d2cf7a9

        SHA256

        34b0bc8fa7ceeafa8589a04216b7728c0fdfacabe5fad0856f314b9ea2475f51

        SHA512

        0b35a2cc08da57218bfa134d253ed0773533ba18fdb2552b69692b935ee27c20b8fca5ef94d7f5607a116d375dfac5d3a15a43497d5d19ac2f7778f43eebd834

      • C:\Windows\SysWOW64\SRDSL.exe

        Filesize

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/1620-0-0x0000000010000000-0x000000001000F000-memory.dmp

        Filesize

        60KB

      • memory/1620-8-0x0000000002220000-0x000000000222D000-memory.dmp

        Filesize

        52KB