Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 01:39

General

  • Target

    8c7d811fbbf83e6dcb7a717a8b3cc973_JaffaCakes118.exe

  • Size

    3.0MB

  • MD5

    8c7d811fbbf83e6dcb7a717a8b3cc973

  • SHA1

    9e03796094a40893c397cfe55067235f49984af0

  • SHA256

    20880bb6f71040cecbb2d9a79c3071f5fea80c50d35cbcf9f0e5783461adc893

  • SHA512

    cbc7f005613349ef0a646051d9263982ad07a74405ae1a4b008327ebf1ecd93b93a30314ed31c7e0d786f9908633305f9032f75d6aba93d894f201a037601d16

  • SSDEEP

    49152:20PbK4oFm2qZqN6Ck6kTxCTcHHjNIbLRVm54TUxTcHHjNIbL:209ZqUCFM5jeBVUIje

Score
10/10

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c7d811fbbf83e6dcb7a717a8b3cc973_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8c7d811fbbf83e6dcb7a717a8b3cc973_JaffaCakes118.exe"
    1⤵
    • UAC bypass
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:848
    • C:\Windows\wulmrcma\jkiaaaa.exe
      C:\Windows\wulmrcma\jkiaaaa.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:2924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 568
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2628

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Config.ini

          Filesize

          1KB

          MD5

          d2daea27ed35c95855500b083fbb9401

          SHA1

          6b46107eca4365f90a3f2e86fbe89fc92dd8e575

          SHA256

          b455afa508f6e005c3111dfd599348e1b64d7a2215e3970eb888dfd740640696

          SHA512

          663c79911de565f8a3eae1ff7a340a1c564d8b2bd6e89df47a5c6d7dc2b707077a1c21304338ac908c7dfb21d90e09764141fd927d985329f059cbe9665515c6

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-330940541-141609230-1670313778-1000\3310a4fa6cb9c60504498d7eea986fc2_4456596e-0528-4680-8940-5edc26c0ff50

          Filesize

          50B

          MD5

          45218adff3ea5bde8a8f61987f0f458b

          SHA1

          cf7fffa410795cc2f7703755f0acd17b51a44ad7

          SHA256

          f95361b82464704675f559b13c007c9567e5914984042f537122383e747194d4

          SHA512

          8442cac48931075ec5bd31ea82faffc4f64d7b6845d5c477d06fc3d7eefeac1fa366b6880a85709a520a343b5dd3771e69bc4b7482cde50e69e04215927a2018

        • \Windows\wulmrcma\jkiaaaa.exe

          Filesize

          1.2MB

          MD5

          5243fa11db5e0f7ab6bdbc4243fedd2a

          SHA1

          22709d5eb3b82412220d94fcbc2086230b578edc

          SHA256

          4b59b435e6be9d2c8d15237f285e5d163b5a8aae0fd07378fa85f38237c23d8b

          SHA512

          23cb4e45d5293c407dfc4f3b0a9b2874608d7efe076606ab06194114f6571902b4336ce07f80ac98f0d12221fdb2261fd35b35bbc02fe614fc20c3544e853ebd