Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    13-07-2024 03:50

General

  • Target

    401567209be73eec809c43fee94bad09_JaffaCakes118.exe

  • Size

    168KB

  • MD5

    401567209be73eec809c43fee94bad09

  • SHA1

    8e7fb584f8f4e36c7cecb3fa6ab6464880098af2

  • SHA256

    d96e41e128a6bb1bf0d70cc04c7e415db67bbc0f239f6084d5a98556fc3c3bfa

  • SHA512

    fa27ad713031fdc3a0470a3a6debaee89fb43024af28d756c22115827e28415a9c30c0662e6b08f66860aff45bc626a16515aa0f7b1b6f4bac67bdb83608cb58

  • SSDEEP

    3072:J/39g5/lBmH6/sizOm3DwFIbZEExG7hCkBlclpoUt9+:J/NW31sizOSDQmccP+

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 6 IoCs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\401567209be73eec809c43fee94bad09_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\401567209be73eec809c43fee94bad09_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\401567209be73eec809c43fee94bad09_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\401567209be73eec809c43fee94bad09_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
      2⤵
        PID:2712
      • C:\Users\Admin\AppData\Local\Temp\401567209be73eec809c43fee94bad09_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\401567209be73eec809c43fee94bad09_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
        2⤵
          PID:2292

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\B4D9.1A1

        Filesize

        600B

        MD5

        c9d22990b07ee6889e2b2b2a7535b32a

        SHA1

        dfd5065dae1dabdbeeb063e5ad0a6eeea48678ac

        SHA256

        4aaea8d98c9af27f4bf44db6cdf019ef7b4eaeb612361c1cdbc1e60deaf86f59

        SHA512

        9b79ebd5dc5527e7f580fd50056da9f305d1fd9b8a6d17c9ca3323eac13773acfe60567239a74c4bf1f6c59d30f59591fb4661fc49087915d9cabfbf93045de3

      • C:\Users\Admin\AppData\Roaming\B4D9.1A1

        Filesize

        1KB

        MD5

        86440970298a8beee00ec852386ad26b

        SHA1

        9f71a87b051f624f360c4431d70f154786aefe22

        SHA256

        0ac631a7b2b3a2c5322dd5697e9c9b78615bfcd13715cc5a1b090967dfd46834

        SHA512

        43c23a0b92577b1f9b5ee2652120353d66672133143ff32cd8a83a126d2ce9c4b54205ec5263a10c31c65446ce9b960ad7c1c41359e33ab26e6671cfb40d8144

      • C:\Users\Admin\AppData\Roaming\B4D9.1A1

        Filesize

        996B

        MD5

        c9fd27c7c6113521141946af73d8a1cb

        SHA1

        892a9044ad634a5d30cc72fe0cfe55064d0f6b4d

        SHA256

        809488b7035b9f1f27e96f7385c5d58c9da3af43b62c8470101a8e75348bb7c0

        SHA512

        2ef6ad65d651908ea431e169ec735e9809b277fcf76fff2afe84d04b8f6c4ba0a52d7e8d5f378173786d85d8abca7f4096f14940c05fbf9a2fe66cce27535d4b

      • memory/2292-74-0x0000000000615000-0x0000000000630000-memory.dmp

        Filesize

        108KB

      • memory/2292-73-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/2712-4-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/2820-1-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/2820-71-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/2820-172-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/2820-177-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB