Analysis

  • max time kernel
    169s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/04/2024, 14:13

General

  • Target

    ed9c1b185546827c6c5ba251a6d20744_JaffaCakes118.exe

  • Size

    428KB

  • MD5

    ed9c1b185546827c6c5ba251a6d20744

  • SHA1

    0e0308406af1c95dd81c4e9923bb8c07d435272f

  • SHA256

    19bd064d324ae9f100b794b0ad608e6a693e8e98572778987b11c3c0d49fa2f4

  • SHA512

    f1508ff664fb3fdecae29c0d7563dc500d54371f0c41b03c12c07e9ee2355efdbef40824a324dd2b6c47401043abf34fe7e4459a6230adc857a6662d5300fa8d

  • SSDEEP

    12288:h34qJnXzo4Av/xbCIX7MiEP7rH0PlXEF6my9:h34knXz+b9X7ps7ItXVm0

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 5 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed9c1b185546827c6c5ba251a6d20744_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ed9c1b185546827c6c5ba251a6d20744_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Users\Admin\AppData\Local\Temp\5hEQp4ivjxP8KLB.exe
      C:\Users\Admin\AppData\Local\Temp\5hEQp4ivjxP8KLB.exe
      2⤵
      • Executes dropped EXE
      PID:2928
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2436

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\CTS.exe

          Filesize

          59KB

          MD5

          5efd390d5f95c8191f5ac33c4db4b143

          SHA1

          42d81b118815361daa3007f1a40f1576e9a9e0bc

          SHA256

          6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

          SHA512

          720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

        • \Users\Admin\AppData\Local\Temp\5hEQp4ivjxP8KLB.exe

          Filesize

          369KB

          MD5

          c13927f8373c24ad2cab29a2df464993

          SHA1

          3b6e6bdf5413bde06c053756ad5de9c3c45bd46c

          SHA256

          e149002ba2f0a609d923ad553c1471d4988f18c64aaa28a708b7d5bc226bcb8a

          SHA512

          976d0ab66784eb59c81d795e87d3064b28692fd2bf39ccdd608b6cf63aae858a1e50380a62f67ea45d0019e39c1999b0657a7638539590b0e7f684829ebd937a

        • memory/2436-16-0x00000000013A0000-0x00000000013B7000-memory.dmp

          Filesize

          92KB

        • memory/2500-0-0x0000000000DD0000-0x0000000000DE7000-memory.dmp

          Filesize

          92KB

        • memory/2500-13-0x00000000002C0000-0x00000000002D7000-memory.dmp

          Filesize

          92KB

        • memory/2500-12-0x0000000000DD0000-0x0000000000DE7000-memory.dmp

          Filesize

          92KB

        • memory/2500-8-0x00000000002C0000-0x00000000002D7000-memory.dmp

          Filesize

          92KB

        • memory/2928-25-0x0000000074520000-0x0000000074ACB000-memory.dmp

          Filesize

          5.7MB

        • memory/2928-26-0x0000000074520000-0x0000000074ACB000-memory.dmp

          Filesize

          5.7MB

        • memory/2928-27-0x0000000000540000-0x0000000000580000-memory.dmp

          Filesize

          256KB

        • memory/2928-30-0x0000000074520000-0x0000000074ACB000-memory.dmp

          Filesize

          5.7MB

        • memory/2928-39-0x0000000000540000-0x0000000000580000-memory.dmp

          Filesize

          256KB