Analysis

  • max time kernel
    140s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 18:33

General

  • Target

    a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe

  • Size

    28KB

  • MD5

    a379c16f2858be2cefdc91878c3d8b8e

  • SHA1

    67df0060e3327390e23fd26a67ae1ec34397535e

  • SHA256

    4aae795faf59f3a25492cd7799c434f6183f4cbb476a51a5e4df766570a2c13c

  • SHA512

    26e4aca3c6816c04bddef6ca4c08e708a20ddb52f2924de8cf06792053d3859d86d9b1c0e64e9f0e6d8bd118822509d71e61fa6ee55df67c3782f3b663395742

  • SSDEEP

    768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIoR:egKcR4mjD9r82w

Malware Config

Signatures

  • Executes dropped EXE 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 4 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2924
    • 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:3020

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\EazS9fthEXohdQn.exe

          Filesize

          289B

          MD5

          053587750f94a02286bcefb845bdee49

          SHA1

          f19628d2ce2279238d2caea1ed6adbd086293ebc

          SHA256

          32006b6d177998be9aee1b81062d77413c20307aa8979eef3024fed4ef674a40

          SHA512

          38d3445764f0766d066ab8b88e5a0ec7db18d758e431d1400eb9666465823f066a0539dc02d4faaedb0031956f656846d5a566c28a6169790230fa30e5b24282

        • C:\Windows\CTS.exe

          Filesize

          28KB

          MD5

          e6150447c894ade7b2b9ee88d5933922

          SHA1

          dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

          SHA256

          b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

          SHA512

          d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

        • memory/2924-1-0x0000000000890000-0x00000000008A7000-memory.dmp

          Filesize

          92KB

        • memory/2924-8-0x0000000000890000-0x00000000008A7000-memory.dmp

          Filesize

          92KB

        • memory/2924-11-0x00000000000E0000-0x00000000000F7000-memory.dmp

          Filesize

          92KB

        • memory/2924-18-0x00000000000E0000-0x00000000000F7000-memory.dmp

          Filesize

          92KB

        • memory/3020-12-0x0000000000160000-0x0000000000177000-memory.dmp

          Filesize

          92KB