Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 7 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 3 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:2744
    • 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:2188

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

          Filesize

          349KB

          MD5

          89c24fe436ed7fce6544ff9769badbc1

          SHA1

          cadde4fc64d0a51ca5e7009b392a96a782dbfdbe

          SHA256

          0b40a488f80431f0694b811471f2f99755d37e60c325e9f31baf6170391099a4

          SHA512

          2350050e364decf6e35c63859b467d073c4062ac1a41cfdad9bcf6816abb0e1047feece20d84fe267a02daf2cc6f728eb1f546922eea7b80d6f5c8ac4203b187

        • C:\Users\Admin\AppData\Local\Temp\3aG5kzT8mNhICe4.exe

          Filesize

          28KB

          MD5

          8268e43cf36bbed9f57c692f339f8a8e

          SHA1

          8a83f826d378f0459795a24223012d4d7173cb32

          SHA256

          bdfdeda7c8b740762d25f85e5861d778ac683cb95f5aeae310257c3f0bddec43

          SHA512

          3cded61715b29408d30e2ba716e472408e9f1a17d38acfcd91a807835c2e0493b8b28492f45a996fcb61b43d12f01695f7fb300c4fe9d736caf1cf1ecb6fd83d

        • C:\Windows\CTS.exe

          Filesize

          28KB

          MD5

          e6150447c894ade7b2b9ee88d5933922

          SHA1

          dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

          SHA256

          b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

          SHA512

          d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

        • memory/2188-7-0x00000000000A0000-0x00000000000B7000-memory.dmp

          Filesize

          92KB

        • memory/2188-31-0x00000000000A0000-0x00000000000B7000-memory.dmp

          Filesize

          92KB

        • memory/2744-0-0x0000000000D10000-0x0000000000D27000-memory.dmp

          Filesize

          92KB

        • memory/2744-9-0x0000000000D10000-0x0000000000D27000-memory.dmp

          Filesize

          92KB