Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-04-2024 01:22

General

  • Target

    e64f950b934bf9514a8e62d0f8d64734_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    e64f950b934bf9514a8e62d0f8d64734

  • SHA1

    73a9bd2e9c68096cd04f9ab5ff0b0cf263c273b4

  • SHA256

    ffde756ffbea6f4f298dc943a6983d836d70fa48eeaa9aeb5c522beac06ae9f7

  • SHA512

    7979ced1a6bca4de517bc8d75c83c3c7c9c507e14f1d2e857c8489424226d889eaef8153b17edeaac572f08be50e66748e0098d6247a024e260beddb89e86c4f

  • SSDEEP

    768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+IHtScNC7:s9Z3KcR4mjD9r8226+GNs

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\e64f950b934bf9514a8e62d0f8d64734_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e64f950b934bf9514a8e62d0f8d64734_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • 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:4108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    360KB

    MD5

    c810ab75b3b181ec8cf1ea0c34004144

    SHA1

    dc1fd8a0eaacdc5a4716d2ab5f4f28f918f90810

    SHA256

    b2e78f096eaf931bfa8fdb020346d645f5f823d7fe8ef20e3fb2f56ff9e4b763

    SHA512

    0191a20fd34140e23e7f694009aae31cc817a2eb8ada8c5e7b9b1a7eb2c22324dbfca8428a770f428737e550193b74dccee725b37905a813f96d08dac49e64d0

  • C:\Users\Admin\AppData\Local\Temp\Fqlw8m0IDiQExYi.exe

    Filesize

    41KB

    MD5

    92ca78977fae6f21e650dca0c6ca5626

    SHA1

    ea07640d53fae89198c55fce2be6c4f05b2e72a6

    SHA256

    69819a211af673cc301c55eb501cbb737bdf52ca69b0c75d4d9058cd66ade33a

    SHA512

    7c3c9a8f931ae41c92bc569b96176e64d6d6b669c7f04d3f66cd6aeca60ddd72871becbd91cceb3734c4798282bed44a10b3d9b506831195d79ae7d58e42df40

  • C:\Windows\CTS.exe

    Filesize

    35KB

    MD5

    93e5f18caebd8d4a2c893e40e5f38232

    SHA1

    fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

    SHA256

    a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

    SHA512

    986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

  • memory/2032-0-0x0000000000040000-0x0000000000057000-memory.dmp

    Filesize

    92KB

  • memory/2032-7-0x0000000000040000-0x0000000000057000-memory.dmp

    Filesize

    92KB

  • memory/4108-8-0x0000000000E90000-0x0000000000EA7000-memory.dmp

    Filesize

    92KB

  • memory/4108-32-0x0000000000E90000-0x0000000000EA7000-memory.dmp

    Filesize

    92KB