Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 16:57

General

  • Target

    e569af64a2ab3d63ff1318213ffaa039_JaffaCakes118.exe

  • Size

    30KB

  • MD5

    e569af64a2ab3d63ff1318213ffaa039

  • SHA1

    ef8548f4f9227d1f001aaa4adaf162c80beda20d

  • SHA256

    6a3526912bf02d1b2e4b3ba8443939b518e312422a2c171ef01d83d60e5b5b4c

  • SHA512

    27cf2749d9a65c6fec4058535fbfa9b7d492253727c1ab60138f8319a10064fdfd239b34dbb0b1595dbe8ec92d276d8059f4323b17e32f71d2e7b81ee353b550

  • SSDEEP

    768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFEV8:SKcR4mjD9r823FES

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 6 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\e569af64a2ab3d63ff1318213ffaa039_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e569af64a2ab3d63ff1318213ffaa039_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2156
    • 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:852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\vDUdgI4aKB9YXb7.exe

    Filesize

    30KB

    MD5

    6b20c3528a9758db91ca38d26f7f5561

    SHA1

    73c45f604644921ad92695f8ed9aa66a04d3b7a8

    SHA256

    648f450a56c4904530748ac5f93e421484d394439e5976fffeaf0fc61fb7aa74

    SHA512

    0a896ac330d2c917a99072784a4a742979146e75983b2682f70ac79970d56ee1d61c09db9ace59893b7158de0fb4b2c2439ad0b08a29c7f86239cbba5340be6c

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/852-12-0x0000000000AB0000-0x0000000000AC7000-memory.dmp

    Filesize

    92KB

  • memory/2156-0-0x0000000000990000-0x00000000009A7000-memory.dmp

    Filesize

    92KB

  • memory/2156-9-0x0000000000990000-0x00000000009A7000-memory.dmp

    Filesize

    92KB

  • memory/2156-8-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2156-18-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB