Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 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\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:4800
    • 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:2244

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

    352KB

    MD5

    07a70dbae2d2ed5c66a4ac8af9b2a36e

    SHA1

    8f033be609b6b01bc09a187e77731d16981f67dd

    SHA256

    ecfd026421276bddd000bc9095d80ab1130a76e81cb01f07bdf5b9bc30ed3995

    SHA512

    b66263b81b8beaae063f2e72bf7ff22886477850d3ebf9314f60d2f9b0d02d867fdb432e83243e1f302861c12c408036fa35b60f3b5fae4dce0de3565e905bad

  • C:\Users\Admin\AppData\Local\Temp\TeaQki91Som9rx1.exe

    Filesize

    30KB

    MD5

    e4c91599b0481d04971ae5c2bcab145c

    SHA1

    f30a408790d8c32e6b10e6749a581642ee0ac633

    SHA256

    3670db0da4ec849c90244bc0f6af4566e0fc3e68259179ae080e611ea73dae89

    SHA512

    327e0a662cf0b34ccce1415db109050f62f2a93a73d6bcef480b4396f540d8112ac53fb30ee9b50aa2abee60df49a1f113a895bf21dd19b9eddf9f3109bfaf1a

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/2244-9-0x0000000000DA0000-0x0000000000DB7000-memory.dmp

    Filesize

    92KB

  • memory/2244-32-0x0000000000DA0000-0x0000000000DB7000-memory.dmp

    Filesize

    92KB

  • memory/4800-0-0x00000000002A0000-0x00000000002B7000-memory.dmp

    Filesize

    92KB

  • memory/4800-7-0x00000000002A0000-0x00000000002B7000-memory.dmp

    Filesize

    92KB