Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 06:47

General

  • Target

    b40dcdeb387d82b8061905dcc4d99599.exe

  • Size

    85KB

  • MD5

    b40dcdeb387d82b8061905dcc4d99599

  • SHA1

    0c69673b4a0f9daaa8fb5741f7267609768ff464

  • SHA256

    e771c5bef31c1955ee0e87e9220fe5d14db5507f28c46e92f0d4272daf233884

  • SHA512

    0a92a63572774edadbc832ea359c1576fbcd11db793f5ea73d6af35f7e6b7e3d0a1ab48213c09144be34951153d8b07c14ed9558175d3bcceadcaa95ad97a22c

  • SSDEEP

    1536:SKcR4mjD9r823FBBXVl/skYzGwG0Z9OivBtLy0+E8+khn7a1C+gx0XnIVOEJ8:SKcWmjRrz3tXjUdGj0Z9OivLWocEux7s

Malware Config

Signatures

  • Executes dropped EXE 2 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 5 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
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b40dcdeb387d82b8061905dcc4d99599.exe
    "C:\Users\Admin\AppData\Local\Temp\b40dcdeb387d82b8061905dcc4d99599.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4736
    • C:\Users\Admin\AppData\Local\Temp\ZiOIopyNksOKwB7.exe
      C:\Users\Admin\AppData\Local\Temp\ZiOIopyNksOKwB7.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 816
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:4844
    • 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:1408

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

    354KB

    MD5

    c21ee93e032e67d43c2b52bf40067493

    SHA1

    48f796e5f104f364ff24557cb510c08eefd706b5

    SHA256

    97d5760bc0e4bf4fa6ca88db7aa7e5b90b7db06c9e3144db158801c50bdfa039

    SHA512

    b9de8caafbc1f0344c20da3100615fee6d8ad899d6885edc738cf3f61a4abcd5483792ada3ac7d2c7a973e22ea8a9caff41153d78ac19c87fdb8ebeace425492

  • C:\Users\Admin\AppData\Local\Temp\ZiOIopyNksOKwB7.exe

    Filesize

    56KB

    MD5

    e115521ba14b75f53dcdff087ec6898f

    SHA1

    87103a892bb514a93d485fba221bacb9da3aae25

    SHA256

    59b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29

    SHA512

    ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/1408-9-0x0000000000F20000-0x0000000000F37000-memory.dmp

    Filesize

    92KB

  • memory/1928-28-0x00000000013E0000-0x00000000013F0000-memory.dmp

    Filesize

    64KB

  • memory/1928-27-0x00007FFFC43B0000-0x00007FFFC4D51000-memory.dmp

    Filesize

    9.6MB

  • memory/1928-29-0x00007FFFC43B0000-0x00007FFFC4D51000-memory.dmp

    Filesize

    9.6MB

  • memory/1928-40-0x00007FFFC43B0000-0x00007FFFC4D51000-memory.dmp

    Filesize

    9.6MB

  • memory/4736-0-0x0000000000390000-0x00000000003A7000-memory.dmp

    Filesize

    92KB

  • memory/4736-8-0x0000000000390000-0x00000000003A7000-memory.dmp

    Filesize

    92KB