Analysis

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

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 00:08

General

  • Target

    a7b619b63d04e9a3cfcd483997a80eed.exe

  • Size

    37KB

  • MD5

    a7b619b63d04e9a3cfcd483997a80eed

  • SHA1

    0d6ecc6b7fcd77f75c7d81098587089f046c81d4

  • SHA256

    5a74ec4a87740ce4535f8af0f01ebedb3c2d850b618b6c6ded92004dc5976030

  • SHA512

    478a06625925bc29e174c9701810b2e05a34443964ea9deac65fcdbbce1836c239733f9d1092d3129f4c36639811143d497d0084a9d5ea2b36500abb3701cf36

  • SSDEEP

    768:IaKgWMAg3BuZEiwefKEeY4921tWY+hTFCeSyMQQHFY7D8:IaDAiBuWZEeYu23WYyFTSysHF

Malware Config

Extracted

Family

xtremerat

C2

mohamedmmk.zapto.org

Signatures

  • Detect XtremeRAT payload 8 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7b619b63d04e9a3cfcd483997a80eed.exe
    "C:\Users\Admin\AppData\Local\Temp\a7b619b63d04e9a3cfcd483997a80eed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Users\Admin\AppData\Local\Temp\a7b619b63d04e9a3cfcd483997a80eed.exe
      "C:\Users\Admin\AppData\Local\Temp\a7b619b63d04e9a3cfcd483997a80eed.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4188
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        PID:4400
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\InstallDir\schov.exe

    Filesize

    37KB

    MD5

    a7b619b63d04e9a3cfcd483997a80eed

    SHA1

    0d6ecc6b7fcd77f75c7d81098587089f046c81d4

    SHA256

    5a74ec4a87740ce4535f8af0f01ebedb3c2d850b618b6c6ded92004dc5976030

    SHA512

    478a06625925bc29e174c9701810b2e05a34443964ea9deac65fcdbbce1836c239733f9d1092d3129f4c36639811143d497d0084a9d5ea2b36500abb3701cf36

  • memory/392-13-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/392-16-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/4188-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/4188-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/4188-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/4188-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/4188-14-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/4400-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/4588-0-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4588-5-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB