Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2024 01:53

General

  • Target

    7bd819e07f179d3f264d22ff7f6a44d5.exe

  • Size

    136KB

  • MD5

    7bd819e07f179d3f264d22ff7f6a44d5

  • SHA1

    3f21e20ab76637efcfb1cd66cd24fed2b736861a

  • SHA256

    ea03ea99faa0e8318947128b1a6918585613b6e418820323db993bc787b0590d

  • SHA512

    2cff9b4d7af480ed540b40a2a48e095f03a286260d1bebbfae3df214ca2786e64dfbcf9b3199ce613aec52d6a8c99f4dceda33d9c5e3a074539d919af64e89ee

  • SSDEEP

    1536:AD3gWHwUr2vj+KW3xkeIpituP4B3DZTdS/UwgdRSiSgKM435Sl9UAMfbX37n:AD3ejTittR1dSMwqSiuM4z9r

Malware Config

Extracted

Family

xtremerat

C2

explosive.zapto.org

Создаexplosive.zapto.org

Signatures

  • Detect XtremeRAT payload 9 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
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe
    "C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe
      "C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        PID:2872
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SystemDrivers\rHDaudDriv.exe

    Filesize

    136KB

    MD5

    7bd819e07f179d3f264d22ff7f6a44d5

    SHA1

    3f21e20ab76637efcfb1cd66cd24fed2b736861a

    SHA256

    ea03ea99faa0e8318947128b1a6918585613b6e418820323db993bc787b0590d

    SHA512

    2cff9b4d7af480ed540b40a2a48e095f03a286260d1bebbfae3df214ca2786e64dfbcf9b3199ce613aec52d6a8c99f4dceda33d9c5e3a074539d919af64e89ee

  • memory/2156-16-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2156-1-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2156-2-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2156-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2156-5-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2156-8-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2156-7-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2156-9-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2156-0-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2384-21-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2384-20-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2384-15-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2384-24-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2872-12-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2872-23-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB