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Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 11:43

General

  • Target

    8c385106f2acdb5958abc3b808e540d162fe9c8f4a7d3c35f2f03bdde5c52825.exe

  • Size

    539KB

  • MD5

    f2d86e6703e7706174e887936571d7d4

  • SHA1

    1f2377bd479e7fe584cbab253b29b37d4f767b36

  • SHA256

    8c385106f2acdb5958abc3b808e540d162fe9c8f4a7d3c35f2f03bdde5c52825

  • SHA512

    9d7bdf72a52c4041469c9380d9a7d8c29d21a05e64710547c2d542991a1356a7c10cc4a429d753e772b571fb884b5687b70b3eb94ee7ceb403df30f13f73341e

  • SSDEEP

    12288:NhymnwJFPNdgBAEHApqePJN1AmLM7uVq9sSAL:NUmwrl2Ao7sJNlM7ymsSA

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Modifies data under HKEY_USERS 4 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c385106f2acdb5958abc3b808e540d162fe9c8f4a7d3c35f2f03bdde5c52825.exe
    "C:\Users\Admin\AppData\Local\Temp\8c385106f2acdb5958abc3b808e540d162fe9c8f4a7d3c35f2f03bdde5c52825.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\8C3851~1.EXE > nul
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2344
  • C:\Program Files (x86)\AppPatch\Wxypq.exe
    "C:\Program Files (x86)\AppPatch\Wxypq.exe" -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Program Files (x86)\AppPatch\Wxypq.exe
      "C:\Program Files (x86)\AppPatch\Wxypq.exe" -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\AppPatch\Wxypq.exe

    Filesize

    539KB

    MD5

    f2d86e6703e7706174e887936571d7d4

    SHA1

    1f2377bd479e7fe584cbab253b29b37d4f767b36

    SHA256

    8c385106f2acdb5958abc3b808e540d162fe9c8f4a7d3c35f2f03bdde5c52825

    SHA512

    9d7bdf72a52c4041469c9380d9a7d8c29d21a05e64710547c2d542991a1356a7c10cc4a429d753e772b571fb884b5687b70b3eb94ee7ceb403df30f13f73341e

  • memory/1996-0-0x0000000000400000-0x0000000000547000-memory.dmp

    Filesize

    1.3MB

  • memory/1996-1-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB

  • memory/1996-20-0x0000000000400000-0x0000000000547000-memory.dmp

    Filesize

    1.3MB

  • memory/2780-21-0x0000000000400000-0x0000000000547000-memory.dmp

    Filesize

    1.3MB

  • memory/2780-38-0x0000000000400000-0x0000000000547000-memory.dmp

    Filesize

    1.3MB

  • memory/3028-10-0x0000000000400000-0x0000000000547000-memory.dmp

    Filesize

    1.3MB

  • memory/3028-22-0x0000000000400000-0x0000000000547000-memory.dmp

    Filesize

    1.3MB