Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 04:46

General

  • Target
    c9717dd001f5b40a14b56f32b107cce20c0520ea10be7b3844bf0bc821cd296a.exe
  • Size 3.6MB
  • Sample240612-feey8a1dre
  • SHA256 c9717dd001f5b40a14b56f32b107cce20c0520ea10be7b3844bf0bc821cd296a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 2 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 2 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 8 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9717dd001f5b40a14b56f32b107cce20c0520ea10be7b3844bf0bc821cd296a.exe
    "C:\Users\Admin\AppData\Local\Temp\c9717dd001f5b40a14b56f32b107cce20c0520ea10be7b3844bf0bc821cd296a.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2948
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2384
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4228
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1172
    • C:\Users\Admin\AppData\Local\Temp\HD_c9717dd001f5b40a14b56f32b107cce20c0520ea10be7b3844bf0bc821cd296a.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c9717dd001f5b40a14b56f32b107cce20c0520ea10be7b3844bf0bc821cd296a.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:928
      • 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\HD_C97~1.EXE > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3016
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1136
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1916
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240598515.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2444
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:224
    • C:\Windows\SysWOW64\sainbox.exe
      C:\Windows\SysWOW64\sainbox.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\SysWOW64\sainbox.exe
        C:\Windows\SysWOW64\sainbox.exe -acsi
        2⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:4808

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          HD_X.dat

          • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
          • Size 2.4MB
          • SHA256 38eaab9ec4454f71549a1422c597c385afbb6273837656883fa0f184220e9284
          • MD5 SHA1 SHA512 SSDEEP

          HD_c9717dd001f5b40a14b56f32b107cce20c0520ea10be7b3844bf0bc821cd296a.exe

          • Path C:\Users\Admin\AppData\Local\Temp\HD_c9717dd001f5b40a14b56f32b107cce20c0520ea10be7b3844bf0bc821cd296a.exe
          • Size 1.3MB
          • SHA256 2fba5a60bc4975c91305c62211132ec2f903b349160e123399eb89d09ba4e672
          • MD5 SHA1 SHA512 SSDEEP

          N.exe

          • Path C:\Users\Admin\AppData\Local\Temp\N.exe
          • Size 377KB
          • SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
          • MD5 SHA1 SHA512 SSDEEP

          R.exe

          • Path C:\Users\Admin\AppData\Local\Temp\R.exe
          • Size 941KB
          • SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
          • MD5 SHA1 SHA512 SSDEEP

          240598515.txt

          • Path C:\Windows\SysWOW64\240598515.txt
          • Size 899KB
          • SHA256 14fc1db758a7cd208d0acbd55340c26e73d40a42f8ab9f0ec4363bf2fa374676
          • MD5 SHA1 SHA512 SSDEEP

          Remote Data.exe

          • Path C:\Windows\SysWOW64\Remote Data.exe
          • Size 60KB
          • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
          • MD5 SHA1 SHA512 SSDEEP

          QAssist.sys

          • Path C:\Windows\system32\drivers\QAssist.sys
          • Size 76KB
          • SHA256 6cce28b275d5ec20992bb13790976caf434ab46ddbfd5cfd431d33424943122b
          • MD5 SHA1 SHA512 SSDEEP

          memory/224-50-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/224-54-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/224-53-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/928-40-0x0000000010000000-0x000000001019F000-memory.dmp

          memory/2272-57-0x0000000010000000-0x000000001019F000-memory.dmp

          memory/2384-20-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2384-19-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2384-23-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2384-17-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3784-26-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3784-28-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3784-29-0x0000000010000000-0x00000000101B6000-memory.dmp