Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2023, 00:37

General

  • Target

    dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe

  • Size

    539KB

  • MD5

    aa18d9b3660a8a907c2c2de4d4063db2

  • SHA1

    d208fd390f9f467b757c0e464022bf6a7ed866ea

  • SHA256

    dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a

  • SHA512

    723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905

  • SSDEEP

    12288:PhymnwJFPNdgBAEHApqePJN1AmLM7uVq9sSkup:PUmwrl2Ao7sJNlM7ymsSk

Malware Config

Signatures

  • Detect PurpleFox Rootkit 6 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
  • Executes dropped EXE 2 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe
    "C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1316
    • 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\DC22B1~1.EXE > nul
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3968
  • C:\Windows\SysWOW64\sainbox.exe
    C:\Windows\SysWOW64\sainbox.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2044
    • 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:1704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\sainbox.exe

          Filesize

          539KB

          MD5

          aa18d9b3660a8a907c2c2de4d4063db2

          SHA1

          d208fd390f9f467b757c0e464022bf6a7ed866ea

          SHA256

          dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a

          SHA512

          723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905

        • C:\Windows\SysWOW64\sainbox.exe

          Filesize

          539KB

          MD5

          aa18d9b3660a8a907c2c2de4d4063db2

          SHA1

          d208fd390f9f467b757c0e464022bf6a7ed866ea

          SHA256

          dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a

          SHA512

          723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905

        • C:\Windows\SysWOW64\sainbox.exe

          Filesize

          539KB

          MD5

          aa18d9b3660a8a907c2c2de4d4063db2

          SHA1

          d208fd390f9f467b757c0e464022bf6a7ed866ea

          SHA256

          dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a

          SHA512

          723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905

        • memory/1316-133-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1316-134-0x0000000010000000-0x000000001019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1316-150-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1704-152-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1704-169-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2044-144-0x0000000010000000-0x000000001019F000-memory.dmp

          Filesize

          1.6MB

        • memory/2044-153-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB