Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 14:02

General

  • Target

    ad8ae63fa4b529ba89213916821ff5ad0e9d36635974de98d7a34a72e8b4aa1d.exe

  • Size

    4.4MB

  • MD5

    c11f916eaa4a45a6caad64b9e2f4573c

  • SHA1

    c67d95fd97f2fc86c56bb73505e9aa1f321961ff

  • SHA256

    ad8ae63fa4b529ba89213916821ff5ad0e9d36635974de98d7a34a72e8b4aa1d

  • SHA512

    eb77c28f6411490b8d331a6d015793c46e8dd097ec040889df183974ab529de11593535cdd1e6e2ca580ce704034240ed059cf56f0f2f1955e3505f4710207e5

  • SSDEEP

    98304:pws2ANnKXOaeOgmhAtOZ0yvcF6zyTcieCVNn4rD18Xj/ca:bKXbeO7EOZTztiZT818Xj

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 10 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 6 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad8ae63fa4b529ba89213916821ff5ad0e9d36635974de98d7a34a72e8b4aa1d.exe
    "C:\Users\Admin\AppData\Local\Temp\ad8ae63fa4b529ba89213916821ff5ad0e9d36635974de98d7a34a72e8b4aa1d.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3408
    • 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:5728
    • 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:3380
      • 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:4176
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3440
    • C:\Users\Admin\AppData\Local\Temp\HD_ad8ae63fa4b529ba89213916821ff5ad0e9d36635974de98d7a34a72e8b4aa1d.exe
      C:\Users\Admin\AppData\Local\Temp\HD_ad8ae63fa4b529ba89213916821ff5ad0e9d36635974de98d7a34a72e8b4aa1d.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:556
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:4208
    • 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:4376
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600015.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:5412
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3360
      • 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:3104

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      2.6MB

      MD5

      19ac25aa3288836feb07140c2c334617

      SHA1

      4d944d980ce063a3bd58774a3d99aeb65cde5f54

      SHA256

      d66160c0692fbabb34dfc9d2f1809c3820f45b264ad51a995e0475b519a8b912

      SHA512

      6de98a39efec57a085e5b6039341bdcdbebd0ce5512367b7f76f051c0d9f47d6891637c1244c19277668d03c977bfae843b48599bd0f029224cd8240f5d4f5b6

    • C:\Users\Admin\AppData\Local\Temp\HD_ad8ae63fa4b529ba89213916821ff5ad0e9d36635974de98d7a34a72e8b4aa1d.exe

      Filesize

      1.8MB

      MD5

      af1a94be0e586ef9367d38a39b649bef

      SHA1

      44c8ef15229c2cc71426c5b8a5b8f926f1696dfe

      SHA256

      4c8803a42319c4885f30d18075872758ecc09c9a175d484fd488108906849da1

      SHA512

      b0da4f8b3608e59c0a0ec383455e1ade6592f45625f631b6a2874a9b05a7899f039c356787efe75d16306284a6f0eac0fdae64c69a9e1687dd6c5936a6767abe

    • C:\Users\Admin\AppData\Local\Temp\N.exe

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • C:\Users\Admin\AppData\Local\Temp\R.exe

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • C:\Windows\SysWOW64\240600015.txt

      Filesize

      899KB

      MD5

      f99fdd905c9962440368d3ece3151ba9

      SHA1

      e37787e12067ac7a74ee9271e85a799a02bc0f95

      SHA256

      d88085b48e70fbc5c1bb47634352c749a3378eecbf9a84e536a08423332b3c31

      SHA512

      a191b95f165bc793da966e62f59f8d37e042d0e916de08cc7b7460bdae4d2904a11de3c798e0e87f7f3c64ba2d5dd4f39711893104dd23eb536e090b6f9a4ad1

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/3104-46-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3104-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3104-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3360-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3360-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3360-27-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3380-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3380-22-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3380-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3380-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB