Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 08:53

General

  • Target

    95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe

  • Size

    2.6MB

  • MD5

    72d62582ae4e3fd39497ccb6eca32985

  • SHA1

    dfc45b3c9cd33a77a7c17d4959d9efa4f666cf23

  • SHA256

    95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570

  • SHA512

    041732c951939c9edbead62e6aec27fa5cd549b4fcc0fe4869f9050959bb369c1ce16253a4b7d32a0f53dcf27731d1331e6cc4cff3464f695c1539991e267f6d

  • SSDEEP

    49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn2V:Vws2ANnKXOaeOgmhPTwM6mn2V

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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 10 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
    "C:\Users\Admin\AppData\Local\Temp\95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2020
    • 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:1728
    • 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:2460
      • 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:2528
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2420
    • C:\Users\Admin\AppData\Local\Temp\HD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
      C:\Users\Admin\AppData\Local\Temp\HD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
      2⤵
      • Executes dropped EXE
      PID:2648
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2064
    • 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:2060
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259422018.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1948
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2572
      • 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:2384

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe

      Filesize

      30KB

      MD5

      ca7abf4aea479f3891da7c29eed7a37b

      SHA1

      ce7386a31c5f42b1ccc796dbdb3023010d3b8951

      SHA256

      f24ea323f8e698ef111831a09089309cac8f4741b14768ec1a3a99d49a31ae2d

      SHA512

      a5db947314bee5880714722b5f9535a6d7f40da2a392855b3b9427239c10ee1d56a8f89f6c7bd129e3f26d15bd964c454d70af090d50ea03ffee8bb0743baea7

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • C:\Users\Admin\Desktop\SwitchFormat.exe

      Filesize

      3.1MB

      MD5

      5d11662568ea3745f23a56d56ad03ae8

      SHA1

      5930c6e5e629a78a550fdc27657c32d0dc2217b8

      SHA256

      58c4dc9b0d25d70bab6914f18b7cd401ab4b1f77c11150856c58eff0f4a33fb8

      SHA512

      462e4b41f0fccb5cbaee861f44dbb085c1baffc10945702dade34b1cd71ac60e70374ad30398e27bbeee83f201b2c675ff4fceba83978167778f42aae52e05c6

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • \Windows\SysWOW64\259422018.txt

      Filesize

      899KB

      MD5

      36ab4ef71c79d487c1709bb34436a031

      SHA1

      7b55be78761560887ba11dc69c66548f698b6729

      SHA256

      63ae4563bc61dabbf72a6c5537af91ab6a870c44c6a1b541f4e41efcb2c4429f

      SHA512

      a5961b7aa9a1e6421a83412412f136bb131e7b7a4eb75878f79085ebfe23088e437b749683ed81fa1178347dc97bc5a7301b2a09ab9de7eea80507778767c2fa

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2384-46-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2384-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2384-50-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2384-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2384-53-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2384-56-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2460-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2460-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2460-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB