Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 05:56

General

  • Target

    8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe

  • Size

    2.9MB

  • MD5

    560608490ae299c8ff492ffe5f686d5b

  • SHA1

    d3d09b537fe7417341a98b77e4ec6a4613387ee4

  • SHA256

    8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f

  • SHA512

    2ff59fbf5c860a2eb0bda7f7f9663e38e17187649a4ebf309153181fad12156e02862bbe283583c93fb488a17a0b6b792d382d7231fc79a92b89db72c9d00dd9

  • SSDEEP

    49152:jCwsbCANnKXferL7Vwe/Gg0P+Wh6sfmn2Jopj+619:2ws2ANnKXOaeOgmh6sfmn2Joj

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 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 8 IoCs
  • UPX packed file 6 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\8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
    "C:\Users\Admin\AppData\Local\Temp\8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3068
    • 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:2184
    • 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:2040
      • 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:2796
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2704
    • C:\Users\Admin\AppData\Local\Temp\HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
      C:\Users\Admin\AppData\Local\Temp\HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
      2⤵
      • Executes dropped EXE
      PID:2692
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2168
    • 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:2888
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259401067.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2580
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2284
      • 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:2720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2.5MB

      MD5

      491e76452cda8221f41f0bc0a5d64f26

      SHA1

      da92a1fe875f71c85b141d48af18f9971664b84a

      SHA256

      1ddb8e556e8e4172f19830b9ee9c0ce31de24c3f35da2039ff8f8812abf3b02c

      SHA512

      00f222dea24cebe6691c0bc07bd524c2b74c7ef453e3fa9d59008dd68e7e2880e3a35f6416f37b1e4f7b87cd6a975ab4aa18bbe7a0d111f6aa4326cba940f2cf

    • 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

    • \Users\Admin\AppData\Local\Temp\HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe

      Filesize

      439KB

      MD5

      ecce8dc700265c1630a6b78a0d296c47

      SHA1

      19b3ba3d2919ae6950446fd098a9668c0d6c9444

      SHA256

      09990c28fb72af87e75f806b513eb011191b1a82604f9bef0dc7fb3f93db951e

      SHA512

      7a80d50fbbd8aef5a2f6aa0bec3952f22bbad94b3c80d00e714af5fcb8402357ca197f9121e3374fe2a536e3a08b6b48c692804fb1be489d98cb42a583dd814d

    • \Windows\SysWOW64\259401067.txt

      Filesize

      899KB

      MD5

      be284578edb9e00574e70241bdf94d48

      SHA1

      e5bfa4319bd326ab8bfd59e240c67aad652a067a

      SHA256

      dc624d78f6fe3a0b3439e8ab02e48f65f8cf5576b84ee9f8f39cbe2919e41b94

      SHA512

      695b74460b15b11e42dbf05a09f022007356b5f7d551f0f3f4018c622108d71e3331af5141edc7041b4b4d78d13a469f3dac4549bb9e3288d1f0f4abeb022b47

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2040-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2040-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2040-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2720-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2720-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2720-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB