Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 19:16

General

  • Target

    f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe

  • Size

    2.7MB

  • MD5

    b0235adaed702e027228ce962969f665

  • SHA1

    390085dd907e891bb28fc39c0dcd3addd6db57d2

  • SHA256

    f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510

  • SHA512

    f884dd98dc3970b00de9737f6fc682621d3ff11d2671f23c140a39a3469f345be5dd5dc7f041ba7cd93f6d025f6ea824bedc578cab1c7b4c7e0e58ed7bbc5640

  • SSDEEP

    24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH6:yCwsbCANnKXferL7Vwe/Gg0P+Wh52Fm

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 8 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • NSIS installer 2 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 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe
    "C:\Users\Admin\AppData\Local\Temp\f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3004
    • 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:2212
    • 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:2988
      • 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:2552
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2488
    • C:\Users\Admin\AppData\Local\Temp\HD_f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe
      C:\Users\Admin\AppData\Local\Temp\HD_f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe
      2⤵
      • Executes dropped EXE
      PID:2732
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1432
    • 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:2200
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259400490.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1912
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2644
      • 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:2556

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            2.6MB

            MD5

            274fe01eb0f4cd402c3cfdeda4b30715

            SHA1

            72db93e86caaadf2f28e5265ebfbc2ea6ba9e705

            SHA256

            843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40

            SHA512

            6d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798

          • C:\Users\Admin\AppData\Local\Temp\HD_f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe

            Filesize

            81KB

            MD5

            3d73e5c8d964c2424a8937c835f8143a

            SHA1

            3e5f8285a3110c321973376839154182503a20bc

            SHA256

            ddb20c055450d2632ce95c11a43046d116711a31eff2fcac91f2c7805b009e3a

            SHA512

            28d911d59ef9446e555969caece90b9f66c12a8f32d4b3a609d7cd0c767d2cd56e7c8639d78fd4ffef53cecdefa144cc8842fa28c950056dfd0607f862b2834f

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

            Filesize

            289KB

            MD5

            c7456ca5a5889cb945a04e975b610e73

            SHA1

            8d08c6d5db7d45b1296531d0126a3d5f54095c53

            SHA256

            87e98330bfb343544502edb823f9cdbe00298fc1aaa3cf174f7edeb6ef7afe6a

            SHA512

            155f13b261d6dba051c2687871e3284daa9f983e788e72128670265d97111a3f8c55418ad7c148b32c09f8a9aafc1bc37bbb6491fd36f7a5b77966d40f988f32

          • C:\Windows\SysWOW64\TXPlatfor.exe

            Filesize

            272KB

            MD5

            12f82fbf38b89998c2012cc8cb6cf9ba

            SHA1

            e5dd42829514130d78e54da00d538d57f5fef13b

            SHA256

            bb96c5e1354c416655735fb21745a8f81a32703016a4542ee57929cded3f0663

            SHA512

            3dd175fc5e2aae392ff78cf60298192292bfd73454c081c80231e947f14bf9aa34631c0e17a82541795e9392ef68551a9148435ec1ab1610d1c19fada2291c2d

          • C:\Windows\SysWOW64\TXPlatfor.exe

            Filesize

            71KB

            MD5

            f75ff278d31e6861141102172369fdfa

            SHA1

            09efbf04731fa7a6d47995e60b6a31b7de9baf48

            SHA256

            e1f8351712b3bad0a4246020f13c9a52d05d26ecfa7842be278cf615854ebcb4

            SHA512

            e8241b5dbd0bb347298efa73ee4b7c83842193e1931a66f298aec5a21e130b87f9035152d404e32d0e1a842f9efaf192858485d0651702844c6b6ebc19810108

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

            Filesize

            377KB

            MD5

            4a36a48e58829c22381572b2040b6fe0

            SHA1

            f09d30e44ff7e3f20a5de307720f3ad148c6143b

            SHA256

            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

            SHA512

            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

            Filesize

            941KB

            MD5

            8dc3adf1c490211971c1e2325f1424d2

            SHA1

            4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

            SHA256

            bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

            SHA512

            ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

          • \Windows\SysWOW64\259400490.txt

            Filesize

            899KB

            MD5

            03fb0b7af6f3ed17f93ab070167537c9

            SHA1

            7c21de4474e303f2d1e56d9139c7ca0926945081

            SHA256

            0313f6bf6c77ef3521cb3abf509f83cc24313f3de75b21b99f631320f5f01c2b

            SHA512

            879bdf78f4f64cf41eb3605cd30e588662498e0d62ddf4af19a04f618b9e223c03c907c958900a3df160a2da46f09e851c3fee6eba922d010690e02aacc81307

          • \Windows\SysWOW64\Remote Data.exe

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • memory/2556-53-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2556-52-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2556-48-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2644-45-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2988-34-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2988-20-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2988-22-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2988-21-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2988-18-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB