Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 17:58

General

  • Target

    128b79633ee477be90fceb262429550140af65c6127e5dfca09e1effe2543e54.exe

  • Size

    3.5MB

  • MD5

    c0fdc8f1a7b462df3fdfabca6d09eaff

  • SHA1

    38a400a2f860d069903165eecc8394369d314e15

  • SHA256

    128b79633ee477be90fceb262429550140af65c6127e5dfca09e1effe2543e54

  • SHA512

    bd9c4dbe91a29bb0c6d8bbcdd764a8f448b44f7655781239670dfdc40810e5a807dcc6af41adfb86c7116da97c5348740053a3559a73720f41a8d9c22061681c

  • SSDEEP

    49152:yCwsbCANnKXferL7Vwe/Gg0P+WhpONROdNBzMZVH4m/:Vws2ANnKXOaeOgmhRDwGm/

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 15 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 14 IoCs

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

  • 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\128b79633ee477be90fceb262429550140af65c6127e5dfca09e1effe2543e54.exe
    "C:\Users\Admin\AppData\Local\Temp\128b79633ee477be90fceb262429550140af65c6127e5dfca09e1effe2543e54.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4408
    • 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:796
    • 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:1664
      • 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:1516
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1600
    • C:\Users\Admin\AppData\Local\Temp\HD_128b79633ee477be90fceb262429550140af65c6127e5dfca09e1effe2543e54.exe
      C:\Users\Admin\AppData\Local\Temp\HD_128b79633ee477be90fceb262429550140af65c6127e5dfca09e1effe2543e54.exe
      2⤵
      • Executes dropped EXE
      PID:516
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:528
    • 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:3908
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240597546.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3504
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4344
      • 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

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\HD_128b79633ee477be90fceb262429550140af65c6127e5dfca09e1effe2543e54.exe

            Filesize

            951KB

            MD5

            888c9d96d1ace85b9ec00db8ed6e5bb4

            SHA1

            2afe82d515ca7535414137b34c8141ce3a1da9d2

            SHA256

            bb812e2f6eb8d296f7b96edb5e87e646788b18971290da2baffd4c41385da19a

            SHA512

            915439fc80e1696ff2cf161817319f7f6fb7de627c4ec6c795e43d70c75d7fa48a977c74f93e273c601a9f7328ef116276d591a91c22aad5f778cf12bf4715ca

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

            Filesize

            847KB

            MD5

            f9167030820e06e168509a86b60cd30c

            SHA1

            698244021cc3c4b6446098083c8bb221a4e290a8

            SHA256

            d1dd63c8a68102beac2f92530e76660a93b91d1108bedaaf13f273a1345736e7

            SHA512

            aee2a25b74df2455770ea18cf5fbf7c27529f366cb62264a787948d63e574dcb7594289c91b3ecff2f7392d92d72feb819ec105ab91ffb60ac8090d03256d703

          • 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\240597546.txt

            Filesize

            899KB

            MD5

            66ff071b9d84657a05ccb112b5a2e70e

            SHA1

            6ef3e8cac69aebe19d4f2ab682255935d5a19243

            SHA256

            eebaed782cdae773bf56ecba0ef9144261a0a172dc2e2a56d62fe5b71f72a914

            SHA512

            cb8aaa3a5f1a554de3bed26eed81f909f45573133aaa2db0c29c455a23f5d71e3eb6f2d4e036f89245ee371c882e9765bf7c31e0672810c07d49cf6229af3f23

          • C:\Windows\SysWOW64\240597546.txt

            Filesize

            727KB

            MD5

            26a7ffcf226cc84e4c99408363d99648

            SHA1

            fb0980421fdd0fe2a43304be09587f7acf1f8a00

            SHA256

            a3d843e641a6008152864d16181e2292792d68f6745b942534994df61dc41862

            SHA512

            f5bcb16c5d77da615aee2993516825a3b75a737e3c13a5b943bc51180a5a687ff438b32ae5aa0cfc81e01417787c82c5d53ebd7431081e9dad150e4d02b0061c

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

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • \??\c:\windows\SysWOW64\240597546.txt

            Filesize

            558KB

            MD5

            248b328385933f273f2181ca17a47798

            SHA1

            e2ae0e3c2d14479c7f0a9f92e084bb066efba3ae

            SHA256

            28e76e10605c64c6dbfe81e018c9e767c61d46861d98153594be516fb91dd77f

            SHA512

            e8e2ef2a3fd776d158496aede1c6f8e3fd7d8e8f86f31a2fa0ecd4ee66b1e2e7e7ba4c051ba704645410a6f22e27068d60643d8efcdf7ccb33e6daacb708301b

          • memory/1664-17-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/1664-21-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/1664-20-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/1664-31-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/1664-19-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2556-40-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2556-55-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2556-58-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2556-60-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4344-41-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4344-29-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4344-30-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4344-26-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4344-28-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB