Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2023, 16:00

General

  • Target

    d69c65831bfbab9cd8f3a1b85f4f94f1f67df8f54410556be0eebf4b278452c1.exe

  • Size

    2.8MB

  • MD5

    fb561d592e323c65b75a07c9ccc9813a

  • SHA1

    d8168f0569a254ee1a59b0f1c3e5f11ce6253586

  • SHA256

    d69c65831bfbab9cd8f3a1b85f4f94f1f67df8f54410556be0eebf4b278452c1

  • SHA512

    4b24b7eac91875cc111c02e6ee8485805d1ff9e760034ec2c2fd4abfbf1662fff450734a01ccbc3a51080706e9546dbcaa4cdc3f81819cda639220b5fbb10ae6

  • SSDEEP

    49152:cjwsbCANnKXferL7Vwe/Gg0P+WhVKDmn2snTMaMfJfWW:yws2ANnKXOaeOgmhVKDmn2sZMfJV

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 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 service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d69c65831bfbab9cd8f3a1b85f4f94f1f67df8f54410556be0eebf4b278452c1.exe
    "C:\Users\Admin\AppData\Local\Temp\d69c65831bfbab9cd8f3a1b85f4f94f1f67df8f54410556be0eebf4b278452c1.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 448
        3⤵
        • Program crash
        PID:3552
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 456
        3⤵
        • Program crash
        PID:5020
    • 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:1392
      • 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:3196
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2576
    • C:\Users\Admin\AppData\Local\Temp\HD_d69c65831bfbab9cd8f3a1b85f4f94f1f67df8f54410556be0eebf4b278452c1.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d69c65831bfbab9cd8f3a1b85f4f94f1f67df8f54410556be0eebf4b278452c1.exe
      2⤵
      • Executes dropped EXE
      PID:1892
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1536 -ip 1536
    1⤵
      PID:1776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1536 -ip 1536
      1⤵
        PID:4820
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -auto
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4532
        • 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:4940

      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

              ebbd2e32344ea1777686b6a9bd5eeccc

              SHA1

              9fa09972e64ad18ecb7359969347819b6ae240dd

              SHA256

              5a10c905f59d20a4495c9658a8252348bd26eea5457d2d01187c88e1b4cda542

              SHA512

              26de2bcbc937cd7b62a181d7febadb6afcaf0c41975ae58cdf1da8130bd2eb494af1276766e58c30593cab71d5b7f44d792e108e96dd8082768eb7c98fa00346

            • C:\Users\Admin\AppData\Local\Temp\HD_d69c65831bfbab9cd8f3a1b85f4f94f1f67df8f54410556be0eebf4b278452c1.exe

              Filesize

              301KB

              MD5

              1ad60915ee33bfff97a1168e210ad317

              SHA1

              6cd367cab22d618c129284edc6a605e966df7f4c

              SHA256

              d8c1b3f14363593ef240c990596dce539ea0a512ed3d81d5ee77794fa0ddec1f

              SHA512

              b4d123331abd8d532af2971f0b8dfad398939a4fa0f8091c9cfdfd1ffc64b05febaa69748679e88769777adfbcb9c12547075e485f3d95d8c8b646c82f8fe674

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

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

              Filesize

              941KB

              MD5

              8dc3adf1c490211971c1e2325f1424d2

              SHA1

              4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

              SHA256

              bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

              SHA512

              ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

            • C:\Windows\SysWOW64\240619171.txt

              Filesize

              899KB

              MD5

              777fda702d9dc03ec1e26e601b81f580

              SHA1

              26963676374da7dc25304244d72cacdc5664a452

              SHA256

              8631a2baeb617fab3aa0e430dd2957637db12e0c2acced39a72e0e64f67a7467

              SHA512

              e8bc0f7d1f516bcc1477acb5a1b76e008d47d9133c5d5a5b1b4692e3f13f46b26adf7ba76487d22156e2d848a1ba303b25a4fb0e79874da6acbf8bb1f8a6fcd9

            • C:\Windows\SysWOW64\TXPlatfor.exe

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

            • C:\Windows\SysWOW64\TXPlatfor.exe

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

            • C:\Windows\SysWOW64\TXPlatfor.exe

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

            • memory/1392-26-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/1392-12-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/1392-16-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/1392-15-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4532-25-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4532-23-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4532-24-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4532-34-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4532-21-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4940-43-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4940-37-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4940-50-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4940-52-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4940-55-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB