Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 12:39

General

  • Target

    f0644490fe2a1c6bef8d4e84387e044822ff33790fd8eb5f1cf04216522eff99.exe

  • Size

    4.1MB

  • MD5

    4e7bda3592495f8007501bdf3725d7c4

  • SHA1

    31596c5abead28df320ee970c53042d871b4a2e1

  • SHA256

    f0644490fe2a1c6bef8d4e84387e044822ff33790fd8eb5f1cf04216522eff99

  • SHA512

    89b01ec784f7bba8574c8925d78bd97e2da2962d4aa3923cb2b081d74dca485025f3775b319f2f648f1d629f535c7fad1b33189739ab7cd41c02bd17feadf100

  • SSDEEP

    98304:yws2ANnKXOaeOgmhVKDmn2fZbD3+AlORIDH/mviccFx:oKXbeO7bamn8pBDH/mviccFx

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 5 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 3 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0644490fe2a1c6bef8d4e84387e044822ff33790fd8eb5f1cf04216522eff99.exe
    "C:\Users\Admin\AppData\Local\Temp\f0644490fe2a1c6bef8d4e84387e044822ff33790fd8eb5f1cf04216522eff99.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2624
    • 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:2808
    • 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:1660
      • 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:2828
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2892
    • C:\Users\Admin\AppData\Local\Temp\HD_f0644490fe2a1c6bef8d4e84387e044822ff33790fd8eb5f1cf04216522eff99.exe
      C:\Users\Admin\AppData\Local\Temp\HD_f0644490fe2a1c6bef8d4e84387e044822ff33790fd8eb5f1cf04216522eff99.exe
      2⤵
      • Executes dropped EXE
      PID:2384
  • C:\Windows\SysWOW64\TXPlatfor.exe
    C:\Windows\SysWOW64\TXPlatfor.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3000
    • 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:2856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\HD_f0644490fe2a1c6bef8d4e84387e044822ff33790fd8eb5f1cf04216522eff99.exe

          Filesize

          1.5MB

          MD5

          959b47e51c6e5080c66b09cb72a16aad

          SHA1

          cdda98f7f3df7baa4c6a2a8bd59a885eb3c626bc

          SHA256

          fb190eb448b6d0ab7007baa71a924e9c1c8f556f004dee970cd046777f05ef2c

          SHA512

          db9030c7d5ca3d7b6ac341c7d441b0b2d62beb0e36ba764278aeb81316bd8340ea849b85daffdd9244508fe265e650e93086bdf4b17c66594c820c8082680985

        • 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\Desktop\StartFormat.exe

          Filesize

          2.9MB

          MD5

          ae3f0711d0a727fecf65d32ee1e04f97

          SHA1

          2785f5112965f8314a95e84dbb28020232efc1a2

          SHA256

          6cfe7874f97f30b0bf3b746e5331c48551757ed8fa29e0d65a95dd3ffc9f7568

          SHA512

          9cfc2bab908be4bca1455f63f96dcb46aa19d0a97aee990a24856dd584f9f3691ae807bf1d81980be86cabc35728bf968f6cf900cec75ac2b6367dd8beb522f2

        • 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

        • C:\Windows\SysWOW64\TXPlatfor.exe

          Filesize

          377KB

          MD5

          4a36a48e58829c22381572b2040b6fe0

          SHA1

          f09d30e44ff7e3f20a5de307720f3ad148c6143b

          SHA256

          3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

          SHA512

          5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

        • \Users\Admin\AppData\Local\Temp\HD_f0644490fe2a1c6bef8d4e84387e044822ff33790fd8eb5f1cf04216522eff99.exe

          Filesize

          1.5MB

          MD5

          959b47e51c6e5080c66b09cb72a16aad

          SHA1

          cdda98f7f3df7baa4c6a2a8bd59a885eb3c626bc

          SHA256

          fb190eb448b6d0ab7007baa71a924e9c1c8f556f004dee970cd046777f05ef2c

          SHA512

          db9030c7d5ca3d7b6ac341c7d441b0b2d62beb0e36ba764278aeb81316bd8340ea849b85daffdd9244508fe265e650e93086bdf4b17c66594c820c8082680985

        • \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\259422751.txt

          Filesize

          899KB

          MD5

          43536539345d6516279a28308932439d

          SHA1

          58fa34d7bb15366fcb395fcf53fc2228485e5d94

          SHA256

          26690bcee0ea9b40092c0fb0dc367f4657194cef884b29f310194cd44f31e84b

          SHA512

          ec54b2ed9af27f65945c969741733ddb1a481d93647de3fb6db13736aa43e7a73be005babe9b4a1fdc6f46671e3fd14c828d00b35f1429b8ccb30f2cb5c4bc04

        • \Windows\SysWOW64\TXPlatfor.exe

          Filesize

          377KB

          MD5

          4a36a48e58829c22381572b2040b6fe0

          SHA1

          f09d30e44ff7e3f20a5de307720f3ad148c6143b

          SHA256

          3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

          SHA512

          5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

        • memory/1660-15-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1660-29-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1660-13-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1660-16-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1660-17-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2856-41-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2856-46-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2856-49-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2856-51-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3000-34-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3000-24-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB