Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    23/08/2023, 06:39

General

  • Target

    497b7c7b118a7fc95473f9eb69ed35514ee031a969570597308c3b0c0a211776.exe

  • Size

    2.3MB

  • MD5

    1fe542684ebe5c730af29a1d3c53b536

  • SHA1

    17d1b37267e4c8a5b7bbe7c4714c6c00c7afe83c

  • SHA256

    497b7c7b118a7fc95473f9eb69ed35514ee031a969570597308c3b0c0a211776

  • SHA512

    53e13f631118326acbee4fc47da1aa185905e7171254616e91efec04195849e7adab66e1ba90ceb6fcffb5d2b978e05db392b555cdbb5cb5570b32a39ea4e4d1

  • SSDEEP

    24576:+CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH+:+CwsbCANnKXferL7Vwe/Gg0P+WhQ0

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 4 IoCs
  • Loads dropped DLL 4 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: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\497b7c7b118a7fc95473f9eb69ed35514ee031a969570597308c3b0c0a211776.exe
    "C:\Users\Admin\AppData\Local\Temp\497b7c7b118a7fc95473f9eb69ed35514ee031a969570597308c3b0c0a211776.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1788
    • 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:1280
    • 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:2800
      • 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:2816
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2724
  • C:\Windows\SysWOW64\TXPlatfor.exe
    C:\Windows\SysWOW64\TXPlatfor.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2968
    • 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:2836

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.3MB

          MD5

          1fe542684ebe5c730af29a1d3c53b536

          SHA1

          17d1b37267e4c8a5b7bbe7c4714c6c00c7afe83c

          SHA256

          497b7c7b118a7fc95473f9eb69ed35514ee031a969570597308c3b0c0a211776

          SHA512

          53e13f631118326acbee4fc47da1aa185905e7171254616e91efec04195849e7adab66e1ba90ceb6fcffb5d2b978e05db392b555cdbb5cb5570b32a39ea4e4d1

        • 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:\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\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\259424701.txt

          Filesize

          899KB

          MD5

          22dd45dd62052c96c8e4edd7c0959739

          SHA1

          4c839cdb0d6738d6eb9b8f3db49aadc8ce0e4e90

          SHA256

          1925f648afd809b0505291550092e32b1419a2b7c4bb6fd29e655d8dcf0bd7b4

          SHA512

          0184d990b7e850980fea01f877f61756aa89fd2e0cd23da6abdbd460a46e044a01f3203f1219f217f2fb8f44c2cd1ebeb2b69807eac8b1a3d96ee230fda4e428

        • \Windows\SysWOW64\TXPlatfor.exe

          Filesize

          377KB

          MD5

          4a36a48e58829c22381572b2040b6fe0

          SHA1

          f09d30e44ff7e3f20a5de307720f3ad148c6143b

          SHA256

          3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

          SHA512

          5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

        • memory/2800-84-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2800-71-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2800-67-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2800-70-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2800-69-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2836-88-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2836-92-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2836-96-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2836-97-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2968-79-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2968-91-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB