Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 15:47

General

  • Target

    bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe

  • Size

    3.1MB

  • MD5

    f5eb577b5fc1273e8ef8fb7190d02e57

  • SHA1

    9e0f1bc66392fa6f2398adae546d56b866985090

  • SHA256

    bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35

  • SHA512

    f9477b1c2ae7bf1394a7cd19ec7d7438873967e2d36fc3bc9371156e9a841aa65b5cd77131649922fe77121e38620a851e5fdb680694694834d547cb0197a62e

  • SSDEEP

    49152:fCwsbCANnKXferL7Vwe/Gg0P+WhSJLBLHmgzV:Kws2ANnKXOaeOgmhSJdLG4V

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 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 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 9 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 6 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 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe
    "C:\Users\Admin\AppData\Local\Temp\bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2772
    • 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:2500
    • 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:2224
      • 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:2920
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2708
    • C:\Users\Admin\AppData\Local\Temp\HD_bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe
      C:\Users\Admin\AppData\Local\Temp\HD_bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2464
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2992
    • 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:2612
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259418929.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2748
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2564
      • 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:2140

    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

            da7123e53a2f3de7ea266e5b072efd00

            SHA1

            a431909741017dd7834baca0017c50622a052ba8

            SHA256

            ddb8face4a834b456c0ae1178ddaa63c011cc8fe63f1a4de8f4588c117ce47c9

            SHA512

            9288a9fbaacf4de1145df626bf357f93d844921851106d5207c57dc09b273a9b31082090628bcdd29f5db5cfb6edd12d0c594d61becd05d0a065f1487c1d8ce6

          • C:\Users\Admin\AppData\Local\Temp\HD_bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe

            Filesize

            856KB

            MD5

            7a6b2c1b95094674257cd2a9e241c0f2

            SHA1

            c7aa8c3414de6b3425b5bf36ca1e6d054f206bc3

            SHA256

            7f9f71280ead0ca8df14d388c23b7930860715d62c3f07026de2db89b3873cba

            SHA512

            5be7e4cc42d32daaf5e984c17e5c47584dc60525faeccba705af1997b3c1436ece613384270c0ccb51d938098dc290e469d33bf912fd6974cd58116c5c3f289f

          • C:\Users\Admin\AppData\Local\Temp\HD_bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe

            Filesize

            856KB

            MD5

            7a6b2c1b95094674257cd2a9e241c0f2

            SHA1

            c7aa8c3414de6b3425b5bf36ca1e6d054f206bc3

            SHA256

            7f9f71280ead0ca8df14d388c23b7930860715d62c3f07026de2db89b3873cba

            SHA512

            5be7e4cc42d32daaf5e984c17e5c47584dc60525faeccba705af1997b3c1436ece613384270c0ccb51d938098dc290e469d33bf912fd6974cd58116c5c3f289f

          • 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\Remote Data.exe

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • 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\259418929.txt

            Filesize

            899KB

            MD5

            00869093b1d7653c29ae1a9c2c602f1d

            SHA1

            7c88dc6216e65cee83139ee47d8d864d36028a16

            SHA256

            c4f4a1783d280a12284e0138aa0e9386c456791433bdc822619b8814211096ff

            SHA512

            4430d2979d120f816b73325b4e9c3f6f7aa40bf35a15982e65a2e2293bf492c1650749cdf734bad0dd5af0b25c0ed7966b0b1174ced9d8bc51b5e474948eb9cf

          • \Users\Admin\AppData\Local\Temp\HD_bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe

            Filesize

            856KB

            MD5

            7a6b2c1b95094674257cd2a9e241c0f2

            SHA1

            c7aa8c3414de6b3425b5bf36ca1e6d054f206bc3

            SHA256

            7f9f71280ead0ca8df14d388c23b7930860715d62c3f07026de2db89b3873cba

            SHA512

            5be7e4cc42d32daaf5e984c17e5c47584dc60525faeccba705af1997b3c1436ece613384270c0ccb51d938098dc290e469d33bf912fd6974cd58116c5c3f289f

          • \Users\Admin\AppData\Local\Temp\HD_bfaef2ef5234d35f5098612ce50f88f3066eda179b3b9b2e00432ddb7c386b35.exe

            Filesize

            856KB

            MD5

            7a6b2c1b95094674257cd2a9e241c0f2

            SHA1

            c7aa8c3414de6b3425b5bf36ca1e6d054f206bc3

            SHA256

            7f9f71280ead0ca8df14d388c23b7930860715d62c3f07026de2db89b3873cba

            SHA512

            5be7e4cc42d32daaf5e984c17e5c47584dc60525faeccba705af1997b3c1436ece613384270c0ccb51d938098dc290e469d33bf912fd6974cd58116c5c3f289f

          • \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\259418929.txt

            Filesize

            899KB

            MD5

            00869093b1d7653c29ae1a9c2c602f1d

            SHA1

            7c88dc6216e65cee83139ee47d8d864d36028a16

            SHA256

            c4f4a1783d280a12284e0138aa0e9386c456791433bdc822619b8814211096ff

            SHA512

            4430d2979d120f816b73325b4e9c3f6f7aa40bf35a15982e65a2e2293bf492c1650749cdf734bad0dd5af0b25c0ed7966b0b1174ced9d8bc51b5e474948eb9cf

          • \Windows\SysWOW64\259418929.txt

            Filesize

            899KB

            MD5

            00869093b1d7653c29ae1a9c2c602f1d

            SHA1

            7c88dc6216e65cee83139ee47d8d864d36028a16

            SHA256

            c4f4a1783d280a12284e0138aa0e9386c456791433bdc822619b8814211096ff

            SHA512

            4430d2979d120f816b73325b4e9c3f6f7aa40bf35a15982e65a2e2293bf492c1650749cdf734bad0dd5af0b25c0ed7966b0b1174ced9d8bc51b5e474948eb9cf

          • \Windows\SysWOW64\259418929.txt

            Filesize

            899KB

            MD5

            00869093b1d7653c29ae1a9c2c602f1d

            SHA1

            7c88dc6216e65cee83139ee47d8d864d36028a16

            SHA256

            c4f4a1783d280a12284e0138aa0e9386c456791433bdc822619b8814211096ff

            SHA512

            4430d2979d120f816b73325b4e9c3f6f7aa40bf35a15982e65a2e2293bf492c1650749cdf734bad0dd5af0b25c0ed7966b0b1174ced9d8bc51b5e474948eb9cf

          • \Windows\SysWOW64\Remote Data.exe

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • \Windows\SysWOW64\TXPlatfor.exe

            Filesize

            377KB

            MD5

            4a36a48e58829c22381572b2040b6fe0

            SHA1

            f09d30e44ff7e3f20a5de307720f3ad148c6143b

            SHA256

            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

            SHA512

            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

          • memory/2140-59-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2140-56-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2140-52-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2224-21-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2224-35-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2224-22-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2224-18-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2464-51-0x0000000000400000-0x0000000000503000-memory.dmp

            Filesize

            1.0MB

          • memory/2464-71-0x0000000000400000-0x0000000000503000-memory.dmp

            Filesize

            1.0MB

          • memory/2564-41-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2564-30-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2772-53-0x0000000002D40000-0x0000000002E43000-memory.dmp

            Filesize

            1.0MB

          • memory/2772-49-0x0000000002D40000-0x0000000002E43000-memory.dmp

            Filesize

            1.0MB

          • memory/2772-70-0x0000000002D40000-0x0000000002E43000-memory.dmp

            Filesize

            1.0MB