Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2023, 07:25

General

  • Target

    b7662862c768006b8cbd4a13af4be1ae052b1fce2a3e804c0e86bc32e731db50.exe

  • Size

    9.5MB

  • MD5

    c8e4bf0e5dbe3ee3b1c924dc50c6eb66

  • SHA1

    5b5327b5f6027a286b6ac9eff0ca3aa14c8e3bb5

  • SHA256

    b7662862c768006b8cbd4a13af4be1ae052b1fce2a3e804c0e86bc32e731db50

  • SHA512

    4b578afb49b425f72094b13b5cf3d6cf11d3c65358feac1c4f173904d3774533641a3efab5acf4924d75ee074b21d7f89998382d6389b9ace60337c16a49d97d

  • SSDEEP

    196608:2KXbeO7EO+alP8nFY1+qTxfcpy82Tc8BkRX:b7R+aynFMxEiSx

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 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 6 IoCs
  • UPX packed file 13 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 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7662862c768006b8cbd4a13af4be1ae052b1fce2a3e804c0e86bc32e731db50.exe
    "C:\Users\Admin\AppData\Local\Temp\b7662862c768006b8cbd4a13af4be1ae052b1fce2a3e804c0e86bc32e731db50.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4032
    • 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:2124
    • 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:4460
      • 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:928
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1512
    • C:\Users\Admin\AppData\Local\Temp\HD_b7662862c768006b8cbd4a13af4be1ae052b1fce2a3e804c0e86bc32e731db50.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b7662862c768006b8cbd4a13af4be1ae052b1fce2a3e804c0e86bc32e731db50.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:1564
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:4520
    • 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:2908
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240616859.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4056
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5016
      • 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:976

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            2.6MB

            MD5

            de00169da525cdd9c202cc96222ad7d7

            SHA1

            eed1345660905bdbe89ab05507fee31f9fefd6d4

            SHA256

            a2afccfd9401245bdc228ddd72a4e092b1bbe71e0571fa4b0845603285888cd4

            SHA512

            eee1cae8454eef04546f50931453defef40b313d7e7d7717003039037655f205c2516436ef1f7fda4ee3e1667ab60f30858afb4fa87e3cb7c9e25e6ff0820249

          • C:\Users\Admin\AppData\Local\Temp\HD_b7662862c768006b8cbd4a13af4be1ae052b1fce2a3e804c0e86bc32e731db50.exe

            Filesize

            6.9MB

            MD5

            720dceeeebb2ef1181d79fdfca4bb1fd

            SHA1

            dbd0b8b895e623a2f4cd0fcfce10d86efc8c9eb4

            SHA256

            e5b5cfa2e48770a734c08ae1ed18f92794dd596823bd0157a54470aabdbe301e

            SHA512

            920ea362ea719dde6a912e2f57e2cf2b39a33de51a13ef09b9af3188698b4fc6af0b2a59e4cff61941966cbe66c44f3cd100c0e9e212371903a4a186c8e3d081

          • C:\Users\Admin\AppData\Local\Temp\HD_b7662862c768006b8cbd4a13af4be1ae052b1fce2a3e804c0e86bc32e731db50.exe

            Filesize

            6.9MB

            MD5

            720dceeeebb2ef1181d79fdfca4bb1fd

            SHA1

            dbd0b8b895e623a2f4cd0fcfce10d86efc8c9eb4

            SHA256

            e5b5cfa2e48770a734c08ae1ed18f92794dd596823bd0157a54470aabdbe301e

            SHA512

            920ea362ea719dde6a912e2f57e2cf2b39a33de51a13ef09b9af3188698b4fc6af0b2a59e4cff61941966cbe66c44f3cd100c0e9e212371903a4a186c8e3d081

          • 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:\Users\Admin\AppData\Local\Temp\nsc8CDF.tmp\System.dll

            Filesize

            11KB

            MD5

            bf712f32249029466fa86756f5546950

            SHA1

            75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

            SHA256

            7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

            SHA512

            13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

          • C:\Users\Admin\AppData\Local\Temp\nsc8CDF.tmp\bhskin.dll

            Filesize

            2.4MB

            MD5

            3ead2748bc92ad62860b98b118d7f9b2

            SHA1

            c97458e16aa27595d5bff86c46b7e84fc58d52d2

            SHA256

            f4ca291200cf7065101088448d3a85ed39eaffee167a47239a89ce34964c2aaf

            SHA512

            194f5fd57ac07e9d4aa2e2061fd89a06ee8c9c62cf6d81c886b7efc5680663654b38a6c0e52c5ef2573dcc7827a08a0dcd73b868d25d586afba1b8424b5522d2

          • C:\Users\Admin\AppData\Local\Temp\nsc8CDF.tmp\nsNiuniuSkin.dll

            Filesize

            925KB

            MD5

            b5e1b57b9e64b8a3f268da507bdca18c

            SHA1

            28e002eef27c97d4ec5016a37b9418d42416f1dd

            SHA256

            4c851e03e57e3894eb8c838741088257ac59c38bc39b69cc7f8d0cc5cf9a0be5

            SHA512

            7d9ec2bcd6b0d6efca096d0dac9b9e66e7488e05884ccf369618f7d4d3a2ec16f412ebbe2c2915cf208ddf6f0cfe5efbd4f5436fe8aa73e472c385d716cbf006

          • C:\Users\Admin\AppData\Local\Temp\nsc8CDF.tmp\nsNiuniuSkin.dll

            Filesize

            925KB

            MD5

            b5e1b57b9e64b8a3f268da507bdca18c

            SHA1

            28e002eef27c97d4ec5016a37b9418d42416f1dd

            SHA256

            4c851e03e57e3894eb8c838741088257ac59c38bc39b69cc7f8d0cc5cf9a0be5

            SHA512

            7d9ec2bcd6b0d6efca096d0dac9b9e66e7488e05884ccf369618f7d4d3a2ec16f412ebbe2c2915cf208ddf6f0cfe5efbd4f5436fe8aa73e472c385d716cbf006

          • C:\Users\Admin\AppData\Local\Temp\nsc8CDF.tmp\skin.zip

            Filesize

            790KB

            MD5

            66c497c8d691a73ca13f393610013a85

            SHA1

            5cd3550116969293caec6fb963db137a2f0a824b

            SHA256

            22cae3d42dda08ac75585a54ef6c0e62c19dda8e9f8cf7183c99857148a2a05e

            SHA512

            2b43c0f2c9fcc31f4c602b14d8a2f06131c7553edd4096e632b51d7ef3f63253a72a978fd00338d9a55c17dfd03d0b948355dbd14cef9c24af695bdd6ff75897

          • C:\Windows\SysWOW64\240616859.txt

            Filesize

            899KB

            MD5

            ac06ddb97782874338ee978b81e0a4d7

            SHA1

            fadb417e347acf30ecd5c1084fc0e5dcdc1a7e39

            SHA256

            6e76ddda1c223cf768f7581119254619391312fa6c315863e730ab0919f4be92

            SHA512

            8c127ebabde6546457481e3592f54f9865b9381677113025a138112168affb70c14c1b150a3dd26d0f1abd47cf056c416df40c2c2f2acdf3a6fd29d3174726b7

          • C:\Windows\SysWOW64\240616859.txt

            Filesize

            899KB

            MD5

            ac06ddb97782874338ee978b81e0a4d7

            SHA1

            fadb417e347acf30ecd5c1084fc0e5dcdc1a7e39

            SHA256

            6e76ddda1c223cf768f7581119254619391312fa6c315863e730ab0919f4be92

            SHA512

            8c127ebabde6546457481e3592f54f9865b9381677113025a138112168affb70c14c1b150a3dd26d0f1abd47cf056c416df40c2c2f2acdf3a6fd29d3174726b7

          • C:\Windows\SysWOW64\240616859.txt

            Filesize

            899KB

            MD5

            ac06ddb97782874338ee978b81e0a4d7

            SHA1

            fadb417e347acf30ecd5c1084fc0e5dcdc1a7e39

            SHA256

            6e76ddda1c223cf768f7581119254619391312fa6c315863e730ab0919f4be92

            SHA512

            8c127ebabde6546457481e3592f54f9865b9381677113025a138112168affb70c14c1b150a3dd26d0f1abd47cf056c416df40c2c2f2acdf3a6fd29d3174726b7

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

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • 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\240616859.txt

            Filesize

            899KB

            MD5

            ac06ddb97782874338ee978b81e0a4d7

            SHA1

            fadb417e347acf30ecd5c1084fc0e5dcdc1a7e39

            SHA256

            6e76ddda1c223cf768f7581119254619391312fa6c315863e730ab0919f4be92

            SHA512

            8c127ebabde6546457481e3592f54f9865b9381677113025a138112168affb70c14c1b150a3dd26d0f1abd47cf056c416df40c2c2f2acdf3a6fd29d3174726b7

          • memory/976-193-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/976-195-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/976-186-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4460-153-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4460-164-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4460-152-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4460-154-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4460-150-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5016-167-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5016-161-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5016-163-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5016-162-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5016-159-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB