Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/10/2023, 22:25

General

  • Target

    NEAS.4187553d330847c6e062cefe74793ad0_JC.exe

  • Size

    3.7MB

  • MD5

    4187553d330847c6e062cefe74793ad0

  • SHA1

    39cb50fa2f54f21d7016d76b02c89536394064f1

  • SHA256

    38db6cf6cf9c7ede61d6ce1e76907894bbb73b67b2d0a1b3106105410e47f92c

  • SHA512

    0e2c6971355e380ae68168b1c069a32102e3b6439ae83ce2d0080578ca762f84424337a4772496081e59bf8a59dbae529f47e121ce85afccc07294ebf8260285

  • SSDEEP

    49152:JCwsbCANnKXferL7Vwe/Gg0P+Wh6JDmn2EBlgE2M/yk/dH:kws2ANnKXOaeOgmh6JDmn2EBlkqxH

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 14 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 3 IoCs
  • UPX packed file 12 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.4187553d330847c6e062cefe74793ad0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.4187553d330847c6e062cefe74793ad0_JC.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1316
    • 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:3616
    • 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:4064
      • 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:3400
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3516
    • C:\Users\Admin\AppData\Local\Temp\HD_NEAS.4187553d330847c6e062cefe74793ad0_JC.exe
      C:\Users\Admin\AppData\Local\Temp\HD_NEAS.4187553d330847c6e062cefe74793ad0_JC.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1732
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:4320
    • 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:4060
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240647140.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2372
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3676
      • 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:1352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_NEAS.4187553d330847c6e062cefe74793ad0_JC.exe

      Filesize

      1.0MB

      MD5

      e4ba10fda1ca9abb0df68b5bff79eea8

      SHA1

      5c9ab58195efc2f5a6d50fd23841656e8fe16625

      SHA256

      2a0e88a483aa40497600534505725b060e4221be25fd22e25c29626e84176452

      SHA512

      16902b25a91dd6438237d3fed6cdb3855fe0ec2c551d508bb1abdb001018b57e9b3bc21914f4adfa5ea48742355289ad415dec7b6b617c828c49b874e9c290d9

    • C:\Users\Admin\AppData\Local\Temp\HD_NEAS.4187553d330847c6e062cefe74793ad0_JC.exe

      Filesize

      1.0MB

      MD5

      e4ba10fda1ca9abb0df68b5bff79eea8

      SHA1

      5c9ab58195efc2f5a6d50fd23841656e8fe16625

      SHA256

      2a0e88a483aa40497600534505725b060e4221be25fd22e25c29626e84176452

      SHA512

      16902b25a91dd6438237d3fed6cdb3855fe0ec2c551d508bb1abdb001018b57e9b3bc21914f4adfa5ea48742355289ad415dec7b6b617c828c49b874e9c290d9

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

      Filesize

      2.6MB

      MD5

      80243d7d78f009d691cf3c3274b5b0f0

      SHA1

      18ec18f151317011fe42e1c40b013f2cd3932a2a

      SHA256

      dba7f695cd15c7d81196dbd9b53b899bb1c529590ae339c63336bc9a84c7cb3b

      SHA512

      a00db9c4299e60a113048c96ae1dd2edf695109117621d000b761a2385972c287fef57b40ef45ddc8c401f9ec90e1deb8b66f3a49e756d5384d9c2c597093ca4

    • 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\240647140.txt

      Filesize

      899KB

      MD5

      c2627eec039b1ed1442c817a5d68fff1

      SHA1

      f20f43dc551bf62329418afd2d6d33824f638bc3

      SHA256

      17df745a1c331a70e8d5c1a05ada740a634b4d87a9e55625e084072dbd8c1df9

      SHA512

      61bbf1977868be83820b1a4eb19c487bd0eb126690c6c7e463db2f830f7785eb2b9184e6fe37600f41113b289e183849707f3c56d8b7f0ffde9dde2aa115f6e8

    • C:\Windows\SysWOW64\240647140.txt

      Filesize

      899KB

      MD5

      c2627eec039b1ed1442c817a5d68fff1

      SHA1

      f20f43dc551bf62329418afd2d6d33824f638bc3

      SHA256

      17df745a1c331a70e8d5c1a05ada740a634b4d87a9e55625e084072dbd8c1df9

      SHA512

      61bbf1977868be83820b1a4eb19c487bd0eb126690c6c7e463db2f830f7785eb2b9184e6fe37600f41113b289e183849707f3c56d8b7f0ffde9dde2aa115f6e8

    • C:\Windows\SysWOW64\240647140.txt

      Filesize

      899KB

      MD5

      c2627eec039b1ed1442c817a5d68fff1

      SHA1

      f20f43dc551bf62329418afd2d6d33824f638bc3

      SHA256

      17df745a1c331a70e8d5c1a05ada740a634b4d87a9e55625e084072dbd8c1df9

      SHA512

      61bbf1977868be83820b1a4eb19c487bd0eb126690c6c7e463db2f830f7785eb2b9184e6fe37600f41113b289e183849707f3c56d8b7f0ffde9dde2aa115f6e8

    • 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\240647140.txt

      Filesize

      899KB

      MD5

      c2627eec039b1ed1442c817a5d68fff1

      SHA1

      f20f43dc551bf62329418afd2d6d33824f638bc3

      SHA256

      17df745a1c331a70e8d5c1a05ada740a634b4d87a9e55625e084072dbd8c1df9

      SHA512

      61bbf1977868be83820b1a4eb19c487bd0eb126690c6c7e463db2f830f7785eb2b9184e6fe37600f41113b289e183849707f3c56d8b7f0ffde9dde2aa115f6e8

    • memory/1352-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1352-45-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1352-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3676-30-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3676-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3676-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3676-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3676-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4064-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4064-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4064-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB