Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-10-2023 02:17

General

  • Target

    NEAS.632b27dcf43d1b1da88c7480c96c8280_JC.exe

  • Size

    6.1MB

  • MD5

    632b27dcf43d1b1da88c7480c96c8280

  • SHA1

    9b36b147a60f218c06adc8e3526c87cd0f0481b5

  • SHA256

    88ec63449ccc66e5b3f69eaaef9bb5a5d276bf087d3abd29c62e448a426b6660

  • SHA512

    1f1344ab2b2e2cc0351138081c49d6b6b8eb4d87c7e5e301ea994f565f3eab2bfa90759470d28d2d60a1e78e9691c09229a51bacd37dcc62ce41555f19be4d36

  • SSDEEP

    98304:Xws2ANnKXOaeOgmhylS77UQ1mfa/ews4VOp9mP:hKXbeO7olS7oQcfa/ewsWOpsP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 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 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 13 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.632b27dcf43d1b1da88c7480c96c8280_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.632b27dcf43d1b1da88c7480c96c8280_JC.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2004
    • 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:2860
    • 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:4024
      • 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:2532
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2912
    • C:\Users\Admin\AppData\Local\Temp\HD_NEAS.632b27dcf43d1b1da88c7480c96c8280_JC.exe
      C:\Users\Admin\AppData\Local\Temp\HD_NEAS.632b27dcf43d1b1da88c7480c96c8280_JC.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2292
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:4844
    • 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:4564
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240615687.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3308
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1416
      • 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:2372

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

      Filesize

      5.6MB

      MD5

      37149d92c21051e3396c54cc364ed256

      SHA1

      9e5dfe7927f10e3ace1b8ef883dfd78e72bf1d39

      SHA256

      3e701417ef8a925656ed74dfe9a450f668c08517c4cf19dec4058d065220117b

      SHA512

      4451adff058e5afbe8b6395a806dc18e08d51691a9351743db2c569f4a446ab277a326f2686e707fadcb5fff6cd2ba0bcc120414b920f2fa3f953021e6cdf156

    • C:\Users\Admin\AppData\Local\Temp\HD_NEAS.632b27dcf43d1b1da88c7480c96c8280_JC.exe

      Filesize

      3.7MB

      MD5

      c84a3c776bf83d55f901288db3b8b8a0

      SHA1

      515df2a9fb35beef25d070b688d692646f0a1c8f

      SHA256

      b8d968872fe7ed8de7eeb89ff6e1ce2029521f7c744c088ae2c4807b396d28ae

      SHA512

      e471e4ffa1511b5239474577eda92ccb98918eb1633284af20ed80a3cd8366dc4b3ecbe2482b9325e6c543b1acf07731973290265b0ac3c94ea6c436b12e9064

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

      Filesize

      2.5MB

      MD5

      9d63bec40d1f5319b1c0f88142d3d8fb

      SHA1

      14f93a17e1ec45ebba260289809b61a07f4e6433

      SHA256

      70e623d41900b671a14eb12d56546cf7b8aa6823d0d60dde07443429da799dba

      SHA512

      c40eb0324695aab9f8ffa5794415321556a306b2d5dbb91b540b1a97b7640de7f434ebdac0cc394fcd171e9aa17b739e09eca1bdfc3bf0438b52e2692666d5f3

    • 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\240615687.txt

      Filesize

      899KB

      MD5

      091a848c362577f72aa6adf2b5505ba9

      SHA1

      cf29fc8bdf7fee6a62d8d4e86c79b4b622c38fda

      SHA256

      8a328ad057903cc74c083e90363397ceb953b457164b2e3ea3f0b09658adef27

      SHA512

      bcf6d5914808b411081483f9601cf294005f9718cfa38e2438e1bd76581d568b5dd9d75f5151c74096c5646327df0a886a1b534be64357acf1aed4f738974406

    • C:\Windows\SysWOW64\240615687.txt

      Filesize

      899KB

      MD5

      091a848c362577f72aa6adf2b5505ba9

      SHA1

      cf29fc8bdf7fee6a62d8d4e86c79b4b622c38fda

      SHA256

      8a328ad057903cc74c083e90363397ceb953b457164b2e3ea3f0b09658adef27

      SHA512

      bcf6d5914808b411081483f9601cf294005f9718cfa38e2438e1bd76581d568b5dd9d75f5151c74096c5646327df0a886a1b534be64357acf1aed4f738974406

    • C:\Windows\SysWOW64\240615687.txt

      Filesize

      899KB

      MD5

      091a848c362577f72aa6adf2b5505ba9

      SHA1

      cf29fc8bdf7fee6a62d8d4e86c79b4b622c38fda

      SHA256

      8a328ad057903cc74c083e90363397ceb953b457164b2e3ea3f0b09658adef27

      SHA512

      bcf6d5914808b411081483f9601cf294005f9718cfa38e2438e1bd76581d568b5dd9d75f5151c74096c5646327df0a886a1b534be64357acf1aed4f738974406

    • 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\240615687.txt

      Filesize

      899KB

      MD5

      091a848c362577f72aa6adf2b5505ba9

      SHA1

      cf29fc8bdf7fee6a62d8d4e86c79b4b622c38fda

      SHA256

      8a328ad057903cc74c083e90363397ceb953b457164b2e3ea3f0b09658adef27

      SHA512

      bcf6d5914808b411081483f9601cf294005f9718cfa38e2438e1bd76581d568b5dd9d75f5151c74096c5646327df0a886a1b534be64357acf1aed4f738974406

    • memory/1416-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1416-30-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1416-38-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1416-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1416-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2372-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2372-56-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2372-60-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2372-63-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4024-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4024-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4024-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4024-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB