Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 06:37

General

  • Target

    8b0932899a0cb3350905b12d4e6e2af39c7edd79871eae46e949874279426287.exe

  • Size

    6.9MB

  • MD5

    87825d66996c3910b2fbed3f5ab4a2ee

  • SHA1

    a86aa5c25645488b3a3a9aafae4779e8f9362848

  • SHA256

    8b0932899a0cb3350905b12d4e6e2af39c7edd79871eae46e949874279426287

  • SHA512

    1b4bb50e745b4e296c056076daebcdfe3e59130f3a8b9991203a6449614fa34bad86e0af37d6f8c1e351ceea03f4acca318bb9ba861ea73f6724230fbf0a9ff8

  • SSDEEP

    98304:Wws2ANnKXOaeOgmht8n5QBUqoDwkYRzddiHP6nIFriWp86fv0o8j49Z5/xP:kKXbeO7A8U2kQBdiHPtRT8o8sb59

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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
  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 10 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 8 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b0932899a0cb3350905b12d4e6e2af39c7edd79871eae46e949874279426287.exe
    "C:\Users\Admin\AppData\Local\Temp\8b0932899a0cb3350905b12d4e6e2af39c7edd79871eae46e949874279426287.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2832
    • 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:1500
    • 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:4548
      • 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:3244
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4516
    • C:\Users\Admin\AppData\Local\Temp\HD_8b0932899a0cb3350905b12d4e6e2af39c7edd79871eae46e949874279426287.exe
      C:\Users\Admin\AppData\Local\Temp\HD_8b0932899a0cb3350905b12d4e6e2af39c7edd79871eae46e949874279426287.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3532
      • C:\Program Files\Java\jdk-1.8\bin\javaw.exe
        "C:\Program Files\Java\jdk-1.8\bin\javaw.exe" -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=15 -jar "HD_8b0932899a0cb3350905b12d4e6e2af39c7edd79871eae46e949874279426287.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3200
        • C:\Windows\system32\icacls.exe
          C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
          4⤵
          • Modifies file permissions
          PID:2520
        • C:\Windows\SYSTEM32\cmd.exe
          cmd ver
          4⤵
            PID:1064
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
        PID:820
      • 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:3812
        • C:\Windows\SysWOW64\Remote Data.exe
          "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240606359.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2412
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -auto
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4580
        • 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:4996

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\905ebba3a8fc8cc.timestamp
        Filesize

        50B

        MD5

        743dd63743c5c0261fe8270af305e511

        SHA1

        855b4592ae7a74d42c26d241e87b6680b3928771

        SHA256

        c76503321dabc5d0ad37221c3c9889955817c7ff3b4a9217919c99f1f8556851

        SHA512

        59f2a7461c8878fdfb9e468d81d92cd57be45f1fcc1ad40a153630c18d44713d6db9e741e782a1ce2eddf30ec41e8f692721a1dd2a769597faebcc90e50fd91d

      • C:\Users\Admin\AppData\Local\Temp\HD_8b0932899a0cb3350905b12d4e6e2af39c7edd79871eae46e949874279426287.exe
        Filesize

        4.4MB

        MD5

        c40aebee2bf4002f042241a4625176d4

        SHA1

        3bfb5be63e2438788e431440865cb0dc42f34ef7

        SHA256

        8e4f917471e96a7f28802a0e816d000aa7156a040a066887672207ca9cb6474e

        SHA512

        6fabce39177305db58cc95bd7ffac3bf4348c738c158e0c420e1d9bef7020ec81512ddf1d4accceb324bd0127b7d611ae316b418340db465b4ca925c90eaaa3f

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

        2.5MB

        MD5

        171a226dee5aaa5d81a1fdaf619b2d5e

        SHA1

        04de24f275712462e48764824527ee85c423fa6e

        SHA256

        8ab75d2cf26d6147f3385edf5959a41bc18cd45b14bdc04f3fbe1faa1d23912d

        SHA512

        a0420bffaa224ac4266fd5850c9c002fc2d1cb9f7fa8e32860028a5cf175ae84065f2a913038a996c59ba83181df31514ec0df6f18848cf440cfe2f929a7219c

      • 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\hmcl.json
        Filesize

        818B

        MD5

        90f35d77c9f7d8124cd12986f0528712

        SHA1

        11c4527f1d33cd7383f50c2128a3812166658cea

        SHA256

        f08afba233387e4f273149c4990f60cd1642e67c68477a2081f41d2b764be425

        SHA512

        fb18aa3e57839db7e66eb2b4ce31f63ec51063a98d729d7639e956ea263e878ed6357a5fc3493bb5d02de2fb095e4fa9d3e3798e6d8362232a089df113080ade

      • C:\Users\Admin\AppData\Local\Temp\hmcl.json
        Filesize

        817B

        MD5

        d4084216850a615b37ebd35eb2b8d155

        SHA1

        fdb87602b59bfa2ccd5617d0ae8d4a57ffe560eb

        SHA256

        82fdcc3b988db5a376701810b0ba203185d4624b1b647fbae44479ca1b57f6df

        SHA512

        6bf57587dc647a0ac2703020517aa7c86152384600bb1bef0d2ce138b88987dcf3e026768bc310883d05b9a375678630ab48f2379ea645eaf2ac72d17cf93853

      • C:\Users\Admin\AppData\Local\Temp\hmcl.json
        Filesize

        824B

        MD5

        c458dfec4fef766b6879ff1ad3e0c340

        SHA1

        3aec48fc6b28ce16460a443acc855b643fc76d35

        SHA256

        b37784c2082b7adb63a2beab81f842fd5c016706663234b179d1f5c9a4623032

        SHA512

        54334b08df55df78cd84cf43f0c14b999822c9489cf8a591327cb48cf0a911194ce80567bd663e117c9a667aac606a12771182105c4560573ec1d45054eaa6da

      • C:\Users\Admin\AppData\Roaming\.hmcl\authlib-injector.jar
        Filesize

        333KB

        MD5

        c60d3899b711537e10be33c680ebd8ae

        SHA1

        1eca6aa7faf7ac6e3211862afa6e43fe2eedd07b

        SHA256

        3bc9ebdc583b36abd2a65b626c4b9f35f21177fbf42a851606eaaea3fd42ee0f

        SHA512

        5b0634bdd4193e9d5423b4e0490b980132081df0a845d3832031c8be637d93616aee82bbaeb427fb6f617aeeb381e7246ee5e83a79bde071ef0b02a81cb91289

      • C:\Windows\SysWOW64\240606359.txt
        Filesize

        899KB

        MD5

        abbff166b925b71e16e2f02236946cfb

        SHA1

        a36cccb5fcf54c8d94a0f86f76e8597e8a255f5f

        SHA256

        b0fe8eee6dcb4e576fb4e0970b0d9a029211c8a72c33b80e12185a79d97d8274

        SHA512

        513b5c4c24d27446a6faef3b61e984d62b9a5123092180e2cd2a6cab75079febf2c93e6ff2b64d1c7c3acebcded1259ca9035eae795e32375a0d02d884350af9

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

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/3200-175-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-207-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-245-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-243-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-242-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-69-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-71-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-79-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-111-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-226-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-212-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-209-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-152-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/3200-204-0x0000020D36580000-0x0000020D36581000-memory.dmp
        Filesize

        4KB

      • memory/4548-19-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4548-17-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4548-23-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4548-20-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4580-26-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4580-29-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4580-28-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4996-42-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4996-37-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4996-41-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB