Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 14:32

General

  • Target

    c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe

  • Size

    9.4MB

  • MD5

    90d8a9974676944d64c6e37c746f0c2b

  • SHA1

    b92b5452ed88530894354c3048bee7e91d3ec173

  • SHA256

    c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484

  • SHA512

    b0b2b08b9d08adf835eb2902a029bd6e0add7ed0e284b531f44c78c5fdfbd842a53a388b0c09cb5a7ebad16d935ad65d8feca4cda60ea1eb0b15ed5f589fa9cb

  • SSDEEP

    196608:MKXbeO7fnSLLF2uFgfZW3QRi79jIlkJqBEykyj9q:t7aV24uZ+QRKBCkkqxyjk

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 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 9 IoCs
  • Loads dropped DLL 15 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 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 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe
    "C:\Users\Admin\AppData\Local\Temp\c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2084
    • 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:1852
    • 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:2488
      • 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:2644
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2628
    • C:\Users\Admin\AppData\Local\Temp\HD_c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Users\Admin\AppData\Local\Temp\._cache_HD_c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_HD_c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1564
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:772
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2572
    • 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:2928
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259396590.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1292
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2340
      • 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:2500
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
      1⤵
        PID:2628

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      3
      T1547

      Registry Run Keys / Startup Folder

      3
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      3
      T1547

      Registry Run Keys / Startup Folder

      3
      T1547.001

      Defense Evasion

      Modify Registry

      3
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Remote System Discovery

      1
      T1018

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\._cache_HD_c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe
        Filesize

        6.1MB

        MD5

        76d9ace54cdfa5919eba62a9dd63ab05

        SHA1

        dd3e47036d20220e06201f96b208f604401a05af

        SHA256

        7d204d0f8df598dbd16e9bd2baf4ad5cb875e4e59646f54e97f32d150e644579

        SHA512

        aee907d8d2f95b179df0bf063c2a1c53b5624bab1dc939212d518b10dbe136152565bdd0fff61b07943fdafc2c5c1646f442805fc93f96259d4e8fd2823faebb

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

        2.5MB

        MD5

        fde9a81937a6c3f042b9ee2ff99d50e9

        SHA1

        1a1417230bba41932c70fbba132c0b935cdc9bfd

        SHA256

        107f432cabd4a81df7450e54fd9c7e2cf7649b7e542ae2488c79a8c69d775895

        SHA512

        94499c1ddced7ef3f400205d1c5833618a02fec2ba7a941d1942a34a3ef579c0653d4e21548ce8afcfbd1eacd91aa86f5c2e156fc57981fb051ac9ad46d9712c

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

        377KB

        MD5

        4a36a48e58829c22381572b2040b6fe0

        SHA1

        f09d30e44ff7e3f20a5de307720f3ad148c6143b

        SHA256

        3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

        SHA512

        5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

      • C:\Users\Admin\AppData\Local\Temp\执行日志\2024-05-23.txt
        Filesize

        14B

        MD5

        877b01f5b0713614eb2f1cf81346f3bc

        SHA1

        0f32cca971ff4d4e80a6b446f0252309b689e19f

        SHA256

        c56b88d271d089c17cb3cffccba68a7ab91810a4008e288de9ee21f751670a76

        SHA512

        e1de1afe5916bc75e0e6faee7896c9cc345789e86446dd8774a5f5dc40cdcd0658ffe0ac1f6717bd8e61f88afef0feba8d5a49276d3b889cff9d3f244d5a8cf8

      • C:\Users\Admin\AppData\Local\Temp\执行日志\2024-05-23.txt
        Filesize

        74B

        MD5

        f70e052a5b1cff04d78f0f7c0f7b74b4

        SHA1

        d09d27a3f74ae8422bbf7bfd675cde86eb2e877a

        SHA256

        9c34db9781c2b7f5933a7e91751fb83871bca8b7bd993e70db79b3cb64e76781

        SHA512

        15453b3a31f23e85b1bdf5db66d1d42a0276bc35ee1eb43483cb25639cd9166103916e5c099584b2d8d0dc64b28238de5d105b96fb600e5d3fd838a51cf8a7c9

      • C:\Users\Admin\AppData\Local\Temp\执行日志\2024-05-23.txt
        Filesize

        118B

        MD5

        5da406a3de7dadc6b8070b8278a04cf6

        SHA1

        65799b2d5bfc4e8c981b94c1dc8bc48749dfc2a3

        SHA256

        75f51a138069a42ebc7b1e219fb31085447a308d702d7425ecc41eda5cce5acf

        SHA512

        c27bfc4fb02a409185388987f8580148f6fbedd04922c93443aa06e9dcdbd5c2a5e0b75705bbe5aa905cd560e441aae206c843568949ed2ee66289ae6ac4e703

      • C:\Users\Admin\AppData\Local\Temp\执行日志\2024-05-23.txt
        Filesize

        138B

        MD5

        a279e29ecb99a603a32272b5f7d43973

        SHA1

        f66639936a438dc1ebcdd4f78136ea08006de52c

        SHA256

        44cb9bc2718c3460c2cee66511a982e6289a38fb88b7a4f1acbd4a6037b45af7

        SHA512

        3636b3675498d7e8180edb3852d13ee765176e7023eef8f2f1a760ef5171235f5ed61c86e03e1f2e26f707fee802509fffbacc702672a3a206c9f14703def2f7

      • C:\Users\Admin\AppData\Local\Temp\执行日志\2024-05-23.txt
        Filesize

        202B

        MD5

        4e0fa839da97f7fc354936ec84bd3881

        SHA1

        37b5fe0fec1f2c3df47eb40d6a52373eef54fb40

        SHA256

        783739979033a0b053347d1469d1ad9c2698f40ff28c2b38616237db90a95926

        SHA512

        7245b5b4d6005e547833283a6c84c8626b5b5a7fc8461015a9685885552a632496890db31fc4962d7058b25c1700e321a1ca4f2195d9884e2a45afeb4bd5bba5

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

        43KB

        MD5

        51138beea3e2c21ec44d0932c71762a8

        SHA1

        8939cf35447b22dd2c6e6f443446acc1bf986d58

        SHA256

        5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

        SHA512

        794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

      • \Users\Admin\AppData\Local\Temp\HD_c98c53fb92b5b90244104748292f57928aaa67cfb23fcc5f9349e3846dd28484.exe
        Filesize

        6.8MB

        MD5

        5bc525d1bd2fff2bbea7c33147d7c35d

        SHA1

        1c994ca39dc002dd9c4aa27940e3be8870aafe1c

        SHA256

        f2499c9fb07f00989e1c40151be41ed68b6cfa5848e125abfe92e24e1ab44395

        SHA512

        57ff9ebaeaef9ba9d42cf65c1bea973a76d3bc1a25fd058ead8ee52836668e67168d734355a336109d3e82eae72bfbb035a04457cba954806e1359611604e547

      • \Users\Admin\AppData\Local\Temp\R.exe
        Filesize

        941KB

        MD5

        8dc3adf1c490211971c1e2325f1424d2

        SHA1

        4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

        SHA256

        bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

        SHA512

        ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

      • \Windows\SysWOW64\259396590.txt
        Filesize

        899KB

        MD5

        0d9cdad2851786dd773ca93c0c279eb3

        SHA1

        60804fdf3d03f1f49567867ee8928facc24933cb

        SHA256

        7c958b62723986430ccd457ab03f07a4508cd642e8ee09a13ec7181951f651eb

        SHA512

        29dea394d78102975daf75ad85b179543458486fb8b487b627f2c7652bd0f324273a372088fa44c3c018d779654db2f1c3e28a8a8b0e369c448d0a14413d8223

      • memory/772-103-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-111-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-91-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-143-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-141-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-140-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-137-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-134-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-129-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-127-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-125-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-123-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-93-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-121-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-119-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-118-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-113-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-217750-0x0000000008510000-0x000000000855E000-memory.dmp
        Filesize

        312KB

      • memory/772-110-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-107-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-106-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-97-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-101-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/772-100-0x0000000007750000-0x0000000008363000-memory.dmp
        Filesize

        12.1MB

      • memory/1564-82-0x0000000006DA0000-0x00000000079BA000-memory.dmp
        Filesize

        12.1MB

      • memory/1564-90-0x00000000079C0000-0x00000000085D8000-memory.dmp
        Filesize

        12.1MB

      • memory/2436-78-0x0000000000400000-0x0000000000ADF000-memory.dmp
        Filesize

        6.9MB

      • memory/2488-20-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2488-21-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2488-18-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2500-51-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2500-50-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2500-46-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB