Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 06:02

General

  • Target

    45b30496e345f89057fa65703d821f5307ebcf135bb5d92be4ca6de263165347.exe

  • Size

    4.3MB

  • MD5

    04d4fae65157534d37d48c35cbdfac88

  • SHA1

    a3cc15f8666b146cc4b27a8fdfce075921e435e1

  • SHA256

    45b30496e345f89057fa65703d821f5307ebcf135bb5d92be4ca6de263165347

  • SHA512

    55cd5e2fce5d9476dfac3aa53b8c80693b362e31a195100ac7b094cd1ed793c0423f680de84d2ba724fb293ea71545a13818cedb94111c70ea9c234f0e48395d

  • SSDEEP

    98304:pws2ANnKXOaeOgmh0OZ0yvcF6xyTcieCVNn4rD18Xj/cad:bKXbeO7qOZTxtiZT818Xj3

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 13 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45b30496e345f89057fa65703d821f5307ebcf135bb5d92be4ca6de263165347.exe
    "C:\Users\Admin\AppData\Local\Temp\45b30496e345f89057fa65703d821f5307ebcf135bb5d92be4ca6de263165347.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2000
    • 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:4764
    • 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:3552
      • 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:3800
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2400
    • C:\Users\Admin\AppData\Local\Temp\HD_45b30496e345f89057fa65703d821f5307ebcf135bb5d92be4ca6de263165347.exe
      C:\Users\Admin\AppData\Local\Temp\HD_45b30496e345f89057fa65703d821f5307ebcf135bb5d92be4ca6de263165347.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:4428
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3608
    • 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:3720
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240638750.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2160
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4456
      • 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:2984
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4372,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
      1⤵
        PID:3800

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\HD_45b30496e345f89057fa65703d821f5307ebcf135bb5d92be4ca6de263165347.exe

        Filesize

        1.8MB

        MD5

        cc40e776a553e013e8fe01eea8296660

        SHA1

        4741d50a37c184d489bbe20e8a696cffbd134ae4

        SHA256

        3be17ae686f0ca24077762055acc5a85a32f5c63394b913fb7b8121544a12a69

        SHA512

        bfd5c8e078e2a9ec96c3dac6989f1751e9dac4ad3111d1cb5fd598031a530cd88f78f4262272387a0ccf4d6491b9310cd763f495072ba0eeb8f34cddd8f59973

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

        Filesize

        2.4MB

        MD5

        345d5943a51f46bfe20bc49555701464

        SHA1

        4563cb3835f1d61b03c93865d6d1756e448dfa7b

        SHA256

        0183a5dfb1e8b9241fc9ef4d4b57791b1e989a557cdcf759beb44e6619af2f47

        SHA512

        4b782626b76fc7281de167013ba51f08b71b863eec35b98378973c4d071500cef522700f752c17acb986af3578f7cd2574360e050c3d646413735b3497676a3c

      • 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:\Windows\SysWOW64\240638750.txt

        Filesize

        899KB

        MD5

        c89b116cd0fba2d168b3f6b47d1305d8

        SHA1

        d0a0dfacc690bfd1a189e86bdbe4a5d595587c25

        SHA256

        3bc1fe2cc3a98ffafd92cc1220bf7b47ee39d2a9ca44922f9ce72e83e58ee58d

        SHA512

        a1f04515cc0a3d77a38409b39f5ff01706274c631e5de7bfae9366e2662f5b0219733dc7d4ebdefcda1b8ecc77bca498e7bd5c61144d9abb5c4b99e910675cfb

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

        Filesize

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/2984-38-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2984-47-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2984-46-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2984-42-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2984-36-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2984-39-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3552-23-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3552-17-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3552-20-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3552-19-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4456-29-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4456-26-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4456-28-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB