Analysis

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

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 17:28

General

  • Target
    d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe
  • Size 3.0MB
  • Sample240528-v2fxcsdc6v
  • SHA256 d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 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 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 8 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 22 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks system information in the registry 2 TTPs 2 IoCs

    System information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe
    "C:\Users\Admin\AppData\Local\Temp\d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3444
      • 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\RVN.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4140
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3304
    • C:\Users\Admin\AppData\Local\Temp\HD_d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Users\Admin\AppData\Local\Temp\HD_d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe
        "C:\Users\Admin\AppData\Local\Temp\HD_d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe" Admin
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2760
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.178stu.com/my.htm
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4736
          • C:\Users\Admin\AppData\Local\Temp\RVN.exe
            C:\Users\Admin\AppData\Local\Temp\\RVN.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2924
            • 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\RVN.exe > nul
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4616
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 2 127.0.0.1
                7⤵
                • Runs ping.exe
                PID:4080
          • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Checks system information in the registry
            • Enumerates system info in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:3868
            • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffcc9d346f8,0x7ffcc9d34708,0x7ffcc9d34718
              6⤵
              • Executes dropped EXE
              PID:2580
            • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=gpu-process --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2100 /prefetch:2
              6⤵
              • Executes dropped EXE
              PID:3768
            • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2200 /prefetch:3
              6⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:3624
            • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3056 /prefetch:8
              6⤵
              • Executes dropped EXE
              PID:600
            • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=renderer --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3408 /prefetch:1
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              PID:780
            • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=renderer --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3436 /prefetch:1
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              PID:4496
            • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=renderer --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4696 /prefetch:1
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              PID:2060
            • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=renderer --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4728 /prefetch:1
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              PID:1580
            • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4040 /prefetch:8
              6⤵
                PID:2796
              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4040 /prefetch:8
                6⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:3320
              • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=renderer --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4072 /prefetch:1
                6⤵
                • Executes dropped EXE
                PID:1440
              • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=renderer --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5132 /prefetch:1
                6⤵
                • Checks computer location settings
                • Executes dropped EXE
                PID:548
              • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=renderer --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4792 /prefetch:1
                6⤵
                • Checks computer location settings
                • Executes dropped EXE
                PID:2824
              • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe" --type=gpu-process --field-trial-handle=2016,17389010170318971082,937727242297688783,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1740 /prefetch:2
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                PID:4056
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4700
      • C:\Windows\SysWOW64\TXPlatforn.exe
        C:\Windows\SysWOW64\TXPlatforn.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:216
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4684
      • C:\Windows\SysWOW64\TXPlatforn.exe
        C:\Windows\SysWOW64\TXPlatforn.exe -acsi
        2⤵
        • Executes dropped EXE
        PID:880
    • C:\Windows\System32\CompPkgSrv.exe
      C:\Windows\System32\CompPkgSrv.exe -Embedding
      1⤵
        PID:2796
      • C:\Windows\System32\CompPkgSrv.exe
        C:\Windows\System32\CompPkgSrv.exe -Embedding
        1⤵
          PID:3148

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              HD_msedge.exe

              • Path C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
              • Size 3.2MB
              • SHA256 73d84d249f16b943d1d3f9dd9e516fadd323e70939c29b4a640693eb8818ee9a
              • MD5 SHA1 SHA512 SSDEEP

              msedge.exe

              • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              • Size 4.3MB
              • SHA256 f1830954c0b22ac81a3be46492c1f7dd0d91e146783e04d24119959a6ebd31b6
              • MD5 SHA1 SHA512 SSDEEP

              settings.dat

              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
              • Size 152B
              • SHA256 ef7baeb1b2ab05ff3c5fbb76c2759db49294654548706c7c8e87f0cde855b86b
              • MD5 SHA1 SHA512

              settings.dat

              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
              • Size 152B
              • SHA256 d824b742eace197ddc8b6ed5d918f390fde4b0fbf0e371b8e1f2ed40a3b6455c
              • MD5 SHA1 SHA512

              Preferences

              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
              • Size 5KB
              • SHA256 f70ea92041c537539f2653758014de7abbb62c19ab5d19522952b481031c30fb
              • MD5 SHA1 SHA512 SSDEEP

              Preferences

              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
              • Size 6KB
              • SHA256 7aa2aefaf94d985539d8e5b18499325f3c5733a9a7cd0ad41ae4abeb363e87a2
              • MD5 SHA1 SHA512 SSDEEP

              CURRENT

              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
              • Size 16B
              • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
              • MD5 SHA1 SHA512

              CURRENT

              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
              • Size 16B
              • SHA256 1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167
              • MD5 SHA1 SHA512

              Local State

              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
              • Size 11KB
              • SHA256 9d786071ef6742bfd9652294c6745f16ab53b67730956612382c8ac934f83775
              • MD5 SHA1 SHA512 SSDEEP

              HD_X.dat

              • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
              • Size 1.2MB
              • SHA256 3892b5097ac17db1798fbd6c375c8089fa4198a34a0de1bf52cd8356a86f09ac
              • MD5 SHA1 SHA512 SSDEEP

              HD_d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe

              • Path C:\Users\Admin\AppData\Local\Temp\HD_d03251955fe23b21f471c714139041a7bf3d68dbb473db1c42009ab4387b2302.exe
              • Size 1.8MB
              • SHA256 8f4a93e879dd4627fb3e653b7907af42b76c5cd47fec957cbaeed3c74c6bd06a
              • MD5 SHA1 SHA512 SSDEEP

              RVN.exe

              • Path C:\Users\Admin\AppData\Local\Temp\RVN.exe
              • Size 377KB
              • SHA256 57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
              • MD5 SHA1 SHA512 SSDEEP

              hosts

              • Path C:\Windows\system32\drivers\etc\hosts
              • Size 822B
              • SHA256 1bdd8f1dd7bd82b5b2313d8770dfe4f41cd3f45bbaeab8b8a7f75fc5e2d3720b
              • MD5 SHA1 SHA512

              memory/216-33-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/216-34-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/216-25-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/216-29-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/1988-80-0x0000000000400000-0x00000000005E4000-memory.dmp

              memory/2760-86-0x0000000000400000-0x00000000005E4000-memory.dmp

              memory/2760-83-0x0000000000400000-0x00000000005E4000-memory.dmp

              memory/3444-10-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/3444-5-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/3444-7-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/3444-6-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/3768-129-0x00007FFCD7E70000-0x00007FFCD7E71000-memory.dmp

              memory/4700-35-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/4700-15-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/4700-13-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/4700-17-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/4700-16-0x0000000010000000-0x00000000101B6000-memory.dmp