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
    25/06/2024, 11:39

General

  • Target
    d2e305f35990297f5340697f791ff42e1197a923b7e7090ecd7acef300829960.exe
  • Size 2.1MB
  • Sample240625-nskqmaxdnh
  • SHA256 d2e305f35990297f5340697f791ff42e1197a923b7e7090ecd7acef300829960
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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
  • Server Software Component: Terminal Services DLL 1 TTPs 1 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 24 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 6 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
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 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\d2e305f35990297f5340697f791ff42e1197a923b7e7090ecd7acef300829960.exe
    "C:\Users\Admin\AppData\Local\Temp\d2e305f35990297f5340697f791ff42e1197a923b7e7090ecd7acef300829960.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1156
      • 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\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4444
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:512
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:4196
    • C:\Users\Admin\AppData\Local\Temp\HD_d2e305f35990297f5340697f791ff42e1197a923b7e7090ecd7acef300829960.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d2e305f35990297f5340697f791ff42e1197a923b7e7090ecd7acef300829960.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3292
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://pc.weixin.qq.com/
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2344
        • C:\Users\Admin\AppData\Local\Temp\svchost.exe
          C:\Users\Admin\AppData\Local\Temp\\svchost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3352
          • 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\svchost.exe > nul
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3996
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 2 127.0.0.1
              6⤵
              • Runs ping.exe
              PID:2176
        • C:\Users\Admin\AppData\Local\Temp\svchos.exe
          C:\Users\Admin\AppData\Local\Temp\\svchos.exe
          4⤵
          • Executes dropped EXE
          PID:1240
        • C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\HD_msedge.exe"
          4⤵
          • 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:1252
          • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7fff0aea46f8,0x7fff0aea4708,0x7fff0aea4718
            5⤵
            • Executes dropped EXE
            PID:4672
          • 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=2072,2132716914953529137,1994107675652823566,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2112 /prefetch:2
            5⤵
            • Executes dropped EXE
            PID:1160
          • 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=2072,2132716914953529137,1994107675652823566,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2516 /prefetch:3
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:1216
          • 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=2072,2132716914953529137,1994107675652823566,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2860 /prefetch:8
            5⤵
            • Executes dropped EXE
            PID:2572
          • 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=2072,2132716914953529137,1994107675652823566,131072 --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=3492 /prefetch:1
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            PID:4600
          • 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=2072,2132716914953529137,1994107675652823566,131072 --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=3504 /prefetch:1
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            PID:4668
          • 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=2072,2132716914953529137,1994107675652823566,131072 --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=4392 /prefetch:1
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            PID:4704
          • 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=2072,2132716914953529137,1994107675652823566,131072 --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=3820 /prefetch:1
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            PID:1608
          • 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=2072,2132716914953529137,1994107675652823566,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4916 /prefetch:8
            5⤵
              PID:560
            • 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=2072,2132716914953529137,1994107675652823566,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4916 /prefetch:8
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3844
            • 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=2072,2132716914953529137,1994107675652823566,131072 --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=4992 /prefetch:1
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              PID:4464
            • 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=2072,2132716914953529137,1994107675652823566,131072 --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=5008 /prefetch:1
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              PID:5068
            • 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=2072,2132716914953529137,1994107675652823566,131072 --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=3608 /prefetch:1
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              PID:4344
            • 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=2072,2132716914953529137,1994107675652823566,131072 --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=1708 /prefetch:2
              5⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2980
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4996
      • 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:1656
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
        PID:4620
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
        1⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:3780
        • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
          C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240601218.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:5004
      • C:\Windows\SysWOW64\TXPlatforn.exe
        C:\Windows\SysWOW64\TXPlatforn.exe -auto
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4348
        • C:\Windows\SysWOW64\TXPlatforn.exe
          C:\Windows\SysWOW64\TXPlatforn.exe -acsi
          2⤵
          • Executes dropped EXE
          PID:3224
      • C:\Windows\System32\CompPkgSrv.exe
        C:\Windows\System32\CompPkgSrv.exe -Embedding
        1⤵
          PID:1256
        • C:\Windows\System32\CompPkgSrv.exe
          C:\Windows\System32\CompPkgSrv.exe -Embedding
          1⤵
            PID:4236

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                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 4.7MB
                • SHA256 a9108eb8a8681d809e485f0c82ef1f808e99a1d83b453be1aa014355ea6d1b7b
                • MD5 SHA1 SHA512 SSDEEP

                settings.dat

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                • Size 152B
                • SHA256 247d0658695a1eb44924a32363906e37e9864ba742fe35362a71f3a520ad2654
                • MD5 SHA1 SHA512

                settings.dat

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                • Size 152B
                • SHA256 c8077a9fc79e2691ef321d556c4ce9933ca0570f2bbaa32fa32999dfd5f908bb
                • MD5 SHA1 SHA512

                Preferences

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                • Size 5KB
                • SHA256 a3de32a748d62f99ab75af86ef8fad0ae3a2cb67b7ad0800a09832b9cdd6ef64
                • MD5 SHA1 SHA512 SSDEEP

                CURRENT

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                • Size 16B
                • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                • MD5 SHA1 SHA512

                Local State

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                • Size 8KB
                • SHA256 193fce91c88235370b4b3e44de189d7af7d04db47e8dfaf1a0743846bea55df5
                • MD5 SHA1 SHA512 SSDEEP

                HD_X.dat

                • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
                • Size 1.6MB
                • SHA256 040a276b6a4c0e567d4dff2c36331e8746a737a39db5b830441ef971e8d4ac47
                • MD5 SHA1 SHA512 SSDEEP

                HD_d2e305f35990297f5340697f791ff42e1197a923b7e7090ecd7acef300829960.exe

                • Path C:\Users\Admin\AppData\Local\Temp\HD_d2e305f35990297f5340697f791ff42e1197a923b7e7090ecd7acef300829960.exe
                • Size 558KB
                • SHA256 aef253640e5aae96460b734d449af8d93f941aebda3399f5df91a8c0a8e91546
                • MD5 SHA1 SHA512 SSDEEP

                svchos.exe

                • Path C:\Users\Admin\AppData\Local\Temp\svchos.exe
                • Size 93KB
                • SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
                • MD5 SHA1 SHA512 SSDEEP

                svchost.exe

                • Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
                • Size 377KB
                • SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
                • MD5 SHA1 SHA512 SSDEEP

                240601218.txt

                • Path C:\Windows\SysWOW64\240601218.txt
                • Size 50KB
                • SHA256 8413afad05347abd78f5dae4978213171c52fb3b5eab1137f6228206bc5ebd06
                • MD5 SHA1 SHA512 SSDEEP

                Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

                • Path C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
                • Size 60KB
                • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
                • MD5 SHA1 SHA512 SSDEEP

                memory/1156-5-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/1156-6-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/1156-10-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/1156-7-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/1160-223-0x0000026D0AA00000-0x0000026D0AB15000-memory.dmp

                memory/1160-143-0x00007FFF19130000-0x00007FFF19131000-memory.dmp

                memory/1656-47-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/1656-50-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/1656-21-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/1656-41-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/4996-16-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/4996-24-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/4996-17-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/4996-13-0x0000000010000000-0x00000000101B6000-memory.dmp

                memory/4996-15-0x0000000010000000-0x00000000101B6000-memory.dmp