Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2024, 09:45

General

  • Target
    764a39a5533d4d34656154c80fc20a2bcab3e93901d00f158db335f30f5d0239.dll
  • Size 4.2MB
  • Sample240328-lrc82sfd89
  • SHA256 764a39a5533d4d34656154c80fc20a2bcab3e93901d00f158db335f30f5d0239
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 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.

  • Mark of the Web detected: This indicates that the page was originally saved or cloned. 1 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\764a39a5533d4d34656154c80fc20a2bcab3e93901d00f158db335f30f5d0239.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:208
    • C:\Windows\system32\msiexec.exe
      msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4492
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3312
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5726F56571FECAE3FB60B12EFB864903
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3132
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-a70097e4-ca27-4892-9ede-1fd7fe4a01ea\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:4588
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:3704
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://openvpn.net/community-downloads/
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:4256
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\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\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffe84ed46f8,0x7ffe84ed4708,0x7ffe84ed4718
          4⤵
            PID:4812
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2092 /prefetch:2
            4⤵
              PID:2188
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2164 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2460
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2944 /prefetch:8
              4⤵
                PID:4824
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --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=3388 /prefetch:1
                4⤵
                  PID:5060
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3396 /prefetch:1
                  4⤵
                    PID:456
                  • 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=2088,647266145250515029,8842324785523493518,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4552 /prefetch:8
                    4⤵
                      PID:1596
                    • 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=2088,647266145250515029,8842324785523493518,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4552 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2956
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4596 /prefetch:1
                      4⤵
                        PID:1080
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4784 /prefetch:1
                        4⤵
                          PID:3704
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --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=5856 /prefetch:1
                          4⤵
                            PID:4872
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --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=4276 /prefetch:1
                            4⤵
                              PID:2160
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --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=5952 /prefetch:1
                              4⤵
                                PID:1848
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6052 /prefetch:1
                                4⤵
                                  PID:556
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6060 /prefetch:1
                                  4⤵
                                    PID:1308
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,647266145250515029,8842324785523493518,131072 --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=4700 /prefetch:2
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3800
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1628
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:340

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 152B
                                      • SHA256 a56135007f4dadf6606bc237cb75ff5ff77326ba093dff30d6881ce9a04a114c
                                      • MD5 SHA1 SHA512

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 152B
                                      • SHA256 7c6b0de6f9b4c3ca1f5d6af23c3380f849825af00b58420b76c72b62cfae44ae
                                      • MD5 SHA1 SHA512

                                      the-real-index

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                      • Size 936B
                                      • SHA256 db1fdac324f984fbc32211f939a8c34c8ea8c71817da280bbc28938afd7fe6af
                                      • MD5 SHA1 SHA512

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                      • Size 2KB
                                      • SHA256 3c3fb623bb52b352601f364853cd0bbc10e5183190837c9714ac2a4d9afea39e
                                      • MD5 SHA1 SHA512

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 7KB
                                      • SHA256 437124a21a6d56f4e1c899f5eae5829379c7e5ea22c53bc14f65010c20400a14
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 6KB
                                      • SHA256 28cbd24c201fe569826123753f5ec876b0a9aeb4083d454685e971344e335c42
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 7KB
                                      • SHA256 397d382b6e669cfabfe992933510860f72e9f9f04412a72f8a77fb672f599d13
                                      • MD5 SHA1 SHA512 SSDEEP

                                      the-real-index

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\c873a2463adba20c0ca18252925970bdb41c9325\91b9a754-9af4-431c-98dc-7e40af970654\index-dir\the-real-index
                                      • Size 120B
                                      • SHA256 9e2f96155d413249a59a2953406bf0c585d23225389006e1c9928872ca084bfc
                                      • MD5 SHA1 SHA512

                                      the-real-index~RFe58119f.TMP

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\c873a2463adba20c0ca18252925970bdb41c9325\91b9a754-9af4-431c-98dc-7e40af970654\index-dir\the-real-index~RFe58119f.TMP
                                      • Size 48B
                                      • SHA256 2a31fba183e17cbf936b90f2d7cff6c0a27b7757496477675e8c382418850431
                                      • MD5 SHA1 SHA512

                                      index.txt

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\c873a2463adba20c0ca18252925970bdb41c9325\index.txt
                                      • Size 88B
                                      • SHA256 1fcc000514ea495c8fb144c7aa4baa5bc5c9d190a5ee46e4d3fbfc258b487c82
                                      • MD5 SHA1 SHA512

                                      index.txt

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\c873a2463adba20c0ca18252925970bdb41c9325\index.txt
                                      • Size 94B
                                      • SHA256 bbf0f0a0579d6262b89a323a7efb9ffc317d2038b4c7a7606c60acc1c929c95e
                                      • MD5 SHA1 SHA512

                                      TransportSecurity

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity
                                      • Size 1KB
                                      • SHA256 723d543cef6699d3be79c645df9de0bac1eea3ddb6aa63e7beda5a67e449902e
                                      • MD5 SHA1 SHA512

                                      TransportSecurity~RFe580923.TMP

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe580923.TMP
                                      • Size 1KB
                                      • SHA256 e14b93f1d54fc6aaff8adb02cf8ca37baf60d074c621c3ed2a97978d17d92701
                                      • MD5 SHA1 SHA512

                                      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 11KB
                                      • SHA256 7e557dac81f563a0227226c31383ed3dcd2a06b407f8c2d7e7a2bab4a2da970a
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 11KB
                                      • SHA256 d4d99180a293bc5cc7e99fa8e108b77b1b438b39102af662eab0d13ccea8bef4
                                      • MD5 SHA1 SHA512 SSDEEP

                                      windrv.msi

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi
                                      • Size 3.6MB
                                      • SHA256 80c70a114ef2803dc481ef9256a5ec5b84c94a43ff7e10dcdfb4c76c5b3101ce
                                      • MD5 SHA1 SHA512 SSDEEP

                                      files.cab

                                      • Path C:\Users\Admin\AppData\Local\Temp\MW-a70097e4-ca27-4892-9ede-1fd7fe4a01ea\files.cab
                                      • Size 2.9MB
                                      • SHA256 6bf8253411aa6dc014eb6f56e0c4aeab375a31116e8b1d7e6c06cc1a37e2ed53
                                      • MD5 SHA1 SHA512 SSDEEP

                                      msiwrapper.ini

                                      • Path C:\Users\Admin\AppData\Local\Temp\MW-a70097e4-ca27-4892-9ede-1fd7fe4a01ea\msiwrapper.ini
                                      • Size 380B
                                      • SHA256 e769e1c0c9d021e47f6b50be43b8f4e769f6394bc40bddd84b55f2e719bb3316
                                      • MD5 SHA1 SHA512

                                      msiwrapper.ini

                                      • Path C:\Users\Admin\AppData\Local\Temp\MW-a70097e4-ca27-4892-9ede-1fd7fe4a01ea\msiwrapper.ini
                                      • Size 1KB
                                      • SHA256 72487d30e65fc7864cadbfbda7c29b852f5e890457470aae793a566ffec07ad4
                                      • MD5 SHA1 SHA512

                                      msiwrapper.ini

                                      • Path C:\Users\Admin\AppData\Local\Temp\MW-a70097e4-ca27-4892-9ede-1fd7fe4a01ea\msiwrapper.ini
                                      • Size 1KB
                                      • SHA256 9abcba12bcdd926f377bbacc103df71194e06f8dcd36401926bab7cd2d1b0d08
                                      • MD5 SHA1 SHA512

                                      MSI759D.tmp

                                      • Path C:\Windows\Installer\MSI759D.tmp
                                      • Size 208KB
                                      • SHA256 fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1
                                      • MD5 SHA1 SHA512 SSDEEP