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Resubmissions

24/02/2024, 03:12

240224-dp6tksgc7v 6

24/02/2024, 03:08

240224-dmw7csgb9z 6

Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 03:08

General

  • Target

    $PLUGINSDIR/StdUtils.dll

  • Size

    99KB

  • MD5

    98a4efba4e4b566dc3d93d2d9bfcab58

  • SHA1

    8c54ae9fcec30b2beea8b6af4ead0a76d634a536

  • SHA256

    e2ad7736209d62909a356248fce8e554093339b18ef3e6a989a3c278f177ad48

  • SHA512

    2dbc9a71e666ebf782607d3ca108fd47aa6bce1d0ac2a19183cc5187dd342307b64cb88906369784518922a54ac20f408d5a58f77c0ed410e2ccf98e4e9e39a0

  • SSDEEP

    1536:Lyy+HcFWrX52XWcS15c4DBVOw/bEQvWt6uouMw5m0mhdBu4NpBTvO7Fvo6mVS6oN:Oy+8ozImcSNd1YHbMbC

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 224
        3⤵
        • Program crash
        PID:1088
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef67e9758,0x7fef67e9768,0x7fef67e9778
      2⤵
        PID:2516
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1160 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:2
        2⤵
          PID:1184
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1488 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:8
          2⤵
            PID:2696
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1592 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:8
            2⤵
              PID:1120
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2236 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:1
              2⤵
                PID:2020
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2248 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:1
                2⤵
                  PID:1948
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1512 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:2
                  2⤵
                    PID:3044
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=988 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:1
                    2⤵
                      PID:2964
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3676 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:8
                      2⤵
                        PID:1644
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3836 --field-trial-handle=1104,i,2680703866885423531,10627962962198331875,131072 /prefetch:1
                        2⤵
                          PID:1312
                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                        1⤵
                          PID:2084
                        • C:\Windows\explorer.exe
                          "C:\Windows\explorer.exe"
                          1⤵
                            PID:2500

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                            Filesize

                            195KB

                            MD5

                            873734b55d4c7d35a177c8318b0caec7

                            SHA1

                            469b913b09ea5b55e60098c95120cc9b935ddb28

                            SHA256

                            4ee3aa3dc43cb3ef3f6bfb91ed8214659e9c2600a45bee9728ebbcb6f33b088d

                            SHA512

                            24f05ed981e994475879ca2221b6948418c4412063b9c07f46b8de581047ddd5d73401562fa9ee54d4ce5f97a6288c54eac5de0ca29b1bb5797bdac5a1b30308

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                            Filesize

                            264KB

                            MD5

                            f50f89a0a91564d0b8a211f8921aa7de

                            SHA1

                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                            SHA256

                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                            SHA512

                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                            Filesize

                            363B

                            MD5

                            6c065bfe84d07c957a867be1d3a82908

                            SHA1

                            14836b2dc1405001b04026d954c8664d5832bbcf

                            SHA256

                            22f24cdd627d6ee154b9b961fdac4a4e122f40afc78aeab3398169d02b927dbb

                            SHA512

                            c9efdd8a1e24ec0a7873c1577683317263c335bff265ccc13e08d79a6d4d9fcaa493a732578824a1988f4ca966b52c17074426f23cda5da744c156f9c812c2a9

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                            Filesize

                            4KB

                            MD5

                            16b37d50fc790b0c963479e5d25a34f8

                            SHA1

                            e91e706a53a4906c1da00c2448cfca06b5d39232

                            SHA256

                            e22f1bed406bb001c96aec92784384685cf8323e0c1b7300330434176a7c7258

                            SHA512

                            e627cf2174b85813517d3fd20507ca4ecff0efcfefeef2d366d113ebb21b52d011d3d13e9d4bcd5325f6a2b0a377d5e6fc29d0bfa9557df4396c41936887156e

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                            Filesize

                            257KB

                            MD5

                            98a3cad4b2c84f91fe829be177170312

                            SHA1

                            deb3af3f09c1b6a16ff54aff37315034baa369bb

                            SHA256

                            183e5596df725f14d50ab21df2a69a6938b7ab983dc88b14332661b0c7acf86b

                            SHA512

                            605cb31ac656f9ba2f5e775214fc4c908c841117c47614208d066e8217efe1b16630b5b8054217119343df1a0b295205b3a59c77544ddbb6f0b145e3704dff4a

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\a9dc3f10-e700-4dae-b74c-5b0ca061d5ec.tmp

                            Filesize

                            257KB

                            MD5

                            4ff02c5f366e49808c22130eedc317f6

                            SHA1

                            2b312f9a50ba95f33f1ce685f3643da77b6327a4

                            SHA256

                            c49ab917167e908b105ad2fb75025857c4faf090830b3136fa6ba6f92ce54f50

                            SHA512

                            e237d4df0bbcc8ab856568b843f375b40d56c01d33d8302ea9b01dfc037fd39861f80c890a84f3b6bcde15882c1896e9bf9e06abdadb34f01065182b602f9040