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Resubmissions

09/10/2024, 23:28

241009-3gd62a1dkd 7

09/10/2024, 23:25

241009-3d8lgawhkr 7

Analysis

  • max time kernel
    175s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 23:25

General

  • Target

    Nezur.exe

  • Size

    27.3MB

  • MD5

    5ed13dc119c01160f107fcb5720d4925

  • SHA1

    1a1fba531b6fc6c934a8187eae681de505f059ba

  • SHA256

    29ef187b2f8b30dfcce52e559444af5e7816bb941b6ce0641dee17569c1c2cd8

  • SHA512

    04941d0c9aa4637dcde8357f3f1f4f6a77316d344b84743197cded78aa368aaef54fce92b87439f17fd9f523027b9f63f1f47bc10398ecc3d7de363fc6ec11f5

  • SSDEEP

    393216:PUtcwvbK3tNkLauq105tx+izCtkdlN9Ri+a7hGB3XANJU70v+oQBN9oUHoH7FS7:PqcwOK3x9d9rN9RuhWHAbv+oQB3tSS

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nezur.exe
    "C:\Users\Admin\AppData\Local\Temp\Nezur.exe"
    1⤵
      PID:2076
    • 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:2888
      • 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,0x7fef6d89758,0x7fef6d89768,0x7fef6d89778
        2⤵
          PID:2328
        • 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=1152 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:2
          2⤵
            PID:1700
          • 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=1532 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:8
            2⤵
              PID:3056
            • 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=1588 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:8
              2⤵
                PID:3060
              • 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=2324 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:1
                2⤵
                  PID:2656
                • 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=2344 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:1
                  2⤵
                    PID:704
                  • 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=1296 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:2
                    2⤵
                      PID:2296
                    • 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=3208 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:1
                      2⤵
                        PID:2080
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3432 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:8
                        2⤵
                          PID:1540
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3416 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:8
                          2⤵
                            PID:2220
                          • C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe
                            "C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --reenable-autoupdates --system-level
                            2⤵
                              PID:2852
                              • C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe
                                "C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x154,0x158,0x15c,0x128,0x160,0x1402c7688,0x1402c7698,0x1402c76a8
                                3⤵
                                  PID:1568
                              • 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=3660 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:8
                                2⤵
                                  PID:2860
                                • 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=12 --mojo-platform-channel-handle=3752 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:1
                                  2⤵
                                    PID:1852
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=2568 --field-trial-handle=1284,i,5866631867260966881,1672430455257399445,131072 /prefetch:8
                                    2⤵
                                      PID:1784
                                  • 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:1440
                                    • C:\Windows\system32\AUDIODG.EXE
                                      C:\Windows\system32\AUDIODG.EXE 0x504
                                      1⤵
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:2968

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                                      Filesize

                                      16B

                                      MD5

                                      aefd77f47fb84fae5ea194496b44c67a

                                      SHA1

                                      dcfbb6a5b8d05662c4858664f81693bb7f803b82

                                      SHA256

                                      4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                                      SHA512

                                      b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                                    • 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

                                      4f448550af08ec92bf88688bb084cb77

                                      SHA1

                                      8fbf06d004c75ed07a7e698b2d5da22b6438da5b

                                      SHA256

                                      34563247c01b4fbdb1c8c4a8dd2eb304968591d98cf69d2fb8afd457c70bf9b3

                                      SHA512

                                      2647cc1b84f41d0b3d3f0a43e05ded7399bc86e7f44f0a4a507f7f0d19f18f0b284447d7c0c9b1befec9ebb613c69cd3136d7c16e347822c524ae160d5fd386a

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

                                      Filesize

                                      6KB

                                      MD5

                                      8e97754d571c4eef5cda6f35bf1edd28

                                      SHA1

                                      d112c107f3fc6bf81901cacd0f7dd7ea4704ff05

                                      SHA256

                                      08a2b8b96f01f2263bd631d6f12f385458dae287d9dc01f75e3fca8e8e6b2599

                                      SHA512

                                      fa02bdecf1c34dc1ba15517ec5b3bfd361155016120ee1d5a3f035500ef00b2c0e811e40b8aef4a37ee575adf0676648dc84eb9aaa83764a9846aa803c66161d

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                                      Filesize

                                      16B

                                      MD5

                                      18e723571b00fb1694a3bad6c78e4054

                                      SHA1

                                      afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                      SHA256

                                      8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                      SHA512

                                      43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                                      Filesize

                                      340KB

                                      MD5

                                      91775fa3c0b82a1e81df395379c4a7c1

                                      SHA1

                                      c1bcd4b70d73f0607696627c28110cff8b71c36d

                                      SHA256

                                      5da0ac8d7dffaf4654df1694f52bb7147173608d47cbb6005f924031ffed3de2

                                      SHA512

                                      da037ec9c725e392a378e6af36808052cf06e4efa9c9734f0f524d49abeac9e18fe256a71077e02618fc47854a6a1c94fdda53ad25b095fc2ace2f5b7c58d8f7

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

                                      Filesize

                                      340KB

                                      MD5

                                      b1cfbfb945de8be7cb1eb9616edd086e

                                      SHA1

                                      04c22990b6759c292eb305793fca7e7a045c5f1d

                                      SHA256

                                      88130e973f7463208d5832dbfa7e500d55901b593ec6fcda99f66a9769aee6f3

                                      SHA512

                                      9a0e50c4d4d7a6e142d45d317a125fcea1b18d7420502c65c5d8876c4efa7e09ec6831f9779d5e704bfac32c15f1882e4c5a691620182ea29b6b7f2c39cf0f17