Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-03-2024 22:55

General

  • Target

    LastActivityView.exe

  • Size

    130KB

  • MD5

    f27a284ef9b018cdd2a98a7b78ccdcb3

  • SHA1

    67e260b11e6227c18cae8925b4f6899103c607f2

  • SHA256

    af86dc3f76d39b67b967a3b714e9e70ed43eec8d3871e9691cb45d84372b53fb

  • SHA512

    9a8811f13517748539308a70933b126a3348407f397bf30f903019379f927532c64015853b94acf21bdbc554d638a0265d4394d026e289103db06fe93fe5524b

  • SSDEEP

    3072:5e69eWHZXp1nPDhhloZqX6EsSiEF4Gw1aqL1p7BZ5CJ/:5e/+1nrhPKqX6EsS94H8B

Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LastActivityView.exe
    "C:\Users\Admin\AppData\Local\Temp\LastActivityView.exe"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3372
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4996
    • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffad17a3cb8,0x7ffad17a3cc8,0x7ffad17a3cd8
      2⤵
        PID:2032
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,12978244702530796066,9858358290251273029,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1936 /prefetch:2
        2⤵
          PID:4064
        • 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=1916,12978244702530796066,9858358290251273029,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2312 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1908
        • 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=1916,12978244702530796066,9858358290251273029,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2764 /prefetch:8
          2⤵
            PID:804
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,12978244702530796066,9858358290251273029,131072 --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=3252 /prefetch:1
            2⤵
              PID:4756
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,12978244702530796066,9858358290251273029,131072 --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=3272 /prefetch:1
              2⤵
                PID:1408
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,12978244702530796066,9858358290251273029,131072 --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=4548 /prefetch:1
                2⤵
                  PID:5096
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,12978244702530796066,9858358290251273029,131072 --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=4840 /prefetch:1
                  2⤵
                    PID:4964
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1916,12978244702530796066,9858358290251273029,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5252 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3944
                  • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1916,12978244702530796066,9858358290251273029,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5340 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2040
                • C:\Windows\System32\CompPkgSrv.exe
                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                  1⤵
                    PID:756
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:1048

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                      Filesize

                      152B

                      MD5

                      caaacbd78b8e7ebc636ff19241b2b13d

                      SHA1

                      4435edc68c0594ebb8b0aa84b769d566ad913bc8

                      SHA256

                      989cc6f5cdc43f7bac8f6bc10624a47d46cbc366c671c495c6900eabc5276f7a

                      SHA512

                      c668a938bef9bbe432af676004beb1ae9c06f1ba2f154d1973e691a892cb39c345b12265b5996127efff3258ebba333847df09238f69e95f2f35879b5db7b7fc

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                      Filesize

                      152B

                      MD5

                      7c194bbd45fc5d3714e8db77e01ac25a

                      SHA1

                      e758434417035cccc8891d516854afb4141dd72a

                      SHA256

                      253f8f4a60bdf1763526998865311c1f02085388892f14e94f858c50bf6e53c3

                      SHA512

                      aca42768dcc4334e49cd6295bd563c797b11523f4405cd5b4aeb41dec9379d155ae241ce937ec55063ecbf82136154e4dc5065afb78d18b42af86829bac6900d

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                      Filesize

                      5KB

                      MD5

                      d7f44e1939757aef7e580a6e1c5ba01b

                      SHA1

                      828622a99f249c09d00a8f289d9b1a2f64ad2ec5

                      SHA256

                      a3bbfd3ab83165d478229a028506f6cf5e05ca9c14193a69df2d20f3f9a07994

                      SHA512

                      21eadeb05bdf86d534c5de239832938f2c0e3eba71d20cd49f2895a432faccd133226359dd324eaabe923a40cc52541d4b4ea70f34685d9a81d6f74b0f2464e3

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                      Filesize

                      5KB

                      MD5

                      f6c2c3106b1241b53891ec2444c7d4f3

                      SHA1

                      07c8fc96fc1304ea35f95307c84b6f81a344a774

                      SHA256

                      97644b28e3d22a90f6e4f3f0d2239f52f14214c4d0a0c51559083dd7c3ab4085

                      SHA512

                      c2e4bff064c533df9263459a754cc57c5d415762de9fbcb3c9e03132954b0b9ce6836cd5ef29ac540e0d6d899dbbd32fb397a82a10ebc5b05331c89ede529019

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                      Filesize

                      16B

                      MD5

                      6752a1d65b201c13b62ea44016eb221f

                      SHA1

                      58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                      SHA256

                      0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                      SHA512

                      9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                      Filesize

                      11KB

                      MD5

                      7c08708ccd13170821d32a9f7dafebaa

                      SHA1

                      0c8f2b4c618bb75013c4fa02717293b63f67de21

                      SHA256

                      95c1d84a0aa2576ad2c1c20829cc343a73cab1bce827d44013d6bcdf45cfd0b6

                      SHA512

                      6a98c461de97960f46ad78d4fc7f3736aef9de92258e4c75181e42f6462becfcd26235c77614e3e4639c81acc6bcdb9724273c23c1af6317c4bb632b805c87f5