Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-02-2024 14:19

General

  • Target

    a20fe99e37526127d61383eff57edec3.exe

  • Size

    78KB

  • MD5

    a20fe99e37526127d61383eff57edec3

  • SHA1

    afc0d1378d9d71203858e91b6ef242ca4f18affa

  • SHA256

    c710ee9b1584a42860f4a7e053be09e06e7793b4eef3fafbc2f9930136fbb4c2

  • SHA512

    a22c062bdc4836ada27f7b6c8d90c14d1d5f4f1e5162b6aa8cbc77043aa20a53f6181cf50174050ce14da30c083d2a009ed671cf53c8756d37bfbfaf0fd163bc

  • SSDEEP

    1536:Cn4V5FXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQt96R9/L17U:g4V5FSyRxvY3md+dWWZym9/6

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • 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 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a20fe99e37526127d61383eff57edec3.exe
    "C:\Users\Admin\AppData\Local\Temp\a20fe99e37526127d61383eff57edec3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=a20fe99e37526127d61383eff57edec3.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1048
      • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffcccfc46f8,0x7ffcccfc4708,0x7ffcccfc4718
        3⤵
          PID:4432
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2100 /prefetch:2
          3⤵
            PID:2784
          • 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=2088,16114626988719408506,6395739722461232875,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4224
          • 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=2088,16114626988719408506,6395739722461232875,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2660 /prefetch:8
            3⤵
              PID:4880
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=3292 /prefetch:1
              3⤵
                PID:212
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=3276 /prefetch:1
                3⤵
                  PID:3108
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=4852 /prefetch:1
                  3⤵
                    PID:772
                  • 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=2088,16114626988719408506,6395739722461232875,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5472 /prefetch:8
                    3⤵
                      PID:3024
                    • 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=2088,16114626988719408506,6395739722461232875,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5472 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1292
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4100 /prefetch:1
                      3⤵
                        PID:1032
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=4092 /prefetch:1
                        3⤵
                          PID:3332
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=3544 /prefetch:1
                          3⤵
                            PID:4324
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=5892 /prefetch:1
                            3⤵
                              PID:3124
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4700 /prefetch:1
                              3⤵
                                PID:2968
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=4728 /prefetch:1
                                3⤵
                                  PID:4392
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,16114626988719408506,6395739722461232875,131072 --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=1328 /prefetch:2
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:672
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=a20fe99e37526127d61383eff57edec3.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                2⤵
                                  PID:1476
                                  • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffcccfc46f8,0x7ffcccfc4708,0x7ffcccfc4718
                                    3⤵
                                      PID:3496
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3460
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:2404

                                    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

                                      360dd5debf8bf7b89c4d88d29e38446c

                                      SHA1

                                      65afff8c78aeb12c577a523cb77cd58d401b0f82

                                      SHA256

                                      3d9debe659077c04b288107244a22f1b315bcf7495bee75151a9077e71b41eef

                                      SHA512

                                      0ee5b81f0acc82befa24a4438f2ca417ae6fac43fa8c7f264b83b4c792b1bb8d4cecb94c6cbd6facc120dc10d7e4d67e014cdb6b4db83b1a1b60144bb78f7542

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

                                      Filesize

                                      152B

                                      MD5

                                      6fbbaffc5a50295d007ab405b0885ab5

                                      SHA1

                                      518e87df81db1dded184c3e4e3f129cca15baba1

                                      SHA256

                                      b9cde79357b550b171f70630fa94754ca2dcd6228b94f311aefe2a7f1ccfc7b6

                                      SHA512

                                      011c69bf56eb40e7ac5d201c1a0542878d9b32495e94d28c2f3b480772aa541bfd492a9959957d71e66f27b3e8b1a3c13b91f4a21756a9b8263281fd509c007b

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                      Filesize

                                      264B

                                      MD5

                                      bf87945eef909cac360b126c7bba9738

                                      SHA1

                                      ca9244925078744ce4b9a4245104790f6c6da6ed

                                      SHA256

                                      3c60748d18b202afe65d71a983d5d1fc760a3ede0a30b54ec0c3aa4c6e839800

                                      SHA512

                                      15c13b8fa04a140f93da74b473f089267e5191eeaf313ae92d0dc1643e6cf020ba7a0fe790cc8474b065fcf75ed91b66fe6757e452fb6199d756d438796efc6b

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

                                      Filesize

                                      437B

                                      MD5

                                      05592d6b429a6209d372dba7629ce97c

                                      SHA1

                                      b4d45e956e3ec9651d4e1e045b887c7ccbdde326

                                      SHA256

                                      3aacb982b8861c38a392829ee3156d05dfdd46b0ecb46154f0ea9374557bc0fd

                                      SHA512

                                      caa85bdccabea9250e8a5291f987b8d54362a7b3eec861c56f79cebb06277aa35d411e657ec632079f46affd4d6730e82115e7b317fbda55dacc16378528abaa

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

                                      Filesize

                                      6KB

                                      MD5

                                      7e9b9a648ff1bc2437f79be59a272d21

                                      SHA1

                                      9bd10ec0027ea78763163657424717ce7ec83ea7

                                      SHA256

                                      d45c547ab73a0adf1941580fea6a850953072984666e67f50c3394760804a465

                                      SHA512

                                      f0caed8bbc12185fbdf0ce1d5ad9fe5eb35cd63fad779ba15029abcf3668fafbc817d9193347e33eddda5a032972c8a279475abd4845b98d14dbefcf2db61a1b

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

                                      Filesize

                                      6KB

                                      MD5

                                      49f4381d8c94c88d22c7b572a532e086

                                      SHA1

                                      9ecea58295f341771c267812ef568700c51be53b

                                      SHA256

                                      3caccd5231fcaf3cb8b32ae084f8f6f88e2aefead4fec6d10dde40d546252370

                                      SHA512

                                      ccfe50dcd72d3561257a56e5d990698f1f951faf8ab5d5c791868ae2fc878ffe211380a5cd748f85bf2e9d609aacde059447e60fec52c51b722e0b856245e607

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

                                      Filesize

                                      369B

                                      MD5

                                      ce7be24279ede98de4755ae6b9bdda0d

                                      SHA1

                                      1d3d1229c68d26078fe152f73ab16b567682131f

                                      SHA256

                                      bb60ce378a33b090e0de530fbd657d6864787b372c77bbc80da94d0cc7d19515

                                      SHA512

                                      d48219794775b25ba9cbdee4985df45601726e28b24eea20eb1ffca43c4feaf4e2b6cc3ef68696d57bb7fa52de50121367755847ba610b61b7f8ae81a7efff08

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe58216e.TMP

                                      Filesize

                                      367B

                                      MD5

                                      2c41718561ebe74b81fb1261371e798b

                                      SHA1

                                      ab8e94b6e111c1d9dda5096fbf0036d0ed252fcf

                                      SHA256

                                      71d37d40eb48605adfe59ab72c4f8e2fc83dca3d4ccc3d2f91fa0040dac698d2

                                      SHA512

                                      69f9dc336317a74d640054c210949e3e8e6eaae155c634b1356cedf0acf0614205377441680c0e3ed18525b8da5755cfe43765fc64debc987df37510d5573460

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\a31bca42-d1e7-445c-a0c8-be7e88a1ddee.tmp

                                      Filesize

                                      6KB

                                      MD5

                                      fd5ba11c3b2c1baa80fe0366f85fec7e

                                      SHA1

                                      743e0b8debf542f17a6dec5efd5c0605b3be4c76

                                      SHA256

                                      899af8e71de80e4cb4d2dc3da0c48cfd7b392327280837dc77208e424f172c8b

                                      SHA512

                                      48570db2b90630cc742ba39d751811f2a23da0de2166a4c749e960909586d2a3218959dc29589f939adf33d145111a78815832a26bf9c6dc061b31153479ca20

                                    • 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

                                      7844fec42004a5aed329337faedc514d

                                      SHA1

                                      ac65ecf44f50f1d1549a24add7756ce0ebb0bc16

                                      SHA256

                                      fc8cebba89b12a6c5d32669e96704105428984c3431f36516b6c0ac6b3b07f6e

                                      SHA512

                                      53a461438a4ed4150b258752671f41210a5d73d59d68a623d60acd1df6922ef1232322d8261e4aa6541a5fe7d6da2b5e774fe02e9ef0399582042516d5cb716d