Resubmissions

05/10/2023, 10:29

231005-mjl2naad8y 1

05/10/2023, 10:26

231005-mgvk1sad7y 1

05/10/2023, 10:13

231005-l88fhscb77 4

Analysis

  • max time kernel
    207s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    05/10/2023, 10:29

General

  • Target

    Załącznik bez tytułu 00005.txt

  • Size

    3KB

  • MD5

    0b2dc2e83f323a486701b52d66890f27

  • SHA1

    7fdc3ded1f1726bb8d3b9529c664bfe63513481f

  • SHA256

    0b904b65a73569cc77d093bce433ca4d03fadc32826eca972b6985da311893e5

  • SHA512

    b95af038450154468f9aef81e852f819b99968ae4b3c671a514088bd97d2721d4568c7b65e7dbfdb0c3fa095312735cd289c8397a03fb8e727b87298ad0f95ba

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE "C:\Users\Admin\AppData\Local\Temp\Załącznik bez tytułu 00005.txt"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4136
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Documents\Załącznik bez tytułu 00005.html
    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:1936
    • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ffc481a46f8,0x7ffc481a4708,0x7ffc481a4718
      2⤵
        PID:4024
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,13545885537673568881,4603892872750890441,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2192 /prefetch:2
        2⤵
          PID:1064
        • 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=2172,13545885537673568881,4603892872750890441,131072 --lang=es --service-sandbox-type=none --mojo-platform-channel-handle=2252 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4844
        • 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=2172,13545885537673568881,4603892872750890441,131072 --lang=es --service-sandbox-type=utility --mojo-platform-channel-handle=2820 /prefetch:8
          2⤵
            PID:1416
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13545885537673568881,4603892872750890441,131072 --lang=es --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=3396 /prefetch:1
            2⤵
              PID:2012
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13545885537673568881,4603892872750890441,131072 --lang=es --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=3436 /prefetch:1
              2⤵
                PID:1060
              • 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=2172,13545885537673568881,4603892872750890441,131072 --lang=es --service-sandbox-type=none --mojo-platform-channel-handle=5076 /prefetch:8
                2⤵
                  PID:4180
                • 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=2172,13545885537673568881,4603892872750890441,131072 --lang=es --service-sandbox-type=none --mojo-platform-channel-handle=5076 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4276
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13545885537673568881,4603892872750890441,131072 --lang=es --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=5264 /prefetch:1
                  2⤵
                    PID:3644
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13545885537673568881,4603892872750890441,131072 --lang=es --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=5212 /prefetch:1
                    2⤵
                      PID:4548
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13545885537673568881,4603892872750890441,131072 --lang=es --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=3556 /prefetch:1
                      2⤵
                        PID:2384
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13545885537673568881,4603892872750890441,131072 --lang=es --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=5448 /prefetch:1
                        2⤵
                          PID:5044
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,13545885537673568881,4603892872750890441,131072 --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=1076 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4416
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:2908
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:208

                          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

                                  f95638730ec51abd55794c140ca826c9

                                  SHA1

                                  77c415e2599fbdfe16530c2ab533fd6b193e82ef

                                  SHA256

                                  106137874d86d602d1f4af7dac605f3470ec7a5d69b644b99d502bb38925bbd3

                                  SHA512

                                  0eb01b446d876886066783242381d214a01e2d282729a69b890ae2b6d74d0e1325a6bd4671738ebe3b6ecadc22ceb00f42348bad18d2352896ed3344cc29f78a

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

                                  Filesize

                                  111B

                                  MD5

                                  285252a2f6327d41eab203dc2f402c67

                                  SHA1

                                  acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                  SHA256

                                  5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                  SHA512

                                  11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                  Filesize

                                  5KB

                                  MD5

                                  b6d1405441b13aaff79141e336f776a1

                                  SHA1

                                  2bac823f77cab7c3b94517db516375a29ebe38bd

                                  SHA256

                                  8c929c2e019fabce2bd958e652dd16dfe4f45027f1eededb7b1f037c92d1e0b1

                                  SHA512

                                  460d158834fad55f8c335faa377c53a791a25ee269d2c08033e1c960d1960ac96d4cc78b0f612401b41220d63e7f001090f166e9ccd37ba1610b0d2be8dc955f

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

                                  Filesize

                                  5KB

                                  MD5

                                  ea9a34bc67849e7a36a531c7bd304ddc

                                  SHA1

                                  02327a62ba4a1b19276c1c45b13647ee76b869a6

                                  SHA256

                                  e8eeb12f947e90293b5a0f9707c2147f3568f79e6f77db62f8ee622f86fbfd50

                                  SHA512

                                  5f44b481c3a04fb21a4bd4ecd8d328aa44d6d21c4502d73fa632adc900924f12c7fff4ac255b6458684eb0bb31fb5235fc4c7b33c64d30ff80eb2fd7246c8139

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

                                  Filesize

                                  24KB

                                  MD5

                                  4a078fb8a7c67594a6c2aa724e2ac684

                                  SHA1

                                  92bc5b49985c8588c60f6f85c50a516fae0332f4

                                  SHA256

                                  c225fb924400745c1cd7b56fffaee71dce06613c91fbbb9aa247401ccb49e1ee

                                  SHA512

                                  188270df5243186d00ca8cc457f8ab7f7b2cd6368d987c3673f9c8944a4be6687b30daf8715429bd1b335391118d0ce840e3cb919ff4138c6273b286fb57b2b6

                                • 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

                                  10KB

                                  MD5

                                  345de64579b08e3413453640feeb51ac

                                  SHA1

                                  bf2f753079802d3c47a98c5ecfc7ecdbdca76203

                                  SHA256

                                  6943d1fb76d8ee51f6056454a77fa01e6d4e9f08f9e7311a300c46abe19310f5

                                  SHA512

                                  b1af4f225992e2877a1fda891e5e8fd27c67c5c392ca0cee23ac3aa501d6f962f8d1d7e3673162480a421c539b366fad241f65f6d218e12d95cb388be153577b

                                • C:\Users\Admin\Documents\Załącznik bez tytułu 00005.html

                                  Filesize

                                  3KB

                                  MD5

                                  0b2dc2e83f323a486701b52d66890f27

                                  SHA1

                                  7fdc3ded1f1726bb8d3b9529c664bfe63513481f

                                  SHA256

                                  0b904b65a73569cc77d093bce433ca4d03fadc32826eca972b6985da311893e5

                                  SHA512

                                  b95af038450154468f9aef81e852f819b99968ae4b3c671a514088bd97d2721d4568c7b65e7dbfdb0c3fa095312735cd289c8397a03fb8e727b87298ad0f95ba