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Analysis

  • max time kernel
    31s
  • max time network
    32s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/08/2024, 14:45

General

  • Target

    https://github.com/frankwick/t/raw/main/tinytask.exe

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 33 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/frankwick/t/raw/main/tinytask.exe
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4192
    • 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,0x100,0x104,0xd8,0x108,0x7ff9ada746f8,0x7ff9ada74708,0x7ff9ada74718
      2⤵
        PID:1836
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2004,14065904873415747729,13106023587317349085,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2020 /prefetch:2
        2⤵
          PID:2796
        • 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=2004,14065904873415747729,13106023587317349085,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2464 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4828
        • 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=2004,14065904873415747729,13106023587317349085,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2876 /prefetch:8
          2⤵
            PID:1268
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2004,14065904873415747729,13106023587317349085,131072 --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=3380 /prefetch:1
            2⤵
              PID:4560
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2004,14065904873415747729,13106023587317349085,131072 --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=3388 /prefetch:1
              2⤵
                PID:3480
              • 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=2004,14065904873415747729,13106023587317349085,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4892 /prefetch:8
                2⤵
                  PID:1684
                • 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=2004,14065904873415747729,13106023587317349085,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4892 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4496
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2004,14065904873415747729,13106023587317349085,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5152 /prefetch:8
                  2⤵
                    PID:388
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2004,14065904873415747729,13106023587317349085,131072 --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=5220 /prefetch:1
                    2⤵
                      PID:4520
                    • 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.UtilReadIcon --field-trial-handle=2004,14065904873415747729,13106023587317349085,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6112 /prefetch:8
                      2⤵
                        PID:2440
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2004,14065904873415747729,13106023587317349085,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6240 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1532
                      • C:\Users\Admin\Downloads\tinytask.exe
                        "C:\Users\Admin\Downloads\tinytask.exe"
                        2⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        • Modifies registry class
                        • Suspicious use of SetWindowsHookEx
                        PID:2960
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:2688
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:3844

                        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

                          e4f80e7950cbd3bb11257d2000cb885e

                          SHA1

                          10ac643904d539042d8f7aa4a312b13ec2106035

                          SHA256

                          1184ee8d32d0edecddd93403fb888fad6b3e2a710d37335c3989cc529bc08124

                          SHA512

                          2b92c9807fdcd937e514d4e7e1cc7c2d3e3aa162099b7289ceac2feea72d1a4afbadf1c09b3075d470efadf9a9edd63e07ea7e7a98d22243e45b3d53473fa4f0

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

                          Filesize

                          152B

                          MD5

                          2dc1a9f2f3f8c3cfe51bb29b078166c5

                          SHA1

                          eaf3c3dad3c8dc6f18dc3e055b415da78b704402

                          SHA256

                          dcb76fa365c2d9ee213b224a91cdd806d30b1e8652d72a22f2371124fa4479fa

                          SHA512

                          682061d9cc86a6e5d99d022da776fb554350fc95efbf29cd84c1db4e2b7161b76cd1de48335bcc3a25633079fb0bd412e4f4795ed6291c65e9bc28d95330bb25

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

                          Filesize

                          261B

                          MD5

                          2c2e6472d05e3832905f0ad4a04d21c3

                          SHA1

                          007edbf35759af62a5b847ab09055e7d9b86ffcc

                          SHA256

                          283d954fa21caa1f3b4aba941b154fab3e626ff27e7b8029f5357872c48cbe03

                          SHA512

                          8c4ce1ea02da6ffb7e7041c50528da447d087d9ee3c9f4a8c525d2d856cf48e46f5dd9a1fedd23dd047634e719c8886457f7e7240aa3cc36f1a6216e4c00ee37

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

                          Filesize

                          6KB

                          MD5

                          cb2bd71cd0d1800ec037118821dbf20d

                          SHA1

                          cdaaf0a41ab437821f62579ae9ffa710500a229f

                          SHA256

                          1e32bc6fd284996628e97ab6519e318f74dbb422167e611e3e79739c0cd1e571

                          SHA512

                          ebd87ceed66c503a7755a3e1a55506c11f538f5b737999145cfe0f85cc883f6e4dcc8e2ecc13eae0ba3b092d2fd9ebc28e16d84c12818da60c9838a8cb14fc6d

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

                          Filesize

                          6KB

                          MD5

                          c55d4fdd4c78bd12975f1755dc24cd50

                          SHA1

                          6a5408bfce57df4a36c1f56e4eabdc33dd18f333

                          SHA256

                          f600a893cdd7218f8e602746086c7af1f9ffea82089ce72cb433a20d62330b55

                          SHA512

                          16fb1f3f2dd301a6bc2709a643e8abc6881f35c6afde0abbf4f74dfcc595b99899ffd9491d24da631f5cce0635a9fe225eb110caf4814f1e71b38b251a23f5b4

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

                          Filesize

                          6KB

                          MD5

                          93334c65c07cfb4203c12e0df08eb059

                          SHA1

                          9a235dd41ff9a61294afccd4ea33469c38d29cbc

                          SHA256

                          dcd58c658ec3ca38c2081613c025a12692dace96c750770d473b3b2388f09e7f

                          SHA512

                          15d21eae764c59811f54a9928de8dc5a1bd22366893094fc8ad899dab5603d48a26ca461d4849dc7dbbbac878bd495e0d22b9e79b631d863e95184689c97d605

                        • 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

                          0e52563777b74a26f7f005e920cdcfa9

                          SHA1

                          c70a9297d67722e2eb9d7578eed4065e09a0b4d5

                          SHA256

                          d0fc42939a586d3fea995f7a69f2cdaced8bbd4ba2c534eeb5613e533afcb68a

                          SHA512

                          0e8e87dd4acfd2f6973b674c776c31672d85508a8a7872b07f6d275026cb69b9b88c08606a02644fc50295ecec1c6dc4d29ee6afa1b832000746d202e57c5d09

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

                          Filesize

                          11KB

                          MD5

                          81e9aa884c2deed991e161f09ce39936

                          SHA1

                          932f1b4e9780bcad344b4a5c13874d793719573d

                          SHA256

                          e837ef0a2603168db2a5ef5586ac4468b8afe36b513201035beaec4c6ee17a77

                          SHA512

                          f3fa59d36fd8c76d60d2e92fd15657585589fe930d41c4a00b980bf89550a240a9e90e513b398e47017cddf163720bedf99d774bdcc1df3eeb2cb4f832d0b3cf

                        • C:\Users\Admin\Downloads\Unconfirmed 459329.crdownload

                          Filesize

                          35KB

                          MD5

                          8fd3551654f0f5281ddbd7e32cb73054

                          SHA1

                          9b1c9722847cd57cd11e4de80cd9e8197c3c34cd

                          SHA256

                          75e06ac5b7c1adb01ab994633466685e3dcef31d635eba1734fe16c7893ffe12

                          SHA512

                          a716f535e363fc1225b1665e1c24693e768d13699ea37bdf57effe4fea24b4b30a2181174f66c35e749b9c845b07f82eecbf282ee5972de0426f847293d46b4b