Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    31-12-2024 18:57

General

  • Target

    https://aka.ms/AAb9ysg

Malware Config

Signatures

  • sample_rule 7 IoCs
  • Detected potential entity reuse from brand MICROSOFT.
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://aka.ms/AAb9ysg
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4400
    • 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:4 --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=123.0.6312.123 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff994dacc40,0x7ff994dacc4c,0x7ff994dacc58
      2⤵
        PID:2120
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1784,i,15891957558375458339,2684277028487603969,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1780 /prefetch:2
        2⤵
          PID:3088
        • 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 --no-appcompat-clear --field-trial-handle=2060,i,15891957558375458339,2684277028487603969,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2116 /prefetch:3
          2⤵
            PID:6080
          • 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=service --no-appcompat-clear --field-trial-handle=2160,i,15891957558375458339,2684277028487603969,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2348 /prefetch:8
            2⤵
              PID:4656
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3064,i,15891957558375458339,2684277028487603969,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3096 /prefetch:1
              2⤵
                PID:544
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3076,i,15891957558375458339,2684277028487603969,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3248 /prefetch:1
                2⤵
                  PID:776
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4284,i,15891957558375458339,2684277028487603969,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4440 /prefetch:1
                  2⤵
                    PID:2788
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=3244,i,15891957558375458339,2684277028487603969,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4584 /prefetch:8
                    2⤵
                      PID:3492
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=10.0.22000.1 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=4648,i,15891957558375458339,2684277028487603969,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3724 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:3576
                  • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                    1⤵
                      PID:1684
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:1596

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\D3DSCache\cb00da9ba77862e\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

                        Filesize

                        64KB

                        MD5

                        b5ad5caaaee00cb8cf445427975ae66c

                        SHA1

                        dcde6527290a326e048f9c3a85280d3fa71e1e22

                        SHA256

                        b6409b9d55ce242ff022f7a2d86ae8eff873daabf3a0506031712b8baa6197b8

                        SHA512

                        92f7fbbcbbea769b1af6dd7e75577be3eb8bb4a4a6f8a9288d6da4014e1ea309ee649a7b089be09ba27866e175ab6f6a912413256d7e13eaf60f6f30e492ce7f

                      • C:\Users\Admin\AppData\Local\D3DSCache\cb00da9ba77862e\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

                        Filesize

                        4B

                        MD5

                        f49655f856acb8884cc0ace29216f511

                        SHA1

                        cb0f1f87ec0455ec349aaa950c600475ac7b7b6b

                        SHA256

                        7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba

                        SHA512

                        599e93d25b174524495ed29653052b3590133096404873318f05fd68f4c9a5c9a3b30574551141fbb73d7329d6be342699a17f3ae84554bab784776dfda2d5f8

                      • C:\Users\Admin\AppData\Local\D3DSCache\cb00da9ba77862e\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

                        Filesize

                        1008B

                        MD5

                        d222b77a61527f2c177b0869e7babc24

                        SHA1

                        3f23acb984307a4aeba41ebbb70439c97ad1f268

                        SHA256

                        80dc3ffa698e4ff2e916f97983b5eae79470203e91cb684c5ccd4ff1a465d747

                        SHA512

                        d17d836ea77aeaff4cd01f9c7523345167a4a6bc62528aac74acde12679f48079d75d159e9cea2e614da50e83c2dcd92c374c899ea6c4fe8e5513d9bf06c01ff

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

                        Filesize

                        649B

                        MD5

                        cc3a460835e848b039c8f0f7f2e0171f

                        SHA1

                        0dbdb9417ad610ae4a4801752d66f62217ec6483

                        SHA256

                        9a3466033b153eea94f1f738541181fb313a47a37816ca5c402418144b7eac5b

                        SHA512

                        4df4e7168bc0acd031ad8998fc715cacffa19780677cde81599beebcc6730d9432cfa303ecb548c64dd253393151ed9fc54dee10d3195113c1ae95f8fa9d569e

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

                        Filesize

                        2KB

                        MD5

                        3c4e094e2a0d745d4272867608a2749e

                        SHA1

                        5beb6262afb1be0a76a7bb9834177f7468d02f9c

                        SHA256

                        c700de9dade30834cc362055cfa6505496bc5a0e201ac11171cbe1216c3cce69

                        SHA512

                        008b68b008c5b9ada098d34413fbb822a6c5e28342bc90377f5a6ae7c8c8a6e2f8ffb49d8458937c919004db7bf79dc8afa574c876a8ff266e9cd81c6f3ec133

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                        Filesize

                        2B

                        MD5

                        d751713988987e9331980363e24189ce

                        SHA1

                        97d170e1550eee4afc0af065b78cda302a97674c

                        SHA256

                        4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                        SHA512

                        b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                        Filesize

                        859B

                        MD5

                        d7d0aa439cc8280d75006ec7956915e4

                        SHA1

                        cdcbf5fb684cf3ce48acca09543149bdda45bd27

                        SHA256

                        62a52463d84bb7da1760cc1e3e48be4e0dc80327498dc106948f86c37698abde

                        SHA512

                        38546d9433e8d5d3428eb1d703f4d2f4d03d03e453ee82af9c52d37f394ed1ae413d55ab1b36fbdf311ec9e673ff135772bb7581b86743d7475606a8cdfa265a

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

                        Filesize

                        9KB

                        MD5

                        d310d9f45e1d55326ebcd34a6c2e33f4

                        SHA1

                        49d80751678bceaa17d760abf0c7614f733f827f

                        SHA256

                        a8175ba748031d2827207f776caa92e8c27f8370d8ed1593e617c492f23a7419

                        SHA512

                        265eedbb13d7ec9373c6c5c9ff557094838cd0b0d43d81ba46a55f990f385cf2fb4e72de2d13210d29c993504e7868d35f6b362133cc7b871dcf173fa5d1f052

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

                        Filesize

                        9KB

                        MD5

                        47073e6e4ff0bbf9b776f0802a423672

                        SHA1

                        5e146972d79975285e177f391636a11d3bde64fc

                        SHA256

                        979beb3e69361b423679e8873f3784c75b7d399da7526a9a3ce6e1a0d7bd2003

                        SHA512

                        45d2719fd0153b15c30c547e61e416da62621a9d832ae549acf58042151e0d9fb264e0aee755f45e43b2ff2cb46a6a6e070122f6553c018e5b4791c4a66509d7

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

                        Filesize

                        9KB

                        MD5

                        c8d24dd2c54e3d6ca0bf5cc3f6ca8965

                        SHA1

                        66c3d82ab953b9b641fc3d97dad6d46a986f7fe2

                        SHA256

                        a3ec82302e161c569c26f7e47e3e14e32b981bda4913d92a340fe169ef7290cb

                        SHA512

                        045ca4f4e600750d6ff8dac0a12bc66b172cd0b5d4b1c8df8670923e91c60442099f7e686ef16c9be333a27a76390b04329b59d99d61717abc86c677dc9e2cd5

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

                        Filesize

                        9KB

                        MD5

                        da85668733a1aeca9b1e83450361a400

                        SHA1

                        dfcaf2fc2cfc5531e94acb871abec46f7eebde2f

                        SHA256

                        f2b296a3b294f90d486c3c11e17db15c1a31e5f8e919e86fae27d0e2db7c409d

                        SHA512

                        9645d86c820f6c608b999c414c8e5c1826f7fff97a494ffda273af0c06bfef714e0a362f0f0fd6036869c8b8a2de461a8dd3db01b32ac759d5ac3abad646804a

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

                        Filesize

                        9KB

                        MD5

                        a4e650af844ce3ec2032576565470bce

                        SHA1

                        2e697898e913346ad52da02156b63d397a99aa62

                        SHA256

                        323a7bc524bf29f8ff550613acccea6cb17c90764ed19363f7f0e871ce1553cf

                        SHA512

                        221aa6f8ddea9083c123fe5ff344f35622ca20954c80e3b44716e2f3fb9706683244e694ac4ccfd5116bfd387785b97a1bfae6aa47f715cc88414ec2c997fb67

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

                        Filesize

                        9KB

                        MD5

                        aed2b53724b705ec7d4432a1b575e553

                        SHA1

                        bc05588f8d6d9d8385992b6f478e7445ae9b0937

                        SHA256

                        6d0fc185f82037a939153b5e5d358b5da7c33d98b816376fe2133475dcec03c4

                        SHA512

                        ff74121a0f663b650493fb0ae25f0e925081a2b6513fa6273ee98101951cf4614fec5c0958aa8354e8e36ed4ffa91cfcc2d3d6e4e1ea85a51b6299f835d0e344

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

                        Filesize

                        228KB

                        MD5

                        b4999e119aa1a97eed0a096bccb7b724

                        SHA1

                        0bfa94373098dbf38ee951ce80103accef692f6c

                        SHA256

                        46d12e1ad3758ddc59ea84629ff8ab5e3a00c8c3b48470bf5cd2c60ce49e95bf

                        SHA512

                        d331ed71868eccdb128c8077bfb7d1cf14f500913b9193965b25d10d82828111d8f7fe5dfafd65e43c5da201a88d5f859f3873cc01df59ae716bdeadde3ed058

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

                        Filesize

                        228KB

                        MD5

                        278ec59c78f4d589472401c55a42a90a

                        SHA1

                        433465d12baa651dba60b4e41da1c3ea3834adc9

                        SHA256

                        84b379b0234de72d085637bfe64d5db2c746721a171d6ccaf4dfd7769bcd6794

                        SHA512

                        d4cba74c39848e4f326f7cb36626fcc9f0bb0f027ae485bcba59d714f761e31e9d7ed8b9ad4e558b71993712931d4f3a053c9fa813100f5d33d56be777c9ca32