Resubmissions

09/03/2024, 17:26

240309-vz93esdd27 1

09/03/2024, 17:24

240309-vy7kxadh5v 8

09/03/2024, 17:24

240309-vyv7wadh4x 1

Analysis

  • max time kernel
    85s
  • max time network
    90s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/03/2024, 17:24

General

  • Target

    https://cdn.discordapp.com/attachments/1137051887514964049/1137052151038885888/StickyCosmetics.dll?ex=65fdaad6&is=65eb35d6&hm=068d42af87d7506d46db186c8081deda244565e63b9be94daac4c3e5a918dc32&

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 13 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://cdn.discordapp.com/attachments/1137051887514964049/1137052151038885888/StickyCosmetics.dll?ex=65fdaad6&is=65eb35d6&hm=068d42af87d7506d46db186c8081deda244565e63b9be94daac4c3e5a918dc32&
    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:4404
    • 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,0x100,0x104,0xd8,0x108,0x7ffdde2a46f8,0x7ffdde2a4708,0x7ffdde2a4718
      2⤵
        PID:3312
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2256,13434077201564725851,5536756234517816173,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2276 /prefetch:2
        2⤵
          PID:4076
        • 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=2256,13434077201564725851,5536756234517816173,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2348 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3392
        • 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=2256,13434077201564725851,5536756234517816173,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2944 /prefetch:8
          2⤵
            PID:3320
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2256,13434077201564725851,5536756234517816173,131072 --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=3400 /prefetch:1
            2⤵
              PID:764
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2256,13434077201564725851,5536756234517816173,131072 --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=3404 /prefetch:1
              2⤵
                PID:2736
              • 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=2256,13434077201564725851,5536756234517816173,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5324 /prefetch:8
                2⤵
                  PID:1032
                • 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=2256,13434077201564725851,5536756234517816173,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5324 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:224
                • 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=2256,13434077201564725851,5536756234517816173,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5568 /prefetch:8
                  2⤵
                    PID:4188
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2256,13434077201564725851,5536756234517816173,131072 --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=5580 /prefetch:1
                    2⤵
                      PID:3700
                    • 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=2256,13434077201564725851,5536756234517816173,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5980 /prefetch:8
                      2⤵
                        PID:2524
                      • 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=2256,13434077201564725851,5536756234517816173,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5464 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1744
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2256,13434077201564725851,5536756234517816173,131072 --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=2136 /prefetch:1
                        2⤵
                          PID:2572
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2256,13434077201564725851,5536756234517816173,131072 --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=1752 /prefetch:1
                          2⤵
                            PID:4960
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2256,13434077201564725851,5536756234517816173,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5548 /prefetch:1
                            2⤵
                              PID:1072
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2256,13434077201564725851,5536756234517816173,131072 --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=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5716 /prefetch:1
                              2⤵
                                PID:2312
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:648
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:1992
                                • C:\Windows\system32\OpenWith.exe
                                  C:\Windows\system32\OpenWith.exe -Embedding
                                  1⤵
                                  • Modifies registry class
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  • Suspicious use of SetWindowsHookEx
                                  PID:4964
                                  • C:\Windows\system32\NOTEPAD.EXE
                                    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\StickyCosmetics.dll
                                    2⤵
                                    • Opens file in notepad (likely ransom note)
                                    PID:5488

                                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

                                  fd7944a4ff1be37517983ffaf5700b11

                                  SHA1

                                  c4287796d78e00969af85b7e16a2d04230961240

                                  SHA256

                                  b54b41e7ce5600bc653aa7c88abb666976872b2d5e2d657bfc1147a0b49e9d74

                                  SHA512

                                  28c58a2ccf39963a8d9f67ea5b93dbccf70b0109b2c8a396a58389cdec9db1205523a95730485bcbc9d533867cbf0e7167ad370fd45740e23656d01d96ee543b

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

                                  Filesize

                                  152B

                                  MD5

                                  a774512b00820b61a51258335097b2c9

                                  SHA1

                                  38c28d1ea3907a1af6c0443255ab610dd9285095

                                  SHA256

                                  01946a2d65e59b66ebc256470ff4861f32edee90a44e31bf67529add95cafef4

                                  SHA512

                                  ce109be65060a5e7a872707c6c2ccce3aacd577e59c59d6e23e78d03e3d502f2707713fda40a546ed332e41a56ef90297af99590a5ab02f686a58bcbf3a82da1

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

                                  Filesize

                                  186B

                                  MD5

                                  094ab275342c45551894b7940ae9ad0d

                                  SHA1

                                  2e7ce26fe2eb9be641ae929d0c9cc0dfa26c018e

                                  SHA256

                                  ef1739b833a1048ee1bd55dcbac5b1397396faca1ad771f4d6c2fe58899495a3

                                  SHA512

                                  19d0c688dc1121569247111e45de732b2ab86c71aecdde34b157cfd1b25c53473ed3ade49a97f8cb2ddc4711be78fa26c9330887094e031e9a71bb5c29080b0d

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

                                  Filesize

                                  6KB

                                  MD5

                                  7a0b5d8bdea7512193c3ec3b18d6a64c

                                  SHA1

                                  9b9637f3894b31a5ad8a5a313bbfb4937f1511ab

                                  SHA256

                                  15b528e6da0df80e457f834ede246e58edc34c7a3e8300d5623e400f3cbb5378

                                  SHA512

                                  2d7329452a84f39c9623d7767b3d5991e01149eff4b4a1150a58e613dfd2c20a4d171024e825e1d5fc91f15b964cc9c2d6b610b66777fb88901774991821c4dc

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

                                  Filesize

                                  6KB

                                  MD5

                                  85224f443c7f85b32ea011692988a5f3

                                  SHA1

                                  3cde291248e1b2fda3e799c103809c0c945b8bfa

                                  SHA256

                                  0be35a96944d603bdbdd7facf2c716d41f6e977849fc73fa310cc62b87e04540

                                  SHA512

                                  69874a863b7cee70bf7c58f21eddd3583cf7ebdb68e0ebb0dea14ca06d1a9d60ece805f5e5f67df4f510e6478ab2b653350f7e451e3ce0f38f021d7b41b44099

                                • 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

                                  157bddf0463a6542d8ce3a9db65e0a31

                                  SHA1

                                  61f63afeeb6da34e7c2499abf9e297c8ea82dde5

                                  SHA256

                                  484e3418cdddaf84ff17998b139f41b0ee6c22c88d1b886e576b723732f751d7

                                  SHA512

                                  b6ef1f44609d928163bf2b4b008f7f7fa6026a71c8dcd34d64dd01fd03b49525aeb8a0eb5fb04d252a67ac185833eaad9a5dd0dd8c3b2fa4231cec0e6e73cb08

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

                                  Filesize

                                  11KB

                                  MD5

                                  5bcc438e8a766a962d3a6b4847da29b9

                                  SHA1

                                  9a5eb1d2ef83b2a70696b6dd55bf53643264b8cc

                                  SHA256

                                  85d5237195e06cad9edb2a0b7170cf83714db336e34ccfe619e8bdb82b3203fc

                                  SHA512

                                  cefd5d40070409cce2ff1b5ff00198a5b972823c23928ae140090b9a2f69d3a04107c968d9bff7a87f147a1f8a2a493d99786d5bd9f1ab0ad6ee91d1ac3098fa

                                • C:\Users\Admin\Downloads\StickyCosmetics.dll

                                  Filesize

                                  6KB

                                  MD5

                                  86d9b7aacfe3e0bc14d906bc78ae9e5f

                                  SHA1

                                  50ec6cd9fc407e3f736b5d60aaecaafee9db3819

                                  SHA256

                                  4dc034cf2eb15db27a6060dcc2866cb80e28c5558b99f38e244da36e9b55b3bc

                                  SHA512

                                  714cc44bfa06ed342ed9dc67a263750da1af4099f1adf65c47f3595c2a1e7e8b323616f1e3d26873599c7df5ebc63377d6ed4ff6020a81552cd09b76b5d2183c