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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05/09/2024, 02:15

General

  • Target

    Voice.ai-Downloader.exe

  • Size

    477KB

  • MD5

    40ffaea0c96bc8fd1ac022ecf287980b

  • SHA1

    c9ff64fecee39aa1a4f1c930d6b6ad423e1b1c14

  • SHA256

    100dba151efe66c842fde4337857fd3db4568c1e3ee008e412927e67ed72094e

  • SHA512

    cc0f2ff6b650644564d7469031c96fcaf93b9dd82318eda244abb65970d2e5697ba27bb0c62e31f4f654cc031ac7f19f0692f444674fd174f9acbc201c8944dd

  • SSDEEP

    3072:ckBGWOsTIJgIDU5A/cNo68pMABlZQ2wpFD0ra42L5GYDxJ0ytta:c1ssjH5Mp2w7g+42LUS6

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 6 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 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 data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 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:\Users\Admin\AppData\Local\Temp\Voice.ai-Downloader.exe
    "C:\Users\Admin\AppData\Local\Temp\Voice.ai-Downloader.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:700
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    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:3564
    • 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,0x100,0x104,0xd8,0x108,0x7ffa645fcc40,0x7ffa645fcc4c,0x7ffa645fcc58
      2⤵
        PID:1924
      • 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=1792,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=1748 /prefetch:2
        2⤵
          PID:1056
        • 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=2120,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2128 /prefetch:3
          2⤵
            PID:232
          • 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=2208,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2224 /prefetch:8
            2⤵
              PID:2272
            • 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=3112,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3240 /prefetch:1
              2⤵
                PID:2180
              • 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=3160,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3300 /prefetch:1
                2⤵
                  PID:3132
                • 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=4448,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4444 /prefetch:1
                  2⤵
                    PID:3116
                  • 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=4760,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4780 /prefetch:8
                    2⤵
                      PID:2076
                    • 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=9 --field-trial-handle=4896,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4392 /prefetch:1
                      2⤵
                        PID:760
                      • 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=10 --field-trial-handle=4396,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=5072 /prefetch:1
                        2⤵
                          PID:4652
                        • 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=11 --field-trial-handle=3420,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3440 /prefetch:1
                          2⤵
                            PID:2000
                          • 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=12 --field-trial-handle=5040,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=5152 /prefetch:1
                            2⤵
                              PID:2680
                            • 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=3244,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=5156 /prefetch:8
                              2⤵
                              • Drops file in System32 directory
                              • Suspicious behavior: EnumeratesProcesses
                              PID:1412
                            • 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=14 --field-trial-handle=3828,i,766978258956646922,8708784574317163912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3356 /prefetch:1
                              2⤵
                                PID:2356
                            • 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:1604
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:1480

                                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\02166423-2b68-45d4-be1e-17dbcb9be9df.tmp

                                  Filesize

                                  9KB

                                  MD5

                                  5299552c84dc2e34ecb8bb0fad189918

                                  SHA1

                                  c2ef67ccc208d87ae56d8b63dcbf98c7204c42a9

                                  SHA256

                                  f41aeaaf3dde3ba9893eaf746004ad18efe7707109cb2697ba43b2ce23336944

                                  SHA512

                                  d138d7ccc1e35c0f6cbb03233b07e76b62880a7d00c9d379ebf32fd1cbfe9f9e465778765f67b8253ec27cfaa1b7f2ecf7b9a9623fea4791fd0aeee094dd5f71

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

                                  Filesize

                                  649B

                                  MD5

                                  7dadc6e82e06ab610ea06e4710dd2b9b

                                  SHA1

                                  1262346bee3a83429d0614c006902bdfe71bb2f5

                                  SHA256

                                  ef5789191a381f760a856852f2fb8f32db52591da6995340862d9a354733a780

                                  SHA512

                                  70b65ef7cc8ac94fe1693e38054e0b75f47234088c366db230e31a891b995083c14cf5d55d1d5fdf6d16a0b37b0723411ccc190461df7f405ed0d64319b8116c

                                • 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\Preferences

                                  Filesize

                                  9KB

                                  MD5

                                  1307430bfc204643a5cb646dbc4af99e

                                  SHA1

                                  1d911ae18f997f0e73d41f342f55cf93d550e19f

                                  SHA256

                                  9f2dcc42d646da5ae845e68c9ded3bfc72b05f99ca5f4ad7050fc3a554f12e72

                                  SHA512

                                  a20e5ec9d577de063618f9d2d86808b530e6ee48c9414f112273028637b3a9165363fd81ecffb83919bacf2e48d331ecace99b4069e2ac99e211876f4ad41e4a

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

                                  Filesize

                                  9KB

                                  MD5

                                  92b7cb4d6561f691639ddd6fcfb6e07c

                                  SHA1

                                  9b5a9865f41ae1d1bd8f2f54daa96a1e08f461e8

                                  SHA256

                                  4621ae688cac472888e8d5ea47d3fd5655b01fd59f56f8ede4186115c7b6debb

                                  SHA512

                                  a094d2e4a63c5afefd7b11ecf850040f8eca6cb1bd4b45b74222ac7d27e464b836c0362bf2541e106a8af030e91a10b5fa5469d4f4ec912c3fbe38983e8100db

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

                                  Filesize

                                  9KB

                                  MD5

                                  9c063514963799e7cc8893ba5e3731a7

                                  SHA1

                                  edfafbaaa78773dfd2ab7ef04ddd27612dfef419

                                  SHA256

                                  2c57a3284e25ad47286799a7c47d7aa356aeb677a3729fe45c8e28f733f6d1cd

                                  SHA512

                                  8f1229c7c3389c1d7aa5d799fad1e341b130e81bf4fd2459e684729ac4873d059311186c496ef98c012dff54686eb1c8a5c2948a36dee421bf4a170cd02314a8

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

                                  Filesize

                                  9KB

                                  MD5

                                  2482bf514ba21d3019c92323a4fe8fee

                                  SHA1

                                  f54f06c1849de8512a19cd62d0911637b8668e7d

                                  SHA256

                                  a52de1f1a36f0c2ca831176ab22bdfa21c712330d4b9c865cf429c0ea93247c8

                                  SHA512

                                  e68710700a5c7a3b75f50caeb26060fc8c915a4b5f879a0f6f7314bcdd631d93fc6911bf6648729e7bacbb960b8240ddfd3ac24bdf919835558fa5ef9d9a8ffa

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

                                  Filesize

                                  9KB

                                  MD5

                                  1bb24b6f6ea45585dfd0507480fc70f2

                                  SHA1

                                  b71abcb782c1541b2169ba750368fb30b00a6db0

                                  SHA256

                                  2649fe3f4e8ed3d83c3af5bad9029b8cbb28b37385dd55c7d3dfd569e7147b99

                                  SHA512

                                  764189a60dca50c5078fe6e30dbb6dd996f1efd334b973adae2dd114f180d262a316f2adc4f95df4b2ff833f98dfbd70b012d81d7436e2266355b48fe0ff8d5d

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

                                  Filesize

                                  9KB

                                  MD5

                                  d2c6c9aa083796dfe8fc23bdf9f0ef91

                                  SHA1

                                  35e3ff59b6518885a897f0045042ffdb2e5e75e5

                                  SHA256

                                  26d0ec19a83ffe359a9ae1433ebe3b2fe65cb923badd82424efe4ad802e9ba48

                                  SHA512

                                  87c204e0845b683c4949cb466e1d271310388c9c052a2cc8219d97839e175d645b086139269c23d45c09add6e3790afc0c2797a180df378b30b9d36cd11d7346

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

                                  Filesize

                                  9KB

                                  MD5

                                  6313f9373761c2b8ee853a4001b29d77

                                  SHA1

                                  5213c11db8b61d9b4fd52f77f765062810bd7baf

                                  SHA256

                                  c11a1983d1198ec473b1ae2c9bb98df61ccf69707b45e8945dda606057600a72

                                  SHA512

                                  bbd38e57ce76a026e673105b3ef13244b152b9efc12d7b1230275d173edc6cfe08defbb431df5651cf2af17bf68a327fdcca00891d1529a416f01c142579a310

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

                                  Filesize

                                  9KB

                                  MD5

                                  c47664915490f6961f3203b12a7986cc

                                  SHA1

                                  50e6cb88ee861aa5b0fc76c7f7ca56c86f059dfc

                                  SHA256

                                  f6e4db4f3bc55a4e6393dd0cd5a7211ae8d4a9ac998b5147b40dbe112969ea01

                                  SHA512

                                  7da2d767e13111e4457a86f6adaa2da4376f15ab3bdb5cf269af41ac963e393ed81fd5f75250d8219eab1c8b5ae3fabf0d24327a77f0ed41b9d25472980a84a8

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

                                  Filesize

                                  99KB

                                  MD5

                                  257ac3a714ee112b2290951b02c3d77f

                                  SHA1

                                  ac7a39dbb45133b7146b274a456ee1935716860e

                                  SHA256

                                  fbd525d5816e8bf18d5481afc85fc665c5177dcb8b17e10626815161309cda50

                                  SHA512

                                  8b31cf97f5782732f392215a5859c8272413ee27281511ad57beab54ecdfa5692745a6d0b9b3fa76ccb5066596afe833c0f3fc3ab32b8d46b7ff39e8f80a310d

                                • C:\Users\Admin\AppData\Local\Temp\nssC0EF.tmp\INetC.dll

                                  Filesize

                                  21KB

                                  MD5

                                  2b342079303895c50af8040a91f30f71

                                  SHA1

                                  b11335e1cb8356d9c337cb89fe81d669a69de17e

                                  SHA256

                                  2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

                                  SHA512

                                  550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

                                • C:\Users\Admin\AppData\Local\Temp\nssC0EF.tmp\System.dll

                                  Filesize

                                  12KB

                                  MD5

                                  792b6f86e296d3904285b2bf67ccd7e0

                                  SHA1

                                  966b16f84697552747e0ddd19a4ba8ab5083af31

                                  SHA256

                                  c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

                                  SHA512

                                  97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c