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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 06:35

General

  • Target

    https://outlook.office365.com/owa/[email protected]/groupsubscription.ashx?realm=evolent.com&source=WelcomeEmail&sourceversion=V3&action=conversations&subaction=gotogroup

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://outlook.office365.com/owa/[email protected]/groupsubscription.ashx?realm=evolent.com&source=WelcomeEmail&sourceversion=V3&action=conversations&subaction=gotogroup
    1⤵
    • 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:224
    • 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" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffdc4aecc40,0x7ffdc4aecc4c,0x7ffdc4aecc58
      2⤵
        PID:4816
      • 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=1852,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=1840 /prefetch:2
        2⤵
          PID:212
        • 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=2132,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2152 /prefetch:3
          2⤵
            PID:1532
          • 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=2240,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2192 /prefetch:8
            2⤵
              PID:4792
            • 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=3116,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3160 /prefetch:1
              2⤵
                PID:1652
              • 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=3124,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3308 /prefetch:1
                2⤵
                  PID:3416
                • 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=3688,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4520 /prefetch:1
                  2⤵
                    PID:1700
                  • 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=8 --field-trial-handle=3432,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4436 /prefetch:1
                    2⤵
                      PID:368
                    • 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=4896,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4912 /prefetch:8
                      2⤵
                        PID:436
                      • 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=10.0.19041.546 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=4668,i,9639373767514261378,3274335623615788873,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=728 /prefetch:8
                        2⤵
                        • Drops file in System32 directory
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4456
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
                      1⤵
                        PID:4740
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:2396

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                          Filesize

                          240B

                          MD5

                          66315f15b09e40add94f9d85efc750ec

                          SHA1

                          4297123fbcdfaf555027d8c79baee94d33cf95e2

                          SHA256

                          b92d2093b25d8307db9c040291548c165702c692a246cb878e2d5692950eade5

                          SHA512

                          cad2ad1f861911a15e515aa33b0165a523eacf35143a23e0ec8b1f014db90e26e3e78c50e975412d208150585672335a257a51a6c6d34087a392e82c53290d03

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

                          Filesize

                          2KB

                          MD5

                          dac190da72c171b26bdd6058e1079243

                          SHA1

                          a4a144be1285e38b13d06aeeeffb0fa4a26bb2b7

                          SHA256

                          74fc5944e10bffea98e92f40d82d12a0970976dbce8e7d1dcc784314ec38a5e5

                          SHA512

                          72b971ad57512ed1252116cf8b61490e4cbdb9c10635eac2d955dd1ceec41fd70ff65d685bb91383b6d182d6ab733a681dc41dd3ee003c7ad793a0004417beb3

                        • 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

                          1KB

                          MD5

                          7c637a9d7ac5e823cd1e77f9fe5d4c6b

                          SHA1

                          0f6a1ee253314652f3383fc165287052ff69af4e

                          SHA256

                          02d0aa05fac6cfa6ecbe917a2039dc2d59e1576df2147c6c8f9a6e46f9be59fd

                          SHA512

                          c17359b17045352bbea72ab4de1adb194b00f32f74c90f9d18d66a3f44e860b7ab518f8f07588c547a6bb466d8b3ab477d56ff6ec636a59372ed4c437b8db66d

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

                          Filesize

                          8KB

                          MD5

                          ac074658d3a5dde5f2a2472f884eb0aa

                          SHA1

                          8f4663a16573963adc3d369b5af788588311acc0

                          SHA256

                          437c60f47ecf757011b8b860e57ddea8d59f3f88ff49aa3efaedff34b77afa05

                          SHA512

                          5715e755cb6be9371573ddcbf06a5d440bd8e0e08bb505f8fbdd3c40a153e7f1096e951e4da409209b93184f7c8b99590de5de92aa300569ac41f8fbc4d4d7e2

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

                          Filesize

                          8KB

                          MD5

                          75c84210ecb11082492de2e1dc26d626

                          SHA1

                          8113ced48161a3e394a856d850ac0f2da21ef0a0

                          SHA256

                          75164d6e2511a6f53d7e220a0650fd90bf19abcb93fbace5b903f59c6e087aab

                          SHA512

                          45bd9378958987bc90a9660e69b5f662f71e80cd911b2626e33666113b7d750f9e1e6a60ed2bc6b52c18823cd70c14630a964ab37948010fe7e005d27892f46b

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

                          Filesize

                          8KB

                          MD5

                          4a4805f92a244d3c58baa1d393e9c275

                          SHA1

                          5c695d2ef19da963a5ea94f7405067035c248ec4

                          SHA256

                          dc7a2f821f8d98ae11e9db10ff9804067a703317f3cc8f1d351e385d320c080c

                          SHA512

                          544c368e52bb6809682dea8178b99b61df3c7494fca1e377910fea3f45adfb2670c3f760d4d8e9d576c60bae3b015593205dee627ba799aacd87611378bbb1ad

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

                          Filesize

                          8KB

                          MD5

                          5dab36d18d73bd9795848c8baac66cab

                          SHA1

                          5afd3029e2ed6755deffc389b99ec5c0931b6209

                          SHA256

                          83375fdac247e94f5b73f7798186df1d1470099d6f74d4224ef0fb03c51f4da7

                          SHA512

                          8e2675315b07d234cae3917028eb0bc915ca3c8017ebb2d0ada9137af7d2d60c42b02dc642ca27ab1daa7f50c6b9ba1031274e001d033a613220a800f8cddde2

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

                          Filesize

                          8KB

                          MD5

                          7f75ba66317a5fbe54fb360fe8b385bf

                          SHA1

                          23f69b93f6385036001211b1312ffbdc72f90ac5

                          SHA256

                          73b4d6489f8f4f6fc3172daa338ff285ecc6b39edf9957b079e2f05faf385e16

                          SHA512

                          3c5149b5f38d9e0bed2d17bcf160550e335e98166bc6ba66738d61858e260ce3329d1c00e5b4c7e1ef6e88dff3edcecd36c0b00db86f8bc0c1afd7037bfce65f

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

                          Filesize

                          8KB

                          MD5

                          8f029f197275fef7013acec5f3214edf

                          SHA1

                          dda6499fba22f55fffc72bd9556523f697f75fd6

                          SHA256

                          1f0085f7829a5ca52886f65e15792df99d8c11717de14bbe853d688ce9565bd1

                          SHA512

                          78ef22947a9a21e9860029cbf48fbee7a356d4960d73826ec18e039418084d086cedab85eefed114b1d2dca5a07331e97893e05475585b3edafc401014055e32

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

                          Filesize

                          8KB

                          MD5

                          0ea0c17035ed303decd202c59c6699a0

                          SHA1

                          94e8dc3a41b390f6b4046e406c31f805aaa3c271

                          SHA256

                          4b46827958e0969d28a889c3fae72337be54bfccd2290ba4b36d48efd1a852b7

                          SHA512

                          d354e378d51110b9db6740c7a86e9a889a909996b09bdb5c8b1161ac008a6f23375b42e18a87cfca4015bc424d281d39cf3fe8e2d7c8d87b7259484570fbfa2f

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

                          Filesize

                          181KB

                          MD5

                          93cfc3e9528455794c8342cba3af1977

                          SHA1

                          58acb6fecc590ba5e02978068712b1014afa36f9

                          SHA256

                          2ddd1bdc0f5dcea81436f34796f5ba8a03d559ae88120f4ac220c4287de437d3

                          SHA512

                          2927664749fc76e5a5e932cc7ee88e1d6df8a85ed14c606a91ab6e563869f95527eb0332885dda43f0ee8643b8466fb2419774f2a4a033478ef7ed0d39bd2052

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

                          Filesize

                          181KB

                          MD5

                          484b66b1bf9e610bdea82c00175acdb1

                          SHA1

                          e1302c336415dcaeede7727f908687a8cf4707d1

                          SHA256

                          dff22a215efd126cce11487d25f90de197e35f91d925550e3b9b5e30d572abd6

                          SHA512

                          bf334162fb18254876c7f769c0c5da9a98ffb41c24745a91ccd2442b71767665bf36f8d803e542b7855fce694382768afa8845a038693e492e5a4247be293980