Resubmissions

14-09-2024 04:07

240914-epr6vswcnq 10

14-09-2024 04:03

240914-emf1tawfnc 10

14-09-2024 04:02

240914-elt62swbnj 3

Analysis

  • max time kernel
    42s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 04:02

General

  • Target

    asd.txt

  • Size

    93B

  • MD5

    7213463c27611670218de026f379a4a7

  • SHA1

    90750ced837038b11524c1dba538785414bba6e3

  • SHA256

    90708abbcad8c3e95f37fb29927781a1ec885a9c3799b50f7dcc01e1b4065baa

  • SHA512

    734dfaf55bbba3e05c6bb8a2582aae5defc7336133d96714ca93123843cf476e1e4fdf905a18598e7c9e0ad19cbc98e9affe0e4df296ab4c5d30012f12093f4a

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 28 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\asd.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:3580
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    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:4388
    • 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=0x118,0x11c,0x120,0xf4,0x124,0x7ffe21e3cc40,0x7ffe21e3cc4c,0x7ffe21e3cc58
      2⤵
        PID:3436
      • 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=1936,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1932 /prefetch:2
        2⤵
          PID:2036
        • 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=1824,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2056 /prefetch:3
          2⤵
            PID:3268
          • 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=2288,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2496 /prefetch:8
            2⤵
              PID:1312
            • 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=3140,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3152 /prefetch:1
              2⤵
                PID:1680
              • 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=3400,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3396 /prefetch:1
                2⤵
                  PID:920
                • 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=3640,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4572 /prefetch:1
                  2⤵
                    PID:4100
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4724,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4736 /prefetch:8
                    2⤵
                      PID:2248
                    • 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=4700,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4896 /prefetch:8
                      2⤵
                        PID:2944
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4944,i,347146638464898109,1227166469071822325,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4876 /prefetch:8
                        2⤵
                        • Modifies registry class
                        • Suspicious use of SetWindowsHookEx
                        PID:4952
                    • 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:4880
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:3036

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

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

                          Filesize

                          649B

                          MD5

                          f7c2663d7a91aaaf4fa29116bfcdbbc8

                          SHA1

                          a642fa3771aed060cd35f4d90848e09a98eafbab

                          SHA256

                          2aa239cc43970aa3ddccafe8d6a0b5d39fd52d0745b61410fc4010c14cd4a90a

                          SHA512

                          8e84c487e1b84b8044809b1a8b94e02ffd871b3dc9e434172e5f68aca855ea3a8ea94545446aca28be07ed9795193781996e3fdcee805a38f2fa980bd2bec0f6

                        • 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

                          356B

                          MD5

                          fbeea78572d2a5714c2a3f35fd3f76e1

                          SHA1

                          b99c2caf6c864fd6b387497fef4e98c4cd9953b6

                          SHA256

                          54f0f7270dfb0a2cbd8a56320bf988ebbc079509abcc2fe91db84e6da315ceee

                          SHA512

                          d636f8177cc32e73d1c290af4b783dd71cdc85bcb2b2833cf28c554284cb16e74309c937754976323e45079c7cb44cc1fbff83e4d7fa7a73f230351f08e462c8

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

                          Filesize

                          9KB

                          MD5

                          f68d80bba0ced3372cc0c90e31d930f7

                          SHA1

                          f1bfc914fac5d3dde93921a0786a30114db2f328

                          SHA256

                          7340a18522a6e9bd2480452b659109efd0469b397d57ae95c3e9f41be4313992

                          SHA512

                          6d7711431fff81cef1d29d193e5b277ee71197cfa4b51ad2857aa0d30ae1017c3206cab565f348259ccf9795bc2dc99f9d731655ae060af4dad8182265a2729d

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

                          Filesize

                          9KB

                          MD5

                          e8d604a2819be9f01ba039229cab1ed4

                          SHA1

                          535d59cf75bc69f040086515c0b6357ee98db42f

                          SHA256

                          c5026a4795795094cb5bde9f40474ab9122af294a286da5e27a7fcadad07020f

                          SHA512

                          1674d90a823571f6a823baadfa8b7fae86264c9233e355b51b8d44424e16e112cabf82ebcc37ad61aa514d789edf88bf838bd95be1a70c7c0a6f361d076572b6

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

                          Filesize

                          13KB

                          MD5

                          6a33e9a73312b7a55fa6d828bfddb3c8

                          SHA1

                          105a52eae65937fda5fe390775576a2865ce022d

                          SHA256

                          49be7cae925a2b6925cb0eea4589fd75d18ef51ecdae1732650751cbf9334b1f

                          SHA512

                          a0b3d0d18c15d8efc6faabb14e1a6b866ed2e793243b9c4cad4390d4534e80e047024a3016dc91b86e379c5756ff4b3bd0568ae1191f45d14e2c4e6a17f26ec6

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

                          Filesize

                          207KB

                          MD5

                          9e42cdec92ffde44ea26a8cdf125d1bb

                          SHA1

                          392f7426c721147cb5edc17f6f4feccb0e753d87

                          SHA256

                          9793cf60013e6e5f3695c213d14964a9f7a8d8c71492d8faa6a2f8075dbc6b96

                          SHA512

                          e930552cc7c6213437f81cc86b5c1e40bed4d8d14dd4055caf8803a31cdb87f1ac7a3d462c77a10b609b3c0f2a2a0334b2f5083468f2b9e416fc76da8dc34a83