Analysis

  • max time kernel
    27s
  • max time network
    15s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    13-11-2024 10:02

General

  • Target

    https://cdn.discordapp.com/attachments/1305427999751016498/1306197482958753802/0OOjhaJ5lVUL4PN.exe?ex=6735cab3&is=67347933&hm=01719f8c9fd9798d408781f520a005e91c22ec47cee95892e21492018ee151b4&

Malware Config

Signatures

  • Downloads MZ/PE file
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 46 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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://cdn.discordapp.com/attachments/1305427999751016498/1306197482958753802/0OOjhaJ5lVUL4PN.exe?ex=6735cab3&is=67347933&hm=01719f8c9fd9798d408781f520a005e91c22ec47cee95892e21492018ee151b4&
    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:1976
    • 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=0x21c,0x220,0x224,0x1f8,0x228,0x7fffa3bfcc40,0x7fffa3bfcc4c,0x7fffa3bfcc58
      2⤵
        PID:3824
      • 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=1940,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=1936 /prefetch:2
        2⤵
          PID:2052
        • 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=560,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2616 /prefetch:3
          2⤵
            PID:3076
          • 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=2168,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2128 /prefetch:8
            2⤵
              PID:4984
            • 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=3136,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3172 /prefetch:1
              2⤵
                PID:3348
              • 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=3164,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3208 /prefetch:1
                2⤵
                  PID:4468
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --no-appcompat-clear --field-trial-handle=5020,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4900 /prefetch:8
                  2⤵
                    PID:2704
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --no-appcompat-clear --field-trial-handle=5028,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5192 /prefetch:8
                    2⤵
                      PID:2864
                    • 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=5372,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5380 /prefetch:8
                      2⤵
                        PID:4616
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=5312,i,15126002974341148649,17616267304265033006,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5316 /prefetch:8
                        2⤵
                          PID:1696
                        • C:\Users\Admin\Downloads\0OOjhaJ5lVUL4PN.exe
                          "C:\Users\Admin\Downloads\0OOjhaJ5lVUL4PN.exe"
                          2⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1828
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c sc start FairplayKD > NUL 2>&1
                            3⤵
                            • System Location Discovery: System Language Discovery
                            PID:4416
                            • C:\Windows\SysWOW64\sc.exe
                              sc start FairplayKD
                              4⤵
                              • Launches sc.exe
                              • System Location Discovery: System Language Discovery
                              PID:4820
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c sc stop %c > NUL 2>&1
                            3⤵
                            • System Location Discovery: System Language Discovery
                            PID:1724
                            • C:\Windows\SysWOW64\sc.exe
                              sc stop %c
                              4⤵
                              • Launches sc.exe
                              • System Location Discovery: System Language Discovery
                              PID:1576
                      • 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:3040
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:4044

                          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

                            5ce747f8297f571af688a46c71f2feb1

                            SHA1

                            596c03be22823fe3205c8f6e0310cd5e9e4470fd

                            SHA256

                            48db4eb8f19cacf38e2504e6c12b761891cff656f7d254adc3178612d5b4cf5b

                            SHA512

                            9cf1bd171d75359acdf55338d8602e759412a9465c398952789dd61fc4e10925cb272e663053865240a330714d2f20e02ce233a4f6834de9b0f94d30ba7ef41b

                          • 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

                            8KB

                            MD5

                            ff5ac662a20795eb05cfeaea6db42096

                            SHA1

                            23d22a564b4c1fbcc0896d4b0183bb1cb0681df6

                            SHA256

                            470bc5139c8042fd5183b9b809a990d745127e683d40870edc46d7401da71c89

                            SHA512

                            dd3458ad088ee358164af6d61f9fc1a2243667a37449be8bc6568efd92d9d15c86607e70c94d67fa83bd26aa232c3d85e7c19965c2e1f8e8a73be6ed4649535e

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

                            Filesize

                            8KB

                            MD5

                            d837eb7bc2e37a0f1ca1a661f0e4d305

                            SHA1

                            dc522765018b345eecf6698f7ec36c8d0c29341d

                            SHA256

                            1d3154ae4442173983218836e344fdcff983028f959abdf310cb5e3a50c8e4bc

                            SHA512

                            23fecf031480ae346cf7e0f17841858a3ff43bde72e13134bd54ac728fda2ee81e9bf23d3b716c0af43ed6ff7c8611a65920b668eb1efda8cd784613c7cdf4c5

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

                            Filesize

                            118KB

                            MD5

                            dce05e95f584c9ce9f67169b839adc97

                            SHA1

                            987ad907165fad66a07989a8dc7dff45572ca2f3

                            SHA256

                            0c69ea8e83fd9cdaa48e78aca09d9f38eede1dd40be5510ec09a083084343462

                            SHA512

                            8c3fd3d01dc13d7684c0e6f1ae8170eeac840361f85fabe193b3e55b4231c088dbf469a767374443131540b93c70030fe73634261e6c991f1994f45a67845631

                          • C:\Users\Admin\Downloads\Unconfirmed 344289.crdownload

                            Filesize

                            2.1MB

                            MD5

                            6b1ae040f09a43a4f0eee6fd964e2a47

                            SHA1

                            5d5ae0e6d89612fa55286f12f3a09443408ac1df

                            SHA256

                            d1163ec121ee6bdd11496c227b5f09a69cd2172aca93d111fac1be0cf73be0f2

                            SHA512

                            e6a7ad8d8245b7fa009b77c77e5d85059bcc6802247b72a5bf927a97390650d446f83984c43a3fd6cd5f5a35f747bda6b5d1e408aa59f212a856cc9eaca861a1

                          • \??\pipe\crashpad_1976_SEYTIAUOXKZFMRGY

                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e