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Resubmissions

03/08/2024, 01:40

240803-b3zajstcjh 6

03/08/2024, 01:36

240803-b1m5hatbld 7

Analysis

  • max time kernel
    103s
  • max time network
    123s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/08/2024, 01:40

General

  • Target

    Bootstrapper.exe

  • Size

    795KB

  • MD5

    365971e549352a15e150b60294ec2e57

  • SHA1

    2932242b427e81b1b4ac8c11fb17793eae0939f7

  • SHA256

    faad2bc8e61b75e595a80ff2b6d150ff8b27187a8ba426cc1e5e38e193ab6d42

  • SHA512

    f7ba1353e880213a6bdf5bd1dfdfd42a0acf4066a540a502e8df8fec8eac7fb80b75aa52e68eca98be3f7701da48eb90758e5b94d72013d3dff05e0aaf27e938

  • SSDEEP

    12288:GYa9sBhIBdCdbX1USoeQDj/VNpA+dZIznBpGTEy:Pa98hIBdjSoeQDj/VNpZdZIznBpg

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:340
  • 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:3948
    • 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,0x100,0x104,0xd8,0x108,0x7ff917c6cc40,0x7ff917c6cc4c,0x7ff917c6cc58
      2⤵
        PID:2236
      • 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=1756,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1748 /prefetch:2
        2⤵
          PID:4968
        • 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=2096,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2104 /prefetch:3
          2⤵
            PID:3996
          • 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=2180,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2204 /prefetch:8
            2⤵
              PID:1668
            • 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=3060,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3164 /prefetch:1
              2⤵
                PID:2868
              • 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=3104,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3264 /prefetch:1
                2⤵
                  PID:3028
                • 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=4440,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3276 /prefetch:1
                  2⤵
                    PID:1200
                  • 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=4596,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4820 /prefetch:8
                    2⤵
                      PID:2976
                    • 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=4580,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4884 /prefetch:8
                      2⤵
                        PID:1904
                      • 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=4968,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4932 /prefetch:1
                        2⤵
                          PID:2128
                        • 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=4444,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4516 /prefetch:1
                          2⤵
                            PID:3092
                          • 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=4504,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3740 /prefetch:1
                            2⤵
                              PID:1380
                            • 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=13 --field-trial-handle=3388,i,5579646425006919383,11599832407600312725,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3356 /prefetch:1
                              2⤵
                                PID:868
                            • 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:3192
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:2112

                                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

                                  312B

                                  MD5

                                  7b6a7aa0bc442b07b5f7b38257879fb3

                                  SHA1

                                  221cf99a6fcbe1086d483fd3fe4ff066fcd7a5cf

                                  SHA256

                                  18a4cf0a29b74fef31d95a4fbaeaf00035d16efe9c7eab30797afcc58f553095

                                  SHA512

                                  d0cb214acf6771a9efc0c4640d1431cb9ffbda42661e51c9bc6636ec0954c11d3845f91254dc62d1555e607d2994c1f1f4aec15f16029c318fd56e9bc7271a1a

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\DawnCache\data_1

                                  Filesize

                                  264KB

                                  MD5

                                  7e986c39e5f4a28efa624190f95eeead

                                  SHA1

                                  5af73a25170168837c1cfcb6ac0bb66c67d0ca8b

                                  SHA256

                                  20e7c4c588128e0591bc32127b949241793c2bc7b46adee22e0f5cc6c6af0283

                                  SHA512

                                  db288727e3c8979522209f652d6e8c3e35ad11bab2f8ffb002b8a99930d465e29cb4d8b8329b4a10c3d27c085bb169532d8d95497c259c47aca72b2b4056bdc1

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

                                  Filesize

                                  3KB

                                  MD5

                                  ce3db65b3dc4f1e513b0096577953c13

                                  SHA1

                                  97eee8458565fe2cea750bbebde3e74860e8ca69

                                  SHA256

                                  c043b9bb566d9f1a014c0940359d2fa86f35425b98f92b51a9c0163d3ca5e0d7

                                  SHA512

                                  6b34cf7a733bcd8a52fce84424d66b0bebb1b39b3bd81758341c10830fb42c8e8a67a8f7099c16a0776e15a5c64d7a9cc464cdff8fabcdf6aba9a24748f8617b

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

                                  Filesize

                                  3KB

                                  MD5

                                  f87696926c5f37db09682a6ca1043bda

                                  SHA1

                                  52243fdbfe2d4b08e02d16fcdb1a634e047227c2

                                  SHA256

                                  b4a4e9952bb5c2aeb4c51316edb9bf3c5fb4e41bc8917d881a72b83b7e2b0d48

                                  SHA512

                                  158a03f75009944ba2ca7fcbce7cdd39e88f6bea8bc5ffcf0057fd9c76d7b08217b990dcd178e5852ce58ee8ebb81582232cfdfbc4e90cd4e5fec49d4c3fbbde

                                • 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

                                  e27363270b7d14f8c3ccd30df53011e4

                                  SHA1

                                  2b85478543c5d88f763b715f2b39518597d2181c

                                  SHA256

                                  ed163ac4be19ec511d7f03f2dc5abdf23549502393d0fcb59a7d04a2e5d28b68

                                  SHA512

                                  8549592ee257db7aaed1e6e61f92f281e499ba03e9b56d4b21a31086535f44069a2d0336c1af1e71ab54e882464e9103736e771561ccd94091a26d26b0bc861a

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

                                  Filesize

                                  356B

                                  MD5

                                  d9eead613e64b82732ff658a0fb3c617

                                  SHA1

                                  303d1d116b72915ff99b2505c9de7386b7e1daea

                                  SHA256

                                  4850784a2564ab5671e520b95ab8d9fb58e497cc62dd47d705f9763bf50c1bc1

                                  SHA512

                                  9d94ff838b555a0d84cfd15843d7adef3ac75226f92ab88fb9c5e4483917ae50e1b9749e5483385f327cb304e7aa24738491249427e753599192957eddf79357

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

                                  Filesize

                                  523B

                                  MD5

                                  cb165ac96b885e945c28446b92314d9d

                                  SHA1

                                  ced194050fb48b937762513c2a484a195f8329b1

                                  SHA256

                                  684986365f194de3709839aa91035c7e8b145ba4e73182b5beb0a164ccdc62e8

                                  SHA512

                                  0c4551085be42a2cc5ef261db959cad31f5e5fb489e94a6749d5a34fdc0a7d3a6ad6a5cf8ae68b80950cbbaeb949aff9ff6c2bf4aeedb215382b2a7aec135db3

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

                                  Filesize

                                  10KB

                                  MD5

                                  3f04d76280f1c5d73d55b52090a9b102

                                  SHA1

                                  9cf894ab15b86b2ea6e8e4cb03c0e5abb157e59f

                                  SHA256

                                  78f2dc5337909f7eab150ca06caaa5e1cad8e69d47a6d9b1c1f78935ee7124de

                                  SHA512

                                  83cc112036d91102719346cb4cefc128be68736497952c0819ffba69a490d6dce06e92dd0cd59e4aff11dd6205bd3297fe3c7b2e8826786994f46ad56b6b3c65

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

                                  Filesize

                                  8KB

                                  MD5

                                  02b8124aadc0dc752d266c25176a3cc0

                                  SHA1

                                  642719cb73118e8381b5eaf1cbedf50cd9920a11

                                  SHA256

                                  1773e1d88515acb57336557aa6e63d299773aa9e0662ec277dc8ee926d7dffd6

                                  SHA512

                                  df2d33f22997db816c14606ee1f037dfdb989c1a67d3f1eb3c6b42d138665a57dcb17419ab769409c1bfa46da1e42151787d30d35985ad385afc6dd489eb4fa9

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

                                  Filesize

                                  7KB

                                  MD5

                                  5541d405c150489ce1462ffa51e51509

                                  SHA1

                                  d81b2a2419cf99652f9c4501d6fd20d4e1560e45

                                  SHA256

                                  77d757249ae5bb700a5ec1e7dce02bd6ad940985f6266f0a9fd5aee1814e03b7

                                  SHA512

                                  5b5339cf3e3c5ed2d96f4d1155239cc90366089f2ce9a5549b41b40fb30ec8f42336e053d98e5634ff3081f869f1499f824b0c5199065a5e6ceb5ba9f2ab0f12

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

                                  Filesize

                                  195KB

                                  MD5

                                  1233a238f07710c245b0db1a0446dffd

                                  SHA1

                                  3168a4d7564f9177e82e0ce198d859e16bdb7b63

                                  SHA256

                                  335d9cb1d359b90b6be04af498a7ba6436894b53d8c172d78b361ba4127629bf

                                  SHA512

                                  6c8b44da178bfeaf62e50910b1b77818a7d39eb516c8e681d844c91065bda518d6ef8e413bdfc66e40e73930ae728f3e8cd33983e971cdfa2b0d5089de4b38b9

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

                                  Filesize

                                  195KB

                                  MD5

                                  df1d884656719bb79fe66c207b7b7fd2

                                  SHA1

                                  b9db95644e8be3f216a07484a74ad62bcd173a9a

                                  SHA256

                                  d1395506be266a7f779ebff0c578829a05f61e5dd36c9412cafef20cd21d3fc1

                                  SHA512

                                  adb3f3e0c4c2b54be2d0ebe4efebb54e01a0c1937eeafc822feb019940464bdfdf55b2625d3abb62f24e162d5ab53dbcd343e6ecbf07adb809051961aa8e0240

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

                                  Filesize

                                  195KB

                                  MD5

                                  485172760698643fa68c5ab2b800a662

                                  SHA1

                                  2c2f1602530ed29cd91839112f9c808e77de2e1c

                                  SHA256

                                  2b68427d64b02ce4af77adf353f189f5f5a20f26d175542625f1862a0c6cfa0d

                                  SHA512

                                  b800d57def53a1d42c7ef79a1390adb90d4dd44c8f4106ea0259fdc7472c3969e4035dadb2e083f0a99b09be9c5f67b899dfe493c4495a3c87fb2c11702ec5d6

                                • memory/340-6-0x00000000746D0000-0x0000000074E81000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/340-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/340-4-0x0000000006330000-0x0000000006687000-memory.dmp

                                  Filesize

                                  3.3MB

                                • memory/340-3-0x0000000006300000-0x0000000006322000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/340-2-0x00000000746D0000-0x0000000074E81000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/340-1-0x0000000000DB0000-0x0000000000E7E000-memory.dmp

                                  Filesize

                                  824KB