Analysis

  • max time kernel
    137s
  • max time network
    137s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/08/2024, 12:20

General

  • Target
    https://cdn.discordapp.com/attachments/1182130099114496000/1269968026564825119/Bootstrapper.rar?ex=66b4a064&is=66b34ee4&hm=c69a7aeaba03d8368455a38a1a6e2745f2a4de2a5e824166aee38b89d378c712&
  • Sample240807-ph62jssbmh
Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 12 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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://cdn.discordapp.com/attachments/1182130099114496000/1269968026564825119/Bootstrapper.rar?ex=66b4a064&is=66b34ee4&hm=c69a7aeaba03d8368455a38a1a6e2745f2a4de2a5e824166aee38b89d378c712&
    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:2856
    • 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,0x100,0x104,0xd8,0x108,0x7fff54e2cc40,0x7fff54e2cc4c,0x7fff54e2cc58
      2⤵
        PID:3084
      • 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=1848,i,13470984829607504846,1887317981755983064,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1808 /prefetch:2
        2⤵
          PID:1856
        • 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=2052,i,13470984829607504846,1887317981755983064,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2100 /prefetch:3
          2⤵
            PID:4040
          • 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=2172,i,13470984829607504846,1887317981755983064,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2348 /prefetch:8
            2⤵
              PID:2116
            • 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=3056,i,13470984829607504846,1887317981755983064,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3088 /prefetch:1
              2⤵
                PID:4404
              • 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=3084,i,13470984829607504846,1887317981755983064,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3240 /prefetch:1
                2⤵
                  PID:3756
                • 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=4736,i,13470984829607504846,1887317981755983064,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4748 /prefetch:8
                  2⤵
                    PID:1048
                  • 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=4952,i,13470984829607504846,1887317981755983064,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4956 /prefetch:8
                    2⤵
                    • NTFS ADS
                    PID:3660
                  • 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=4864,i,13470984829607504846,1887317981755983064,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4892 /prefetch:8
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2436
                • 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:328
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                    1⤵
                      PID:4564

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

                          • Path C:\Users\Admin\AppData\Local\D3DSCache\cb00da9ba77862e\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx
                          • Size 64KB
                          • SHA256 b6409b9d55ce242ff022f7a2d86ae8eff873daabf3a0506031712b8baa6197b8
                          • MD5 SHA1 SHA512 SSDEEP

                          F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

                          • Path C:\Users\Admin\AppData\Local\D3DSCache\cb00da9ba77862e\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock
                          • Size 4B
                          • SHA256 7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba
                          • MD5 SHA1 SHA512

                          F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

                          • Path C:\Users\Admin\AppData\Local\D3DSCache\cb00da9ba77862e\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val
                          • Size 1008B
                          • SHA256 80dc3ffa698e4ff2e916f97983b5eae79470203e91cb684c5ccd4ff1a465d747
                          • MD5 SHA1 SHA512

                          Network Persistent State

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                          • Size 1KB
                          • SHA256 6536054a7b7a4b09c0ae523be8e21e77b242b0b755ee1b7daf4c0976e37c759d
                          • MD5 SHA1 SHA512

                          SCT Auditing Pending Reports

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                          • Size 2B
                          • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                          • MD5 SHA1 SHA512

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                          • Size 8KB
                          • SHA256 1777c41168e60bd87dca101afabde1dee70c8664348c2d994367cf83cda5fae5
                          • MD5 SHA1 SHA512 SSDEEP

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                          • Size 8KB
                          • SHA256 b48f9369d6031c543da85558567a04d0de23ac1ac20fea0177657922248096d8
                          • MD5 SHA1 SHA512 SSDEEP

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                          • Size 8KB
                          • SHA256 e3e797569b787e8bae07ab60d63d8b069e3c5ff68cee6e2153914fd8c51bbcb7
                          • MD5 SHA1 SHA512 SSDEEP

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                          • Size 8KB
                          • SHA256 592b596aacb0e343e67c367240e60d195b915527628ab6381883ba73aa038f6d
                          • MD5 SHA1 SHA512 SSDEEP

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                          • Size 8KB
                          • SHA256 cf10f1ff459b8ca348a5f4f4e931b91e677788506c8c9f9dd459fcbd6f620ef4
                          • MD5 SHA1 SHA512 SSDEEP

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                          • Size 8KB
                          • SHA256 02be77f60705bb984aa6c83c7edc19f1cb4aaa6d0f5bff7ce640ad304903f137
                          • MD5 SHA1 SHA512 SSDEEP

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                          • Size 8KB
                          • SHA256 ba98f2e09b1a5a7f2f18d1deac1f44c7b82addd47d7b05738c4e9395dad5cedd
                          • MD5 SHA1 SHA512 SSDEEP

                          Local State

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                          • Size 99KB
                          • SHA256 9441e777793ba785d68b0ba2110ac0698f439b81bb176693c97314d55588e72b
                          • MD5 SHA1 SHA512 SSDEEP

                          Local State

                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                          • Size 99KB
                          • SHA256 2c47132be8a80431139d752b8bb305de52dce721dd28adcd79bc8c7ebb55dbb4
                          • MD5 SHA1 SHA512 SSDEEP

                          Bootstrapper.rar.crdownload

                          • Path C:\Users\Admin\Downloads\Bootstrapper.rar.crdownload
                          • Size 1.0MB
                          • SHA256 4d1a67cbb466e224e63bb648963c0de048b9fc9af98555a53b663e5e5f3b4695
                          • MD5 SHA1 SHA512 SSDEEP

                          Bootstrapper.rar:Zone.Identifier

                          • Path C:\Users\Admin\Downloads\Bootstrapper.rar:Zone.Identifier
                          • Size 224B
                          • SHA256 9527cc70a9e091dcc919f6161550501d28bfed2133eccdabcad6823cdb61be07
                          • MD5 SHA1 SHA512