Resubmissions

19/06/2024, 16:13

240619-tpb7zatbkh8

19/06/2024, 16:12

240619-tnrw2axhjk4

19/06/2024, 16:11

240619-tm7absxgrk7

19/06/2024, 16:03

240619-thgh4stane9

19/06/2024, 16:01

240619-tglrfaxglm8

19/06/2024, 15:55

240619-tc2l4axgjj8

19/06/2024, 15:53

240619-tb5blaxfqr10

19/06/2024, 15:52

240619-tbc74sshqc7

Analysis

  • max time kernel
    285s
  • max time network
    295s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 15:52

General

  • Target
    Bloxstrap-v2.5.4 (3).exe
  • Size 7.6MB
  • Sample240619-tbc74sshqc
  • SHA256 b2ac1e407ed3ecd7c7faa6de929a68fb51145662cf793c40b69eb59295bba6bc
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.5.4 (3).exe
    "C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.5.4 (3).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    PID:5076
  • 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:4128
    • 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:7 --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=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffd41d3ab58,0x7ffd41d3ab68,0x7ffd41d3ab78
      2⤵
        PID:4960
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1728 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:2
        2⤵
          PID:1884
        • 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 --mojo-platform-channel-handle=2172 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:8
          2⤵
            PID:560
          • 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 --mojo-platform-channel-handle=1880 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:8
            2⤵
              PID:3108
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3064 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:1
              2⤵
                PID:3848
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3068 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:1
                2⤵
                  PID:3732
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4288 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:1
                  2⤵
                    PID:1396
                  • 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 --mojo-platform-channel-handle=4592 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:8
                    2⤵
                      PID:4912
                    • 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 --mojo-platform-channel-handle=4636 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:8
                      2⤵
                        PID:2596
                      • C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe
                        "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe" --reenable-autoupdates --system-level
                        2⤵
                          PID:2324
                          • C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe
                            "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x238,0x23c,0x240,0x214,0x244,0x7ff7f870ae48,0x7ff7f870ae58,0x7ff7f870ae68
                            3⤵
                              PID:2112
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=5044 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:1
                            2⤵
                              PID:4372
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=4860 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:1
                              2⤵
                                PID:1584
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3076 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:1
                                2⤵
                                  PID:2872
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=4972 --field-trial-handle=1940,i,9867043976371431610,58042161351717531,131072 /prefetch:1
                                  2⤵
                                    PID:4148
                                • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                                  "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                                  1⤵
                                    PID:2532

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                        • Size 811B
                                        • SHA256 f5b92db27f63b8ed9d8bf83dd347e0174d2fd11e20d6938ffcf403570102ee50
                                        • 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 7KB
                                        • SHA256 2722e87abed881ac69e476d70f47cd15714db7936976a3eda603782f4b8034a3
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                        • Size 7KB
                                        • SHA256 c02ca47d8776434f19f4bb6b661ee6e4e0959ac0bf8e222b33106dfe4f9416b6
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                        • Size 7KB
                                        • SHA256 f834c656d55748dab92e150eac79097045846f34c7d846cf682d407cb324eea7
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                        • Size 257KB
                                        • SHA256 5783bc86a5ad01dfcdebc5c75be96e48ecd4f55dd50600acb1cd4009eb810126
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                        • Size 257KB
                                        • SHA256 57a858b9b447129c9b2f4e7ab3d191f41901dce4c775c3809f9012ff5ba80e7a
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                        • Size 257KB
                                        • SHA256 99a758cbdbb34f62fbf365ef0b47f6e9df42740ba6cb47f81aaa2708a08e8ff9
                                        • MD5 SHA1 SHA512 SSDEEP

                                        data_1

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
                                        • Size 264KB
                                        • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                        • MD5 SHA1 SHA512 SSDEEP

                                        memory/5076-0-0x00007FFD32E5B000-0x00007FFD32E5C000-memory.dmp