Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2022 22:06

General

  • Target

    8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a.exe

  • Size

    1.5MB

  • MD5

    8dc3186fd0f4dd9101deb7568024cb72

  • SHA1

    905c4783b13ea9c3d4770128c47b8a03c2bc4926

  • SHA256

    8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a

  • SHA512

    905c8f40f8cf754100b09da7056988c25aa60fb3c93f730fa53af87dabf1b46e197edf5df410d90971e15163e20553bb320c0527b16c5665244071d2cbf55377

  • SSDEEP

    24576:NEMusNFaoFF5d8CdldCE/Y4MjUL/AhKCkTqEJWmAJ9HXZ:NnFhCEQJkAhKYb

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a.exe
    "C:\Users\Admin\AppData\Local\Temp\8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\Temp\8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a.dmy
      C:\Users\Admin\AppData\Local\Temp\8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a.dmy
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3468
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.icabala.net/thread-250-1-1.html
        3⤵
        • Adds Run key to start application
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3488
        • 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=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xd4,0xfc,0x100,0xd8,0x104,0x7fff39c746f8,0x7fff39c74708,0x7fff39c74718
          4⤵
            PID:3944
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
            4⤵
              PID:3356
            • 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=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:5076
            • 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=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2752 /prefetch:8
              4⤵
                PID:2692
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3968 /prefetch:1
                4⤵
                  PID:3640
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3976 /prefetch:1
                  4⤵
                    PID:4408
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5036 /prefetch:8
                    4⤵
                      PID:4900
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5852 /prefetch:1
                      4⤵
                        PID:2464
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5868 /prefetch:1
                        4⤵
                          PID:3392
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4364 /prefetch:8
                          4⤵
                            PID:4248
                          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6156 /prefetch:8
                            4⤵
                              PID:1820
                            • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                              4⤵
                              • Drops file in Program Files directory
                              PID:3476
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x104,0x100,0xfc,0x25c,0xf4,0x7ff7d9e45460,0x7ff7d9e45470,0x7ff7d9e45480
                                5⤵
                                  PID:1228
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6156 /prefetch:8
                                4⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:4900
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3176 /prefetch:8
                                4⤵
                                  PID:984
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6460 /prefetch:8
                                  4⤵
                                    PID:1096
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1740 /prefetch:8
                                    4⤵
                                      PID:632
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,14098793083893689707,6725275240672771708,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2552 /prefetch:2
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:1292
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4640

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a.dmy

                                  Filesize

                                  1.5MB

                                  MD5

                                  8dc3186fd0f4dd9101deb7568024cb72

                                  SHA1

                                  905c4783b13ea9c3d4770128c47b8a03c2bc4926

                                  SHA256

                                  8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a

                                  SHA512

                                  905c8f40f8cf754100b09da7056988c25aa60fb3c93f730fa53af87dabf1b46e197edf5df410d90971e15163e20553bb320c0527b16c5665244071d2cbf55377

                                • C:\Users\Admin\AppData\Local\Temp\8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a.dmy

                                  Filesize

                                  1.5MB

                                  MD5

                                  8dc3186fd0f4dd9101deb7568024cb72

                                  SHA1

                                  905c4783b13ea9c3d4770128c47b8a03c2bc4926

                                  SHA256

                                  8f56bce9115cfad4972b404875e74885f3c6cbefe2fc061df2af4a8cf1b3932a

                                  SHA512

                                  905c8f40f8cf754100b09da7056988c25aa60fb3c93f730fa53af87dabf1b46e197edf5df410d90971e15163e20553bb320c0527b16c5665244071d2cbf55377

                                • C:\Users\Admin\AppData\Local\Temp\ziplib.dll

                                  Filesize

                                  453KB

                                  MD5

                                  6df0ed0afe162198116be68aba60e0c4

                                  SHA1

                                  bd0ca25ff4e495717be7345933aaa90755e5a6ca

                                  SHA256

                                  14172cccc2b24d7b490b6038c9493e64d5cab4afeee62014710dfad546eec9dc

                                  SHA512

                                  6696ec1e2261e44e1259609f74e95c205165048d94e581f44b09b87fc70e89b2eaeecd09b7de9cb9735dab0b9d90dd4ff7b5ac07e4b5bd8e5f502e71bbfdb757

                                • C:\Users\Admin\AppData\Local\Temp\ziplib.dll

                                  Filesize

                                  453KB

                                  MD5

                                  6df0ed0afe162198116be68aba60e0c4

                                  SHA1

                                  bd0ca25ff4e495717be7345933aaa90755e5a6ca

                                  SHA256

                                  14172cccc2b24d7b490b6038c9493e64d5cab4afeee62014710dfad546eec9dc

                                  SHA512

                                  6696ec1e2261e44e1259609f74e95c205165048d94e581f44b09b87fc70e89b2eaeecd09b7de9cb9735dab0b9d90dd4ff7b5ac07e4b5bd8e5f502e71bbfdb757

                                • memory/3468-137-0x0000000005FC0000-0x0000000006037000-memory.dmp

                                  Filesize

                                  476KB