Resubmissions

01-02-2023 08:57

230201-kwvhfsee4x 10

28-01-2023 12:04

230128-n82zvagb9t 8

28-01-2023 11:55

230128-n3khlsgb7y 8

Analysis

  • max time kernel
    47s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2023 11:55

General

  • Target

    onetap v3.exe

  • Size

    7.2MB

  • MD5

    103e516c943ad845c789ea01c751ec06

  • SHA1

    949d2e33507a0096e889a8f14f743f717862d925

  • SHA256

    5af08c95cdab3ec15519685b4a5d543ab5bff7ac9fdc6d5fc54de2f32fdc0914

  • SHA512

    56c2ae4e264bbb2d41d07e8fddeae07d16b5a074d6c1ca1ec2e4ce58642de9541f24740904f83486bb28ea4043cf8c32f21974ad98fad981baa68ed830e2c05f

  • SSDEEP

    196608:HsGgBjriZeOm0+qvG1eRi7U7g2iFoIHcsvNvK:J6jrOA0trklA

Score
8/10

Malware Config

Signatures

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\onetap v3.exe
    "C:\Users\Admin\AppData\Local\Temp\onetap v3.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://wuyong.fun/
      2⤵
      • 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:4388
      • 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,0x100,0xd8,0x104,0x7ffb81e846f8,0x7ffb81e84708,0x7ffb81e84718
        3⤵
          PID:2164
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2104 /prefetch:2
          3⤵
            PID:548
          • 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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4992
          • 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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
            3⤵
              PID:4308
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --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=3700 /prefetch:1
              3⤵
                PID:4048
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --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=3712 /prefetch:1
                3⤵
                  PID:5080
                • 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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5452 /prefetch:8
                  3⤵
                    PID:2776
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --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=5596 /prefetch:1
                    3⤵
                      PID:4608
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5400 /prefetch:1
                      3⤵
                        PID:2900
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6076 /prefetch:1
                        3⤵
                          PID:2400
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6120 /prefetch:1
                          3⤵
                            PID:1876
                          • 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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6772 /prefetch:8
                            3⤵
                              PID:3380
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6880 /prefetch:1
                              3⤵
                                PID:2604
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6892 /prefetch:1
                                3⤵
                                  PID:716
                                • 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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5780 /prefetch:8
                                  3⤵
                                    PID:4592
                                  • 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
                                    3⤵
                                    • Drops file in Program Files directory
                                    PID:1388
                                    • 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=0x220,0x224,0x228,0x200,0x22c,0x7ff673875460,0x7ff673875470,0x7ff673875480
                                      4⤵
                                        PID:1348
                                    • 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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5780 /prefetch:8
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:2884
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:996
                                  • C:\Windows\system32\OpenWith.exe
                                    C:\Windows\system32\OpenWith.exe -Embedding
                                    1⤵
                                    • Suspicious use of SetWindowsHookEx
                                    PID:4840

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

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                                  Downloads

                                  • \??\pipe\LOCAL\crashpad_4388_WQFMJNRYFNYNGNPE

                                    MD5

                                    d41d8cd98f00b204e9800998ecf8427e

                                    SHA1

                                    da39a3ee5e6b4b0d3255bfef95601890afd80709

                                    SHA256

                                    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                    SHA512

                                    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                  • memory/548-136-0x0000000000000000-mapping.dmp

                                  • memory/716-161-0x0000000000000000-mapping.dmp

                                  • memory/1348-163-0x0000000000000000-mapping.dmp

                                  • memory/1388-162-0x0000000000000000-mapping.dmp

                                  • memory/1876-155-0x0000000000000000-mapping.dmp

                                  • memory/2164-134-0x0000000000000000-mapping.dmp

                                  • memory/2400-153-0x0000000000000000-mapping.dmp

                                  • memory/2604-159-0x0000000000000000-mapping.dmp

                                  • memory/2776-146-0x0000000000000000-mapping.dmp

                                  • memory/2884-164-0x0000000000000000-mapping.dmp

                                  • memory/2900-150-0x0000000000000000-mapping.dmp

                                  • memory/3380-157-0x0000000000000000-mapping.dmp

                                  • memory/4048-142-0x0000000000000000-mapping.dmp

                                  • memory/4308-140-0x0000000000000000-mapping.dmp

                                  • memory/4388-133-0x0000000000000000-mapping.dmp

                                  • memory/4608-148-0x0000000000000000-mapping.dmp

                                  • memory/4860-151-0x0000000000400000-0x0000000000FEE000-memory.dmp

                                    Filesize

                                    11.9MB

                                  • memory/4860-132-0x0000000000400000-0x0000000000FEE000-memory.dmp

                                    Filesize

                                    11.9MB

                                  • memory/4860-165-0x0000000000400000-0x0000000000FEE000-memory.dmp

                                    Filesize

                                    11.9MB

                                  • memory/4992-137-0x0000000000000000-mapping.dmp

                                  • memory/5080-144-0x0000000000000000-mapping.dmp