Analysis

  • max time kernel
    154s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 15:21

General

  • Target

    77787324a11241bb9419d5fa816782eb513ff516f76489d061bc4dc36817b355.exe

  • Size

    2.4MB

  • MD5

    b3b1fc31d4a94ffead66a5a9e0edbbba

  • SHA1

    3b0c303c32b317804373dd1163d6b7dec1cd4aec

  • SHA256

    77787324a11241bb9419d5fa816782eb513ff516f76489d061bc4dc36817b355

  • SHA512

    0f3d6172ab72763dfc63f9338c948cb497837487ab05613f6b0aaa4bb13dfe16822697ea3bfc1d75f157f24ab6211a50ab1e00f659d66f9b8e87cba3a3b1f903

  • SSDEEP

    49152:Mkx2oEFHB31fIcFDWDgHtkwm2YmTuPq23yDnEIsk+VaMKXS2fLnS9UjCgZ/KWh:FxKHB31gkz3m2YmTuSKhIl4KDS9U5K

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • UPX packed file 26 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77787324a11241bb9419d5fa816782eb513ff516f76489d061bc4dc36817b355.exe
    "C:\Users\Admin\AppData\Local\Temp\77787324a11241bb9419d5fa816782eb513ff516f76489d061bc4dc36817b355.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.cfwudao.cc/
      2⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3112
      • 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=0xf8,0xfc,0x100,0x78,0x104,0x7fff3cb646f8,0x7fff3cb64708,0x7fff3cb64718
        3⤵
          PID:4104
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2008,7894497905378314841,6367085604841577033,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2204 /prefetch:2
          3⤵
            PID:1532
          • 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=2008,7894497905378314841,6367085604841577033,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:3
            3⤵
              PID:2952
            • 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=2008,7894497905378314841,6367085604841577033,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2580 /prefetch:8
              3⤵
                PID:1456
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2008,7894497905378314841,6367085604841577033,131072 --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=3280 /prefetch:1
                3⤵
                  PID:3952
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2008,7894497905378314841,6367085604841577033,131072 --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=2264 /prefetch:1
                  3⤵
                    PID:4016
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2008,7894497905378314841,6367085604841577033,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5500 /prefetch:1
                    3⤵
                      PID:3880
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2008,7894497905378314841,6367085604841577033,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4968 /prefetch:1
                      3⤵
                        PID:2256
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:64

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/2248-168-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-172-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-137-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-139-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-140-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-141-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-142-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-144-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-146-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-148-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-150-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-152-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-154-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-156-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-158-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-160-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-162-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-164-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-166-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-132-0x0000000000400000-0x0000000000872000-memory.dmp

                      Filesize

                      4.4MB

                    • memory/2248-136-0x0000000000400000-0x0000000000872000-memory.dmp

                      Filesize

                      4.4MB

                    • memory/2248-174-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-170-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-176-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-178-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-182-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-180-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-183-0x0000000010000000-0x000000001003D000-memory.dmp

                      Filesize

                      244KB

                    • memory/2248-184-0x0000000000400000-0x0000000000872000-memory.dmp

                      Filesize

                      4.4MB

                    • memory/2248-133-0x0000000000400000-0x0000000000872000-memory.dmp

                      Filesize

                      4.4MB

                    • memory/2248-134-0x0000000077A20000-0x0000000077BC3000-memory.dmp

                      Filesize

                      1.6MB

                    • memory/2248-187-0x0000000000400000-0x0000000000872000-memory.dmp

                      Filesize

                      4.4MB

                    • memory/2248-188-0x0000000077A20000-0x0000000077BC3000-memory.dmp

                      Filesize

                      1.6MB

                    • memory/2248-135-0x0000000077A20000-0x0000000077BC3000-memory.dmp

                      Filesize

                      1.6MB