Analysis

  • max time kernel
    188s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 05:49

General

  • Target

    光棍节快速免费WEB刷花协议/WEB无限刷花协议11.11.exe

  • Size

    1.6MB

  • MD5

    f84e4dd9cddd7925078a10cae8009c31

  • SHA1

    97a94ed43ec689934fe7af84f9570194570fc781

  • SHA256

    54adb1549616d0c11a9b6aa9c3a7363e8d65ca00261332db793dbb24d59ce8e2

  • SHA512

    3e0d7c91b144ef52ad988e53a80a1b4457d9b77e5350341f4706b2707abc5b416aa761d1c35fdd4c13c5b5bdc935670e2ee957fe62c296c3d6dab8876a2c513b

  • SSDEEP

    24576:HNw52RX3IGgsPJnOK5BF6t1poyRBKx3htCYpJ4+I0z1N2V2:HDBhrFulixtC24+RU2

Malware Config

Signatures

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 5 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 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 7 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 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\光棍节快速免费WEB刷花协议\WEB无限刷花协议11.11.exe
    "C:\Users\Admin\AppData\Local\Temp\光棍节快速免费WEB刷花协议\WEB无限刷花协议11.11.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4428
    • C:\Windows\SysWOW64\yyberi.exe
      C:\Windows\System32\/yyberi.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:220
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.2345.com/?kduowanyy
      2⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5036
      • 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=0x108,0x10c,0x110,0xe4,0x114,0x7ffd790146f8,0x7ffd79014708,0x7ffd79014718
        3⤵
          PID:1420
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,14941940918904023186,10823970196361199276,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2200 /prefetch:2
          3⤵
            PID:3128
          • 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=2084,14941940918904023186,10823970196361199276,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2252 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3232
          • 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=2084,14941940918904023186,10823970196361199276,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2752 /prefetch:8
            3⤵
              PID:2684
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14941940918904023186,10823970196361199276,131072 --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=3360 /prefetch:1
              3⤵
                PID:1372
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14941940918904023186,10823970196361199276,131072 --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=3368 /prefetch:1
                3⤵
                  PID:4252
                • 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=2084,14941940918904023186,10823970196361199276,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4848 /prefetch:8
                  3⤵
                    PID:2144
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14941940918904023186,10823970196361199276,131072 --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=4956 /prefetch:1
                    3⤵
                      PID:3608
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,14941940918904023186,10823970196361199276,131072 --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=2632 /prefetch:2
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2176
                    • 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=2084,14941940918904023186,10823970196361199276,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5728 /prefetch:8
                      3⤵
                        PID:2896
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14941940918904023186,10823970196361199276,131072 --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=5756 /prefetch:1
                        3⤵
                          PID:3604
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14941940918904023186,10823970196361199276,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5676 /prefetch:1
                          3⤵
                            PID:4756
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:2328

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • C:\Windows\SysWOW64\yyberi.exe

                          Filesize

                          476KB

                          MD5

                          262c5d4706f08de4ee40cfd533f0c3d6

                          SHA1

                          3150ca9f7b477d1403bf3a4af73ee712cc8797f1

                          SHA256

                          81bdb4e664879104d8754aad80bfc7f189450da3ea000198960fbd0c2c98ae67

                          SHA512

                          1b72667b8428437ba68d994ff5b5918fed58d143f486b64089675d1bdca5afdfe4871df519082e7b26ac480b3d488c4a98abcf8375dcb4cdd8a2c57fe99b3a51

                        • C:\Windows\SysWOW64\yyberi.exe

                          Filesize

                          476KB

                          MD5

                          262c5d4706f08de4ee40cfd533f0c3d6

                          SHA1

                          3150ca9f7b477d1403bf3a4af73ee712cc8797f1

                          SHA256

                          81bdb4e664879104d8754aad80bfc7f189450da3ea000198960fbd0c2c98ae67

                          SHA512

                          1b72667b8428437ba68d994ff5b5918fed58d143f486b64089675d1bdca5afdfe4871df519082e7b26ac480b3d488c4a98abcf8375dcb4cdd8a2c57fe99b3a51

                        • \??\pipe\LOCAL\crashpad_5036_ISOHZGCNDFZHULKT

                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/220-135-0x0000000000400000-0x00000000005A7000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/220-137-0x0000000000400000-0x00000000005A7000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/220-154-0x0000000000400000-0x00000000005A7000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/220-132-0x0000000000000000-mapping.dmp

                        • memory/1372-147-0x0000000000000000-mapping.dmp

                        • memory/1420-139-0x0000000000000000-mapping.dmp

                        • memory/2144-151-0x0000000000000000-mapping.dmp

                        • memory/2176-155-0x0000000000000000-mapping.dmp

                        • memory/2684-145-0x0000000000000000-mapping.dmp

                        • memory/2896-157-0x0000000000000000-mapping.dmp

                        • memory/3128-141-0x0000000000000000-mapping.dmp

                        • memory/3232-142-0x0000000000000000-mapping.dmp

                        • memory/3604-159-0x0000000000000000-mapping.dmp

                        • memory/3608-153-0x0000000000000000-mapping.dmp

                        • memory/4252-149-0x0000000000000000-mapping.dmp

                        • memory/4756-161-0x0000000000000000-mapping.dmp

                        • memory/5036-138-0x0000000000000000-mapping.dmp