Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    26-09-2021 16:36

General

  • Target

    https://expertsystemgroup.com/file_media/file_image/file/sezimifum.pdf

  • Sample

    210926-t4nvbafaej

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" https://expertsystemgroup.com/file_media/file_image/file/sezimifum.pdf
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xd4,0xd8,0xdc,0xb0,0xe0,0x7ff939b84f50,0x7ff939b84f60,0x7ff939b84f70
      2⤵
        PID:2704
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1500 /prefetch:2
        2⤵
          PID:1516
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1720 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3556
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2148 /prefetch:8
          2⤵
            PID:1292
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2912 /prefetch:1
            2⤵
              PID:516
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2924 /prefetch:1
              2⤵
                PID:4076
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4116 /prefetch:8
                2⤵
                  PID:2664
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4116 /prefetch:1
                  2⤵
                    PID:3528
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3528 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3748
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4816 /prefetch:8
                    2⤵
                      PID:1424
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4960 /prefetch:8
                      2⤵
                        PID:3688
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4972 /prefetch:8
                        2⤵
                          PID:3748
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4532 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4004
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5040 /prefetch:8
                          2⤵
                            PID:3460
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3456 /prefetch:8
                            2⤵
                              PID:3496
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4836 /prefetch:8
                              2⤵
                                PID:436
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5144 /prefetch:8
                                2⤵
                                  PID:1560
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4484 /prefetch:8
                                  2⤵
                                    PID:4076
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4856 /prefetch:1
                                    2⤵
                                      PID:872
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5024 /prefetch:1
                                      2⤵
                                        PID:3856
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5252 /prefetch:1
                                        2⤵
                                          PID:1984
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4968 /prefetch:8
                                          2⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:4128
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3188 /prefetch:8
                                          2⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:4180
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4208 /prefetch:1
                                          2⤵
                                            PID:4232
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2912 /prefetch:8
                                            2⤵
                                              PID:4340
                                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2908 /prefetch:8
                                              2⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:4396
                                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2300 /prefetch:8
                                              2⤵
                                                PID:4456
                                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5064 /prefetch:8
                                                2⤵
                                                  PID:4600
                                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3464 /prefetch:8
                                                  2⤵
                                                    PID:4660
                                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1428,13704676814765543259,17849750268580328145,131072 --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=10.0.15063.0 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=3096 /prefetch:2
                                                    2⤵
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    PID:4720

                                                Network

                                                MITRE ATT&CK Matrix ATT&CK v6

                                                Discovery

                                                Query Registry

                                                1
                                                T1012

                                                System Information Discovery

                                                1
                                                T1082

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • \??\pipe\crashpad_2668_FJDCLJBDIUXVGLKV
                                                  MD5

                                                  d41d8cd98f00b204e9800998ecf8427e

                                                  SHA1

                                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                  SHA256

                                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                  SHA512

                                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                • memory/436-194-0x0000000000000000-mapping.dmp
                                                • memory/516-137-0x0000000000000000-mapping.dmp
                                                • memory/872-209-0x0000000000000000-mapping.dmp
                                                • memory/1292-130-0x0000000000000000-mapping.dmp
                                                • memory/1424-166-0x0000000000000000-mapping.dmp
                                                • memory/1516-123-0x00007FF943BB0000-0x00007FF943BB1000-memory.dmp
                                                  Filesize

                                                  4KB

                                                • memory/1516-121-0x0000000000000000-mapping.dmp
                                                • memory/1560-199-0x0000000000000000-mapping.dmp
                                                • memory/1984-223-0x0000000000000000-mapping.dmp
                                                • memory/2664-151-0x0000000000000000-mapping.dmp
                                                • memory/2704-117-0x0000000000000000-mapping.dmp
                                                • memory/3460-184-0x0000000000000000-mapping.dmp
                                                • memory/3496-189-0x0000000000000000-mapping.dmp
                                                • memory/3528-156-0x0000000000000000-mapping.dmp
                                                • memory/3556-122-0x0000000000000000-mapping.dmp
                                                • memory/3688-171-0x0000000000000000-mapping.dmp
                                                • memory/3748-176-0x0000000000000000-mapping.dmp
                                                • memory/3748-162-0x0000000000000000-mapping.dmp
                                                • memory/3856-216-0x0000000000000000-mapping.dmp
                                                • memory/4004-177-0x0000000000000000-mapping.dmp
                                                • memory/4076-204-0x0000000000000000-mapping.dmp
                                                • memory/4076-140-0x0000000000000000-mapping.dmp
                                                • memory/4128-229-0x0000000000000000-mapping.dmp
                                                • memory/4180-232-0x0000000000000000-mapping.dmp
                                                • memory/4232-236-0x0000000000000000-mapping.dmp
                                                • memory/4340-243-0x0000000000000000-mapping.dmp
                                                • memory/4396-247-0x0000000000000000-mapping.dmp
                                                • memory/4456-251-0x0000000000000000-mapping.dmp
                                                • memory/4600-256-0x0000000000000000-mapping.dmp
                                                • memory/4660-261-0x0000000000000000-mapping.dmp
                                                • memory/4720-265-0x0000000000000000-mapping.dmp