Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 10:04

General

  • Target

    25b4c28e591c75a14d024e25e311789774dd22e431b1c9ce54524c619aeb0ffa.exe

  • Size

    540KB

  • MD5

    402a41803e3aa78fb0f5884a267180d0

  • SHA1

    e6b4d0bd659bf4cf29ad0b65355b21004dd7738f

  • SHA256

    25b4c28e591c75a14d024e25e311789774dd22e431b1c9ce54524c619aeb0ffa

  • SHA512

    9cd921817d84c8e330d780bfb40ca793f321757a9016abb3afc7ea04d35719a96162193fbe1daf33599b0302e70e5775140eb07939def52b3449272f754d076e

  • SSDEEP

    6144:5VTxmEZRQqsK0xGStCt9E6oY/wrvZRQqsK0xGStC69E6oY/wr8lo9U80eLQ9XmeB:5XrTQBNikKw7TQBNLkKwGd80MeyFe

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25b4c28e591c75a14d024e25e311789774dd22e431b1c9ce54524c619aeb0ffa.exe
    "C:\Users\Admin\AppData\Local\Temp\25b4c28e591c75a14d024e25e311789774dd22e431b1c9ce54524c619aeb0ffa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=25b4c28e591c75a14d024e25e311789774dd22e431b1c9ce54524c619aeb0ffa.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      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:2880
      • 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,0x100,0xd4,0x104,0x7ffd78e946f8,0x7ffd78e94708,0x7ffd78e94718
        3⤵
          PID:4120
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
          3⤵
            PID:2096
          • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2220 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:520
          • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2672 /prefetch:8
            3⤵
              PID:2248
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --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=3348 /prefetch:1
              3⤵
                PID:1212
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --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=3352 /prefetch:1
                3⤵
                  PID:1124
                • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4904 /prefetch:8
                  3⤵
                    PID:432
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --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=5108 /prefetch:1
                    3⤵
                      PID:5084
                    • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5684 /prefetch:8
                      3⤵
                        PID:3496
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --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=5784 /prefetch:1
                        3⤵
                          PID:3368
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5736 /prefetch:1
                          3⤵
                            PID:1360
                          • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6092 /prefetch:8
                            3⤵
                              PID:2452
                            • 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:4100
                              • 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=0x224,0x228,0x22c,0x200,0x230,0x7ff619025460,0x7ff619025470,0x7ff619025480
                                4⤵
                                  PID:3464
                              • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6092 /prefetch:8
                                3⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:744
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --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=6128 /prefetch:1
                                3⤵
                                  PID:5096
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6360 /prefetch:1
                                  3⤵
                                    PID:4064
                                  • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5220 /prefetch:8
                                    3⤵
                                      PID:3552
                                    • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3356 /prefetch:8
                                      3⤵
                                        PID:1032
                                      • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5208 /prefetch:8
                                        3⤵
                                          PID:2612
                                        • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1888 /prefetch:8
                                          3⤵
                                            PID:3916
                                          • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6260 /prefetch:8
                                            3⤵
                                              PID:3888
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,1550326955833365733,13439190434255571675,131072 --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=3356 /prefetch:2
                                              3⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:5100
                                            • 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=2112,1550326955833365733,13439190434255571675,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3728 /prefetch:8
                                              3⤵
                                                PID:5016
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=25b4c28e591c75a14d024e25e311789774dd22e431b1c9ce54524c619aeb0ffa.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                              2⤵
                                                PID:2072
                                                • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffd78e946f8,0x7ffd78e94708,0x7ffd78e94718
                                                  3⤵
                                                    PID:4828
                                              • C:\Windows\System32\CompPkgSrv.exe
                                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                                1⤵
                                                  PID:3504

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

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                                                Downloads

                                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                                  Filesize

                                                  152B

                                                  MD5

                                                  9227ba18e4106970788586689f7dddd7

                                                  SHA1

                                                  7e2c112b4b2f2fe7b5d308a2078dc487f8b50c7c

                                                  SHA256

                                                  01d0339bd0406e76af6bbce8ca4e41d6c0bb5e1ac9f5926f1e0627590880e481

                                                  SHA512

                                                  b0fafe3d9e1e5d7e8eb6ba258852ae1d1c9ffb04a6378703755a89e4575d3af1c2b88e5367e0868b7f1ea3ee7f9a76a1541a2846e583621ed495d1d97ff864da

                                                • \??\pipe\LOCAL\crashpad_2880_WJWGYDEHBLPAARNN

                                                  MD5

                                                  d41d8cd98f00b204e9800998ecf8427e

                                                  SHA1

                                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                  SHA256

                                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                  SHA512

                                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                • memory/432-145-0x0000000000000000-mapping.dmp

                                                • memory/520-136-0x0000000000000000-mapping.dmp

                                                • memory/744-159-0x0000000000000000-mapping.dmp

                                                • memory/1032-167-0x0000000000000000-mapping.dmp

                                                • memory/1124-143-0x0000000000000000-mapping.dmp

                                                • memory/1212-141-0x0000000000000000-mapping.dmp

                                                • memory/1360-153-0x0000000000000000-mapping.dmp

                                                • memory/2072-154-0x0000000000000000-mapping.dmp

                                                • memory/2096-135-0x0000000000000000-mapping.dmp

                                                • memory/2248-139-0x0000000000000000-mapping.dmp

                                                • memory/2612-169-0x0000000000000000-mapping.dmp

                                                • memory/2880-132-0x0000000000000000-mapping.dmp

                                                • memory/3368-151-0x0000000000000000-mapping.dmp

                                                • memory/3464-158-0x0000000000000000-mapping.dmp

                                                • memory/3496-149-0x0000000000000000-mapping.dmp

                                                • memory/3552-165-0x0000000000000000-mapping.dmp

                                                • memory/3888-173-0x0000000000000000-mapping.dmp

                                                • memory/3916-171-0x0000000000000000-mapping.dmp

                                                • memory/4064-163-0x0000000000000000-mapping.dmp

                                                • memory/4100-157-0x0000000000000000-mapping.dmp

                                                • memory/4120-133-0x0000000000000000-mapping.dmp

                                                • memory/4828-155-0x0000000000000000-mapping.dmp

                                                • memory/5016-176-0x0000000000000000-mapping.dmp

                                                • memory/5084-147-0x0000000000000000-mapping.dmp

                                                • memory/5096-161-0x0000000000000000-mapping.dmp

                                                • memory/5100-174-0x0000000000000000-mapping.dmp