Analysis

  • max time kernel
    153s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 07:42

General

  • Target

    9a67646b7fa4f057e63a502477ef78896f73c3b824238e26813d4732aee65f48.exe

  • Size

    160KB

  • MD5

    736679d1964c0b73799cd6ab497c5bb0

  • SHA1

    ed67cf8a9c306914df6c9593447f4aa4707d63dd

  • SHA256

    9a67646b7fa4f057e63a502477ef78896f73c3b824238e26813d4732aee65f48

  • SHA512

    163781651f8aae250f7d1acd27b2db0a946a28b3400397261b64b2d4f9ef15b66f724796b49de9bfed2920c0b8442a6da44d5246d610c6174856e09192e25c99

  • SSDEEP

    3072:dG2l/RFbzbnNozqqEEEUCEuRD7zA4TMMdwEcEEEU:rhbzbnmWpd7MKMM

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a67646b7fa4f057e63a502477ef78896f73c3b824238e26813d4732aee65f48.exe
    "C:\Users\Admin\AppData\Local\Temp\9a67646b7fa4f057e63a502477ef78896f73c3b824238e26813d4732aee65f48.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4768
    • C:\Users\Admin\AppData\Local\Temp\9a67646b7fa4f057e63a502477ef78896f73c3b824238e26813d4732aee65f48.exe
      "C:\Users\Admin\AppData\Local\Temp\9a67646b7fa4f057e63a502477ef78896f73c3b824238e26813d4732aee65f48.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:636
      • 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=9a67646b7fa4f057e63a502477ef78896f73c3b824238e26813d4732aee65f48.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        3⤵
        • 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:4380
        • 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,0x100,0xd8,0x104,0x7ffc9bfa46f8,0x7ffc9bfa4708,0x7ffc9bfa4718
          4⤵
            PID:364
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1888,10254829684287711464,10060765271837532834,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2228 /prefetch:2
            4⤵
              PID:524
            • 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=1888,10254829684287711464,10060765271837532834,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2272 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3680
            • 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=1888,10254829684287711464,10060765271837532834,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2776 /prefetch:8
              4⤵
                PID:3840
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10254829684287711464,10060765271837532834,131072 --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
                4⤵
                  PID:4600
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10254829684287711464,10060765271837532834,131072 --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=3364 /prefetch:1
                  4⤵
                    PID:848
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10254829684287711464,10060765271837532834,131072 --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=4004 /prefetch:1
                    4⤵
                      PID:1840
                    • 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=1888,10254829684287711464,10060765271837532834,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5288 /prefetch:8
                      4⤵
                        PID:4264
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10254829684287711464,10060765271837532834,131072 --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
                        4⤵
                          PID:2124
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10254829684287711464,10060765271837532834,131072 --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=5552 /prefetch:1
                          4⤵
                            PID:4036
                          • 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=1888,10254829684287711464,10060765271837532834,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5780 /prefetch:8
                            4⤵
                              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=1888,10254829684287711464,10060765271837532834,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6128 /prefetch:1
                              4⤵
                                PID:3104
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10254829684287711464,10060765271837532834,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6088 /prefetch:1
                                4⤵
                                  PID:1240
                                • 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=1888,10254829684287711464,10060765271837532834,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6504 /prefetch:8
                                  4⤵
                                    PID:2804
                                  • 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
                                    4⤵
                                    • Drops file in Program Files directory
                                    PID:1816
                                    • 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=0x220,0x224,0x228,0x1fc,0x22c,0x7ff74d645460,0x7ff74d645470,0x7ff74d645480
                                      5⤵
                                        PID:4496
                                    • 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=1888,10254829684287711464,10060765271837532834,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6504 /prefetch:8
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4908
                                    • 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=1888,10254829684287711464,10060765271837532834,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5080 /prefetch:8
                                      4⤵
                                        PID:3976
                                    • 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=9a67646b7fa4f057e63a502477ef78896f73c3b824238e26813d4732aee65f48.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                      3⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:4232
                                      • 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,0x100,0xd4,0x104,0x7ffc9bfa46f8,0x7ffc9bfa4708,0x7ffc9bfa4718
                                        4⤵
                                          PID:2416
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:1952

                                    Network

                                    MITRE ATT&CK Matrix ATT&CK v6

                                    Persistence

                                    Registry Run Keys / Startup Folder

                                    1
                                    T1060

                                    Defense Evasion

                                    Modify Registry

                                    1
                                    T1112

                                    Discovery

                                    System Information Discovery

                                    2
                                    T1082

                                    Query Registry

                                    1
                                    T1012

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

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

                                      152B

                                      MD5

                                      7b4b103831d353776ed8bfcc7676f9df

                                      SHA1

                                      40f33a3f791fda49a35224a469cc67b94ca53a23

                                      SHA256

                                      bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                      SHA512

                                      5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

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

                                      152B

                                      MD5

                                      7b4b103831d353776ed8bfcc7676f9df

                                      SHA1

                                      40f33a3f791fda49a35224a469cc67b94ca53a23

                                      SHA256

                                      bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                      SHA512

                                      5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

                                    • \??\pipe\LOCAL\crashpad_4380_HWCNECGISDLNWQJM
                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/364-145-0x0000000000000000-mapping.dmp
                                    • memory/524-147-0x0000000000000000-mapping.dmp
                                    • memory/636-141-0x0000000000000000-mapping.dmp
                                    • memory/636-142-0x0000000000400000-0x000000000040C000-memory.dmp
                                      Filesize

                                      48KB

                                    • memory/848-159-0x0000000000000000-mapping.dmp
                                    • memory/1240-173-0x0000000000000000-mapping.dmp
                                    • memory/1816-174-0x0000000000000000-mapping.dmp
                                    • memory/1840-161-0x0000000000000000-mapping.dmp
                                    • memory/2124-165-0x0000000000000000-mapping.dmp
                                    • memory/2416-151-0x0000000000000000-mapping.dmp
                                    • memory/3104-171-0x0000000000000000-mapping.dmp
                                    • memory/3680-148-0x0000000000000000-mapping.dmp
                                    • memory/3840-154-0x0000000000000000-mapping.dmp
                                    • memory/3976-178-0x0000000000000000-mapping.dmp
                                    • memory/4036-167-0x0000000000000000-mapping.dmp
                                    • memory/4232-150-0x0000000000000000-mapping.dmp
                                    • memory/4264-163-0x0000000000000000-mapping.dmp
                                    • memory/4380-144-0x0000000000000000-mapping.dmp
                                    • memory/4496-175-0x0000000000000000-mapping.dmp
                                    • memory/4600-157-0x0000000000000000-mapping.dmp
                                    • memory/4608-169-0x0000000000000000-mapping.dmp
                                    • memory/4768-134-0x0000000000400000-0x000000000042A000-memory.dmp
                                      Filesize

                                      168KB

                                    • memory/4768-143-0x0000000000400000-0x000000000042A000-memory.dmp
                                      Filesize

                                      168KB

                                    • memory/4768-140-0x0000000000430000-0x0000000000530000-memory.dmp
                                      Filesize

                                      1024KB

                                    • memory/4768-139-0x0000000000430000-0x0000000000530000-memory.dmp
                                      Filesize

                                      1024KB

                                    • memory/4768-137-0x0000000000400000-0x000000000042A000-memory.dmp
                                      Filesize

                                      168KB

                                    • memory/4768-136-0x0000000000400000-0x000000000042A000-memory.dmp
                                      Filesize

                                      168KB

                                    • memory/4908-176-0x0000000000000000-mapping.dmp