Analysis

  • max time kernel
    154s
  • max time network
    168s
  • 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 03:37

General

  • Target

    c90bd8239b0fb12a235e47ceb8f28020cdbdab5f31634bf17d161574ba0cc772.exe

  • Size

    199KB

  • MD5

    65a5f38415352c901ff68b66096a1a53

  • SHA1

    80b281c372344246934da2f2e62133aa26f9b1d0

  • SHA256

    c90bd8239b0fb12a235e47ceb8f28020cdbdab5f31634bf17d161574ba0cc772

  • SHA512

    ba4870278e8a748b406372d2786392141c0509dcb1259b0dfc13720c1cbef6d0e48008eab22205e1740a30edef53f3ce396d8f1ef40b61693fddd76847311463

  • SSDEEP

    1536:y8KB6FRAxM4Bss1Tssssssssssssssfz8ssZU72CHLFIZdM/ntcdUhjBY0BqndOf:jKeexP8JUqILFIZO/a+JBGndOUQu

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 9 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c90bd8239b0fb12a235e47ceb8f28020cdbdab5f31634bf17d161574ba0cc772.exe
    "C:\Users\Admin\AppData\Local\Temp\c90bd8239b0fb12a235e47ceb8f28020cdbdab5f31634bf17d161574ba0cc772.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4644
    • 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=c90bd8239b0fb12a235e47ceb8f28020cdbdab5f31634bf17d161574ba0cc772.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:176
      • 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,0x100,0xd4,0x104,0x7ffe36c246f8,0x7ffe36c24708,0x7ffe36c24718
        3⤵
          PID:4884
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,6618185882693122107,8683702085682596921,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
          3⤵
            PID:3484
          • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1012
          • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
            3⤵
              PID:4160
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,6618185882693122107,8683702085682596921,131072 --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=3828 /prefetch:1
              3⤵
                PID:3772
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,6618185882693122107,8683702085682596921,131072 --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=3876 /prefetch:1
                3⤵
                  PID:2892
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,6618185882693122107,8683702085682596921,131072 --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=4660 /prefetch:1
                  3⤵
                    PID:1088
                  • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5468 /prefetch:8
                    3⤵
                      PID:4872
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,6618185882693122107,8683702085682596921,131072 --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=4824 /prefetch:1
                      3⤵
                        PID:3196
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,6618185882693122107,8683702085682596921,131072 --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=3792 /prefetch:1
                        3⤵
                          PID:4828
                        • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4076 /prefetch:8
                          3⤵
                            PID:2328
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,6618185882693122107,8683702085682596921,131072 --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=4076 /prefetch:1
                            3⤵
                              PID:2344
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,6618185882693122107,8683702085682596921,131072 --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=4852 /prefetch:1
                              3⤵
                                PID:4004
                              • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4612 /prefetch:8
                                3⤵
                                  PID:4680
                                • 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:4540
                                  • 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=0x114,0x224,0x228,0x210,0x22c,0x7ff640af5460,0x7ff640af5470,0x7ff640af5480
                                    4⤵
                                      PID:4036
                                  • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4612 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4980
                                  • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3184 /prefetch:8
                                    3⤵
                                      PID:260
                                    • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6168 /prefetch:8
                                      3⤵
                                        PID:2652
                                      • 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=2108,6618185882693122107,8683702085682596921,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3664 /prefetch:8
                                        3⤵
                                          PID:1804
                                      • 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=c90bd8239b0fb12a235e47ceb8f28020cdbdab5f31634bf17d161574ba0cc772.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                        2⤵
                                        • Suspicious use of WriteProcessMemory
                                        PID:3700
                                        • 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,0x100,0xd4,0x104,0x7ffe36c246f8,0x7ffe36c24708,0x7ffe36c24718
                                          3⤵
                                            PID:3716
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,6303014731501487830,16946840761012082426,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:2
                                            3⤵
                                              PID:2708
                                            • 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=2132,6303014731501487830,16946840761012082426,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2292 /prefetch:3
                                              3⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:3188
                                        • C:\Windows\System32\CompPkgSrv.exe
                                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                                          1⤵
                                            PID:2932

                                          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

                                            727230d7b0f8df1633bc043529f5c15d

                                            SHA1

                                            5b24d959d4c5dcf8125125dbee37225d6160af18

                                            SHA256

                                            54961bcb62812886877fcd3ad3896891099cc4bddc51ea6f07a606cf5124d998

                                            SHA512

                                            35735f0dadf7ee69bcccd5e9120d6a55db39138eff58acbe4ea8116fb007c54a024028dccd5f25856ffcf33e1f3bdccfd8d0e2527130a16351debb04c27b8df9

                                          • 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\Local State
                                            Filesize

                                            2KB

                                            MD5

                                            9dd00f20bc1ee0bf7f727235bf0cf3a0

                                            SHA1

                                            ea93c53254d773503f10352c6db5a9886d62653d

                                            SHA256

                                            88b0e3ae76c2f4eeabbf0b16d4b4bca0e246124549518fce58e0b3119d0aca6e

                                            SHA512

                                            f467717521d5db7254587fa43b9858be5171d9fe2ef34acff1f71bf5442ba2e38cda91c8fd30db03da423464f2f5d58e46132922fb0725145bf6d9a57e94e8d6

                                          • \??\pipe\LOCAL\crashpad_176_NENWZASIRBZSGICR
                                            MD5

                                            d41d8cd98f00b204e9800998ecf8427e

                                            SHA1

                                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                                            SHA256

                                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                            SHA512

                                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                          • \??\pipe\LOCAL\crashpad_3700_ORAHADCBKHSZRKGC
                                            MD5

                                            d41d8cd98f00b204e9800998ecf8427e

                                            SHA1

                                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                                            SHA256

                                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                            SHA512

                                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                          • memory/176-132-0x0000000000000000-mapping.dmp
                                          • memory/260-171-0x0000000000000000-mapping.dmp
                                          • memory/1012-143-0x0000000000000000-mapping.dmp
                                          • memory/1088-153-0x0000000000000000-mapping.dmp
                                          • memory/1804-175-0x0000000000000000-mapping.dmp
                                          • memory/2328-161-0x0000000000000000-mapping.dmp
                                          • memory/2344-163-0x0000000000000000-mapping.dmp
                                          • memory/2652-173-0x0000000000000000-mapping.dmp
                                          • memory/2708-139-0x0000000000000000-mapping.dmp
                                          • memory/2892-151-0x0000000000000000-mapping.dmp
                                          • memory/3188-140-0x0000000000000000-mapping.dmp
                                          • memory/3196-157-0x0000000000000000-mapping.dmp
                                          • memory/3484-142-0x0000000000000000-mapping.dmp
                                          • memory/3700-134-0x0000000000000000-mapping.dmp
                                          • memory/3716-135-0x0000000000000000-mapping.dmp
                                          • memory/3772-149-0x0000000000000000-mapping.dmp
                                          • memory/4004-165-0x0000000000000000-mapping.dmp
                                          • memory/4036-167-0x0000000000000000-mapping.dmp
                                          • memory/4160-146-0x0000000000000000-mapping.dmp
                                          • memory/4540-166-0x0000000000000000-mapping.dmp
                                          • memory/4828-159-0x0000000000000000-mapping.dmp
                                          • memory/4872-155-0x0000000000000000-mapping.dmp
                                          • memory/4884-133-0x0000000000000000-mapping.dmp
                                          • memory/4980-169-0x0000000000000000-mapping.dmp