Analysis

  • max time kernel
    144s
  • max time network
    173s
  • 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 00:48

General

  • Target

    899a783f972745ee2e398f8fc70016b5c28c867f9c11104a2efae40b9f53a736.exe

  • Size

    96KB

  • MD5

    4819e0b377452677316510d97383bab3

  • SHA1

    67d5a2aced0a5a0e13bc993fe790384500fba987

  • SHA256

    899a783f972745ee2e398f8fc70016b5c28c867f9c11104a2efae40b9f53a736

  • SHA512

    e5895498e9797c0650b26d67d95cc6ffebe19866ef56a97243098df8ba9231efffee5a203656e9910d0654f6fa3a94f5d0a580e0bfdd4c34470b3ee79f25aa77

  • SSDEEP

    1536:TgfBb2wQjibRtsRu2qzh33BcRQx9SDm+ibIfL/WUP99bKNXk9bko:TSBb25jizsKhhv9SDcIf7l19ONXk9ko

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 10 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\899a783f972745ee2e398f8fc70016b5c28c867f9c11104a2efae40b9f53a736.exe
    "C:\Users\Admin\AppData\Local\Temp\899a783f972745ee2e398f8fc70016b5c28c867f9c11104a2efae40b9f53a736.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Users\Admin\AppData\Local\Temp\899a783f972745ee2e398f8fc70016b5c28c867f9c11104a2efae40b9f53a736.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3032
      • 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=899a783f972745ee2e398f8fc70016b5c28c867f9c11104a2efae40b9f53a736.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:1272
        • 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,0x100,0xd4,0x104,0x7ff858d746f8,0x7ff858d74708,0x7ff858d74718
          4⤵
            PID:4300
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,14638925632609650568,5071152742878592407,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:2
            4⤵
              PID:3760
            • 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=2116,14638925632609650568,5071152742878592407,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2232 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3952
            • 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=2116,14638925632609650568,5071152742878592407,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2732 /prefetch:8
              4⤵
                PID:4116
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14638925632609650568,5071152742878592407,131072 --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=3336 /prefetch:1
                4⤵
                  PID:4804
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14638925632609650568,5071152742878592407,131072 --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=3344 /prefetch:1
                  4⤵
                    PID:1600
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14638925632609650568,5071152742878592407,131072 --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=2028 /prefetch:1
                    4⤵
                      PID:4288
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14638925632609650568,5071152742878592407,131072 --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=5764 /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=2116,14638925632609650568,5071152742878592407,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5788 /prefetch:1
                        4⤵
                          PID:3076
                        • 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=2116,14638925632609650568,5071152742878592407,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4928 /prefetch:8
                          4⤵
                            PID:1724
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14638925632609650568,5071152742878592407,131072 --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=6408 /prefetch:1
                            4⤵
                              PID:4928
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14638925632609650568,5071152742878592407,131072 --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=3804 /prefetch:1
                              4⤵
                                PID:3912
                              • 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:2408
                                • 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,0x220,0x230,0x7ff604965460,0x7ff604965470,0x7ff604965480
                                  5⤵
                                    PID:4736
                                • 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=2116,14638925632609650568,5071152742878592407,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3612 /prefetch:8
                                  4⤵
                                    PID:3792
                                  • 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=2116,14638925632609650568,5071152742878592407,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3612 /prefetch:8
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2412
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,14638925632609650568,5071152742878592407,131072 --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=3844 /prefetch:2
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3380
                                • 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=899a783f972745ee2e398f8fc70016b5c28c867f9c11104a2efae40b9f53a736.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                  3⤵
                                    PID:2500
                                    • 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,0x100,0x104,0xd8,0x108,0x7ff858d746f8,0x7ff858d74708,0x7ff858d74718
                                      4⤵
                                        PID:2268
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:1208

                                  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

                                    8be9513fd38b94d4f6b5011b68b60326

                                    SHA1

                                    47feef421fe8de09e36ca685e9cf19d404aa8917

                                    SHA256

                                    5bf3203e8be948e62917ebab13e1b21aec105c473089b233874fac8e5748bb2d

                                    SHA512

                                    cb3dbfa46f3ee28956deab38fefa8276f9efa6ea978ff6b7f810f7f9ba106ed569f017cf5c840ae90fc5f83a1e6dbe50efef8e3412f4f38452a00915b2cc58bc

                                  • \??\pipe\LOCAL\crashpad_1272_RGJUROVKPJHPHHQU
                                    MD5

                                    d41d8cd98f00b204e9800998ecf8427e

                                    SHA1

                                    da39a3ee5e6b4b0d3255bfef95601890afd80709

                                    SHA256

                                    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                    SHA512

                                    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                  • memory/1272-138-0x0000000000000000-mapping.dmp
                                  • memory/1600-149-0x0000000000000000-mapping.dmp
                                  • memory/1724-161-0x0000000000000000-mapping.dmp
                                  • memory/2268-151-0x0000000000000000-mapping.dmp
                                  • memory/2408-166-0x0000000000000000-mapping.dmp
                                  • memory/2412-168-0x0000000000000000-mapping.dmp
                                  • memory/2500-150-0x0000000000000000-mapping.dmp
                                  • memory/3032-135-0x0000000000000000-mapping.dmp
                                  • memory/3032-136-0x0000000000400000-0x0000000000408000-memory.dmp
                                    Filesize

                                    32KB

                                  • memory/3076-159-0x0000000000000000-mapping.dmp
                                  • memory/3380-169-0x0000000000000000-mapping.dmp
                                  • memory/3760-141-0x0000000000000000-mapping.dmp
                                  • memory/3912-165-0x0000000000000000-mapping.dmp
                                  • memory/3952-142-0x0000000000000000-mapping.dmp
                                  • memory/4116-145-0x0000000000000000-mapping.dmp
                                  • memory/4288-154-0x0000000000000000-mapping.dmp
                                  • memory/4300-139-0x0000000000000000-mapping.dmp
                                  • memory/4600-157-0x0000000000000000-mapping.dmp
                                  • memory/4736-167-0x0000000000000000-mapping.dmp
                                  • memory/4804-147-0x0000000000000000-mapping.dmp
                                  • memory/4928-163-0x0000000000000000-mapping.dmp
                                  • memory/5112-132-0x0000000000400000-0x000000000040F000-memory.dmp
                                    Filesize

                                    60KB

                                  • memory/5112-137-0x0000000000400000-0x000000000040F000-memory.dmp
                                    Filesize

                                    60KB