Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 19:30

General

  • Target

    686205943fef920270d7974f8c7b9e2b920c837639784ba49cd523ef4e1c65da.exe

  • Size

    52KB

  • MD5

    4caaa16b48ec94ba538d14f9bb15674f

  • SHA1

    9b6aae08ebf6fd8400bcf677987d61c2bb4cb489

  • SHA256

    686205943fef920270d7974f8c7b9e2b920c837639784ba49cd523ef4e1c65da

  • SHA512

    ccbc4fb0deec3afa2b927eabf5ad69369d3f793da295de0bee70330f72274c86b8e6056f5f2aad9703793fd4169ef23dceba3acebe709b2ed81aba7f479b1a0f

  • SSDEEP

    768:EoyO2MHPFRJ+LqhQ3P8yk2f4JPbAzkV/XZN:1t2MHjELq/yzf4PUzK/p

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 ⋅ 3 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\686205943fef920270d7974f8c7b9e2b920c837639784ba49cd523ef4e1c65da.exe
    "C:\Users\Admin\AppData\Local\Temp\686205943fef920270d7974f8c7b9e2b920c837639784ba49cd523ef4e1c65da.exe"
    Suspicious use of WriteProcessMemory
    PID:2304
    • 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=686205943fef920270d7974f8c7b9e2b920c837639784ba49cd523ef4e1c65da.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      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:4320
      • 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,0x100,0x104,0xd8,0x108,0x7ff82e3046f8,0x7ff82e304708,0x7ff82e304718
        PID:2252
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,13967020969191696895,12332477154646212285,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
        PID:4476
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2272 /prefetch:3
        Suspicious behavior: EnumeratesProcesses
        PID:4704
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2992 /prefetch:8
        PID:3564
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,13967020969191696895,12332477154646212285,131072 --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=3804 /prefetch:1
        PID:428
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,13967020969191696895,12332477154646212285,131072 --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=3812 /prefetch:1
        PID:4452
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4996 /prefetch:8
        PID:1876
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,13967020969191696895,12332477154646212285,131072 --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=5004 /prefetch:1
        PID:4128
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4112 /prefetch:8
        PID:3524
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,13967020969191696895,12332477154646212285,131072 --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=5932 /prefetch:1
        PID:688
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,13967020969191696895,12332477154646212285,131072 --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=5948 /prefetch:1
        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=2072,13967020969191696895,12332477154646212285,131072 --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=5540 /prefetch:1
        PID:2596
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,13967020969191696895,12332477154646212285,131072 --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=5960 /prefetch:1
        PID:720
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5932 /prefetch:8
        PID:2608
      • 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
        Drops file in Program Files directory
        PID:5088
        • 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=0x220,0x224,0x228,0xe0,0x22c,0x7ff7227d5460,0x7ff7227d5470,0x7ff7227d5480
          PID:4452
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5932 /prefetch:8
        Suspicious behavior: EnumeratesProcesses
        PID:4604
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2896 /prefetch:8
        PID:4148
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2908 /prefetch:8
        PID:3884
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3596 /prefetch:8
        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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6000 /prefetch:8
        PID:4008
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1924 /prefetch:8
        PID:3948
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,13967020969191696895,12332477154646212285,131072 --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=2876 /prefetch:2
        Suspicious behavior: EnumeratesProcesses
        PID:4240
      • 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=2072,13967020969191696895,12332477154646212285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4352 /prefetch:8
        PID:3068
    • 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=686205943fef920270d7974f8c7b9e2b920c837639784ba49cd523ef4e1c65da.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      PID:3612
      • 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,0x100,0x104,0xe0,0x108,0x7ff82e3046f8,0x7ff82e304708,0x7ff82e304718
        PID:4640
  • C:\Windows\System32\CompPkgSrv.exe
    C:\Windows\System32\CompPkgSrv.exe -Embedding
    PID:568

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

        Execution

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Privilege Escalation

                    Replay Monitor

                    00:00 00:00

                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                      MD5

                      66bc9611dd085dd5e1366c94b84456cd

                      SHA1

                      613339f5891bf2c9e54ef565c54eb18be42d65fb

                      SHA256

                      27b4949b239ca2e2ce7812dd455868d97ce9c4851bb46eb0d7d5827285dd6c22

                      SHA512

                      196973df9961ef3c91af4836cabe58b6e7df8aa410867ec6769b1407eea99532faf7c6efd351d4ef81f0ab12527756fd146fbe02220c93b9ced8368bd0488be6

                    • \??\pipe\LOCAL\crashpad_4320_GHAPYBTGRPCLBBFC
                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                    • memory/428-142-0x0000000000000000-mapping.dmp
                    • memory/688-152-0x0000000000000000-mapping.dmp
                    • memory/720-162-0x0000000000000000-mapping.dmp
                    • memory/1876-146-0x0000000000000000-mapping.dmp
                    • memory/2252-134-0x0000000000000000-mapping.dmp
                    • memory/2304-132-0x0000000000C70000-0x0000000000C80000-memory.dmp
                    • memory/2304-157-0x0000000000C70000-0x0000000000C80000-memory.dmp
                    • memory/2596-160-0x0000000000000000-mapping.dmp
                    • memory/3068-178-0x0000000000000000-mapping.dmp
                    • memory/3524-150-0x0000000000000000-mapping.dmp
                    • memory/3564-140-0x0000000000000000-mapping.dmp
                    • memory/3612-155-0x0000000000000000-mapping.dmp
                    • memory/3884-169-0x0000000000000000-mapping.dmp
                    • memory/3948-175-0x0000000000000000-mapping.dmp
                    • memory/4008-173-0x0000000000000000-mapping.dmp
                    • memory/4128-148-0x0000000000000000-mapping.dmp
                    • memory/4148-167-0x0000000000000000-mapping.dmp
                    • memory/4240-176-0x0000000000000000-mapping.dmp
                    • memory/4320-133-0x0000000000000000-mapping.dmp
                    • memory/4452-144-0x0000000000000000-mapping.dmp
                    • memory/4452-164-0x0000000000000000-mapping.dmp
                    • memory/4476-136-0x0000000000000000-mapping.dmp
                    • memory/4604-165-0x0000000000000000-mapping.dmp
                    • memory/4640-156-0x0000000000000000-mapping.dmp
                    • memory/4704-137-0x0000000000000000-mapping.dmp
                    • memory/4928-154-0x0000000000000000-mapping.dmp
                    • memory/5088-163-0x0000000000000000-mapping.dmp
                    • memory/5100-171-0x0000000000000000-mapping.dmp