Analysis

  • max time kernel
    150s
  • max time network
    176s
  • 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 14:51

General

  • Target

    5de35c25fa3087d3169a013d1117264e0cdee4b5ea71628ae5e75b5a76cf8c43.exe

  • Size

    26KB

  • MD5

    77dc610e8e56e8236110ca526e2c0420

  • SHA1

    a060105129848c4b6fac87f6a41eb6b2ce4be4fd

  • SHA256

    5de35c25fa3087d3169a013d1117264e0cdee4b5ea71628ae5e75b5a76cf8c43

  • SHA512

    9e061ab2005d393ae7fdf63f483d7702dd1a3f24ef29910f3bf3e2ba549d675e61285a838081ab8bfe3da0a73f1fccd8fade19c09d0c33c63d7441829fbdbe68

  • SSDEEP

    384:JDowEhdUj1NiEgFrSSXgirpbSWUJWwGbE5lPTEcwCeNGG:JDo8VG2MRFbw10cwCOV

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\5de35c25fa3087d3169a013d1117264e0cdee4b5ea71628ae5e75b5a76cf8c43.exe
    "C:\Users\Admin\AppData\Local\Temp\5de35c25fa3087d3169a013d1117264e0cdee4b5ea71628ae5e75b5a76cf8c43.exe"
    Suspicious use of WriteProcessMemory
    PID:2040
    • 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=5de35c25fa3087d3169a013d1117264e0cdee4b5ea71628ae5e75b5a76cf8c43.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:2616
      • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ffdf63146f8,0x7ffdf6314708,0x7ffdf6314718
        PID:4232
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2204 /prefetch:2
        PID:3648
      • 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=2156,10110944766870794828,11946763488448277307,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2256 /prefetch:3
        Suspicious behavior: EnumeratesProcesses
        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=storage.mojom.StorageService --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2764 /prefetch:8
        PID:3052
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --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=3388 /prefetch:1
        PID:4336
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --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=3396 /prefetch:1
        PID:4696
      • 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=2156,10110944766870794828,11946763488448277307,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4816 /prefetch:8
        PID:1460
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --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=5024 /prefetch:1
        PID:1508
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --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=5876 /prefetch:1
        PID:4812
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --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=4980 /prefetch:1
        PID:1104
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --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=4988 /prefetch:1
        PID:4640
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --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=3716 /prefetch:1
        PID:2184
      • 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=2156,10110944766870794828,11946763488448277307,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=7072 /prefetch:8
        PID:1496
      • 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:2548
        • 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,0x7ff7fe1d5460,0x7ff7fe1d5470,0x7ff7fe1d5480
          PID:4760
      • 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=2156,10110944766870794828,11946763488448277307,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=7072 /prefetch:8
        Suspicious behavior: EnumeratesProcesses
        PID:1452
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2156,10110944766870794828,11946763488448277307,131072 --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=3784 /prefetch:2
        Suspicious behavior: EnumeratesProcesses
        PID:2736
    • 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=5de35c25fa3087d3169a013d1117264e0cdee4b5ea71628ae5e75b5a76cf8c43.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      PID:1232
      • 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,0x100,0x104,0xd8,0x108,0x7ffdf63146f8,0x7ffdf6314708,0x7ffdf6314718
        PID:3892
  • C:\Windows\System32\CompPkgSrv.exe
    C:\Windows\System32\CompPkgSrv.exe -Embedding
    PID:3836

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

                      8be9513fd38b94d4f6b5011b68b60326

                      SHA1

                      47feef421fe8de09e36ca685e9cf19d404aa8917

                      SHA256

                      5bf3203e8be948e62917ebab13e1b21aec105c473089b233874fac8e5748bb2d

                      SHA512

                      cb3dbfa46f3ee28956deab38fefa8276f9efa6ea978ff6b7f810f7f9ba106ed569f017cf5c840ae90fc5f83a1e6dbe50efef8e3412f4f38452a00915b2cc58bc

                    • \??\pipe\LOCAL\crashpad_2616_TWNIXDREYODZFWCX
                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                    • memory/1104-156-0x0000000000000000-mapping.dmp
                    • memory/1232-149-0x0000000000000000-mapping.dmp
                    • memory/1452-163-0x0000000000000000-mapping.dmp
                    • memory/1460-146-0x0000000000000000-mapping.dmp
                    • memory/1508-148-0x0000000000000000-mapping.dmp
                    • memory/2040-132-0x0000000000260000-0x00000000002698E7-memory.dmp
                    • memory/2040-153-0x0000000000260000-0x00000000002698E7-memory.dmp
                    • memory/2184-160-0x0000000000000000-mapping.dmp
                    • memory/2548-161-0x0000000000000000-mapping.dmp
                    • memory/2616-133-0x0000000000000000-mapping.dmp
                    • memory/2736-164-0x0000000000000000-mapping.dmp
                    • memory/3052-140-0x0000000000000000-mapping.dmp
                    • memory/3648-136-0x0000000000000000-mapping.dmp
                    • memory/3892-150-0x0000000000000000-mapping.dmp
                    • memory/3916-137-0x0000000000000000-mapping.dmp
                    • memory/4232-134-0x0000000000000000-mapping.dmp
                    • memory/4336-142-0x0000000000000000-mapping.dmp
                    • memory/4640-158-0x0000000000000000-mapping.dmp
                    • memory/4696-144-0x0000000000000000-mapping.dmp
                    • memory/4760-162-0x0000000000000000-mapping.dmp
                    • memory/4812-154-0x0000000000000000-mapping.dmp