Analysis

  • max time kernel
    185s
  • max time network
    219s
  • 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 15:30

General

  • Target

    5f8e7c1b4fd87cfbff41369dc163e651a7d016c0f53d496867a76ccfee77b308.exe

  • Size

    2MB

  • MD5

    656436ec2c07053b199a19730a74283d

  • SHA1

    ff2b556a5fa2f0c1de17698a52fde3589607877b

  • SHA256

    5f8e7c1b4fd87cfbff41369dc163e651a7d016c0f53d496867a76ccfee77b308

  • SHA512

    07337ac7fcc5529a99b52c97facf554f61a9483ee40d8ca5375607858111b1abd1f10dab66cbf4829d3f9308925267429fb1285e9434d3f65658927151906c03

  • SSDEEP

    24576:IlVCxwY7fti7Hb3Z4e4VtHvtftQih8ESwSMP3/R6pjl:IlMw6tij+eGHhtQiqZjyRSJ

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\5f8e7c1b4fd87cfbff41369dc163e651a7d016c0f53d496867a76ccfee77b308.exe
    "C:\Users\Admin\AppData\Local\Temp\5f8e7c1b4fd87cfbff41369dc163e651a7d016c0f53d496867a76ccfee77b308.exe"
    Suspicious use of SetThreadContext
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\5f8e7c1b4fd87cfbff41369dc163e651a7d016c0f53d496867a76ccfee77b308.exe
      C:\Users\Admin\AppData\Local\Temp\5f8e7c1b4fd87cfbff41369dc163e651a7d016c0f53d496867a76ccfee77b308.exe
      Suspicious use of WriteProcessMemory
      PID:800
      • 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=5f8e7c1b4fd87cfbff41369dc163e651a7d016c0f53d496867a76ccfee77b308.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:404
        • 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,0x100,0x74,0x104,0x7ffc938f46f8,0x7ffc938f4708,0x7ffc938f4718
          PID:4264
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2196 /prefetch:2
          PID:2796
        • 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=2148,5418203680817473802,16240194300045039075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
          Suspicious behavior: EnumeratesProcesses
          PID:2984
        • 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=2148,5418203680817473802,16240194300045039075,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2204 /prefetch:8
          PID:1968
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --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=3316 /prefetch:1
          PID:4912
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --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=3340 /prefetch:1
          PID:4984
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --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=4080 /prefetch:1
          PID:1504
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --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=5560 /prefetch:1
          PID:532
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --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=4776 /prefetch:1
          PID:444
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --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=5876 /prefetch:1
          PID:1756
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --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=5916 /prefetch:1
          PID:1552
        • 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=2148,5418203680817473802,16240194300045039075,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3824 /prefetch:8
          PID:2504
        • 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=2148,5418203680817473802,16240194300045039075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5920 /prefetch:8
          PID:3744
        • 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:1292
          • 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,0x7ff67f685460,0x7ff67f685470,0x7ff67f685480
            PID:1712
        • 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=2148,5418203680817473802,16240194300045039075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5920 /prefetch:8
          Suspicious behavior: EnumeratesProcesses
          PID:3944
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,5418203680817473802,16240194300045039075,131072 --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=6340 /prefetch:2
          Suspicious behavior: EnumeratesProcesses
          PID:2084
      • 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=5f8e7c1b4fd87cfbff41369dc163e651a7d016c0f53d496867a76ccfee77b308.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        PID:4104
        • 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,0x100,0xd4,0x104,0x7ffc938f46f8,0x7ffc938f4708,0x7ffc938f4718
          PID:2652
  • C:\Windows\System32\CompPkgSrv.exe
    C:\Windows\System32\CompPkgSrv.exe -Embedding
    PID:2392

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

                      71b657795f1d63721f304fcf46915016

                      SHA1

                      d2cabf753a2b8888642a3a26878e7f47784153b2

                      SHA256

                      f6d95ff8ef0a6098a3c31bedf0f623555cf3855bab0142f2350f07eb85832c28

                      SHA512

                      dd1d8e6e56463cba11da14b604c4dcedf13e1914c4afab93121f6535a30120e0d907c0129c6eebfc8a0a70a557d2f6d467a24fe0bac960c79519049e1931ea20

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

                      f647a9024e00f209b4882586b48a6d1c

                      SHA1

                      825a1e51260086c4261315dbc9704e1848fe5ff7

                      SHA256

                      77614c9d1cb42c41c0ce0415aecc9a20823ba79bdcdb8a27e90be7a16c57229b

                      SHA512

                      84961cc97defa398b0053b40453db58198b3e5bd2ad59770707ed11eb282eff479664253e616427826b40377e6486cdc1676369324617e5b5b0262b904f2ca9a

                    • \??\pipe\LOCAL\crashpad_404_RFANPFXQTREKSEOA
                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                    • memory/404-136-0x0000000000000000-mapping.dmp
                    • memory/444-157-0x0000000000000000-mapping.dmp
                    • memory/532-155-0x0000000000000000-mapping.dmp
                    • memory/800-135-0x0000000000400000-0x0000000000474000-memory.dmp
                    • memory/800-134-0x0000000000000000-mapping.dmp
                    • memory/1292-164-0x0000000000000000-mapping.dmp
                    • memory/1504-152-0x0000000000000000-mapping.dmp
                    • memory/1552-161-0x0000000000000000-mapping.dmp
                    • memory/1712-165-0x0000000000000000-mapping.dmp
                    • memory/1756-159-0x0000000000000000-mapping.dmp
                    • memory/1968-143-0x0000000000000000-mapping.dmp
                    • memory/2084-167-0x0000000000000000-mapping.dmp
                    • memory/2504-163-0x0000000000000000-mapping.dmp
                    • memory/2652-149-0x0000000000000000-mapping.dmp
                    • memory/2796-139-0x0000000000000000-mapping.dmp
                    • memory/2984-140-0x0000000000000000-mapping.dmp
                    • memory/3944-166-0x0000000000000000-mapping.dmp
                    • memory/4104-148-0x0000000000000000-mapping.dmp
                    • memory/4264-137-0x0000000000000000-mapping.dmp
                    • memory/4912-145-0x0000000000000000-mapping.dmp
                    • memory/4984-147-0x0000000000000000-mapping.dmp