Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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 16:45

General

  • Target

    9bc4bd2393aaf95c00ea5aa30e3678a6146e38d652247da543372761c1c1ae2f.exe

  • Size

    260KB

  • MD5

    408a792ed7bbe10e0d4304bf93e8406a

  • SHA1

    ae8425625ba02338d6f695513c9ba7214e4c96d3

  • SHA256

    9bc4bd2393aaf95c00ea5aa30e3678a6146e38d652247da543372761c1c1ae2f

  • SHA512

    7f619d5b3495760d8e45da03e7dba127696d2dc2fb79a4bae37dd14c1a8eb49245dafc462bb81eb4871bc8fa6491426c9c688ee5b30113eb8af944646352114b

  • SSDEEP

    6144:AyLIAHKqhMdGNKyDPnlOf0RIRp7iRNI25gEFYxHR2lcDbauMTfj5AFrflsluokFy:pxhMdGNKyDPnlOzCluokFhrF1PHl3p

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\9bc4bd2393aaf95c00ea5aa30e3678a6146e38d652247da543372761c1c1ae2f.exe
    "C:\Users\Admin\AppData\Local\Temp\9bc4bd2393aaf95c00ea5aa30e3678a6146e38d652247da543372761c1c1ae2f.exe"
    Suspicious use of WriteProcessMemory
    PID:916
    • 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=9bc4bd2393aaf95c00ea5aa30e3678a6146e38d652247da543372761c1c1ae2f.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:1520
      • 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=0x104,0x108,0x10c,0xe0,0x110,0x7ff91d4e46f8,0x7ff91d4e4708,0x7ff91d4e4718
        PID:972
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2256 /prefetch:3
        Suspicious behavior: EnumeratesProcesses
        PID:5068
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2188 /prefetch:2
        PID:2028
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2772 /prefetch:8
        PID:980
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --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=3692 /prefetch:1
        PID:3660
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --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=3900 /prefetch:1
        PID:64
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5404 /prefetch:8
        PID:4516
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --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=5528 /prefetch:1
        PID:3000
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5696 /prefetch:8
        PID:1764
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --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=5800 /prefetch:1
        PID:2860
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --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=5704 /prefetch:1
        PID:2764
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5488 /prefetch:8
        PID:1312
      • 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:2784
        • 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,0x7ff7375a5460,0x7ff7375a5470,0x7ff7375a5480
          PID:2308
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5488 /prefetch:8
        Suspicious behavior: EnumeratesProcesses
        PID:4932
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --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=6052 /prefetch:1
        PID:4456
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6108 /prefetch:1
        PID:3892
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3132 /prefetch:8
        PID:1424
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3460 /prefetch:8
        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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2996 /prefetch:8
        PID:4952
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3092 /prefetch:8
        PID:3316
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,14362243730282106194,4150910492185358574,131072 --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=1864 /prefetch:2
        Suspicious behavior: EnumeratesProcesses
        PID:1692
      • 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=2136,14362243730282106194,4150910492185358574,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3132 /prefetch:8
        PID:4568
    • 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=9bc4bd2393aaf95c00ea5aa30e3678a6146e38d652247da543372761c1c1ae2f.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      PID:4920
      • 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,0x100,0x104,0xd8,0x108,0x7ff91d4e46f8,0x7ff91d4e4708,0x7ff91d4e4718
        PID:2696
  • C:\Windows\System32\CompPkgSrv.exe
    C:\Windows\System32\CompPkgSrv.exe -Embedding
    PID:2804

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
                      Filesize

                      152B

                      MD5

                      8be9513fd38b94d4f6b5011b68b60326

                      SHA1

                      47feef421fe8de09e36ca685e9cf19d404aa8917

                      SHA256

                      5bf3203e8be948e62917ebab13e1b21aec105c473089b233874fac8e5748bb2d

                      SHA512

                      cb3dbfa46f3ee28956deab38fefa8276f9efa6ea978ff6b7f810f7f9ba106ed569f017cf5c840ae90fc5f83a1e6dbe50efef8e3412f4f38452a00915b2cc58bc

                    • \??\pipe\LOCAL\crashpad_1520_QJYUQTCMZQHVTBTG
                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                    • memory/64-144-0x0000000000000000-mapping.dmp
                    • memory/916-160-0x0000000000DD0000-0x0000000000E18000-memory.dmp
                      Filesize

                      288KB

                    • memory/916-132-0x0000000000DD0000-0x0000000000E18000-memory.dmp
                      Filesize

                      288KB

                    • memory/972-134-0x0000000000000000-mapping.dmp
                    • memory/980-140-0x0000000000000000-mapping.dmp
                    • memory/1424-167-0x0000000000000000-mapping.dmp
                    • memory/1520-133-0x0000000000000000-mapping.dmp
                    • memory/1692-174-0x0000000000000000-mapping.dmp
                    • memory/1764-150-0x0000000000000000-mapping.dmp
                    • memory/2028-136-0x0000000000000000-mapping.dmp
                    • memory/2308-156-0x0000000000000000-mapping.dmp
                    • memory/2696-158-0x0000000000000000-mapping.dmp
                    • memory/2764-154-0x0000000000000000-mapping.dmp
                    • memory/2784-155-0x0000000000000000-mapping.dmp
                    • memory/2860-152-0x0000000000000000-mapping.dmp
                    • memory/3000-148-0x0000000000000000-mapping.dmp
                    • memory/3316-173-0x0000000000000000-mapping.dmp
                    • memory/3660-142-0x0000000000000000-mapping.dmp
                    • memory/3892-165-0x0000000000000000-mapping.dmp
                    • memory/4456-163-0x0000000000000000-mapping.dmp
                    • memory/4516-146-0x0000000000000000-mapping.dmp
                    • memory/4568-176-0x0000000000000000-mapping.dmp
                    • memory/4604-169-0x0000000000000000-mapping.dmp
                    • memory/4920-157-0x0000000000000000-mapping.dmp
                    • memory/4932-161-0x0000000000000000-mapping.dmp
                    • memory/4952-171-0x0000000000000000-mapping.dmp
                    • memory/5068-137-0x0000000000000000-mapping.dmp