Analysis

  • max time kernel
    157s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2022 11:41

General

  • Target

    fe1b0398a97686d5538a9922e81b4cc3518332bf479d5d644f801bfad14089b0.exe

  • Size

    1.1MB

  • MD5

    34e35c911a4ea707fcf1f1047c998a61

  • SHA1

    ca9a16f65a67733cc1bdfa9c0ea4ececba95a80d

  • SHA256

    fe1b0398a97686d5538a9922e81b4cc3518332bf479d5d644f801bfad14089b0

  • SHA512

    d8cb8b1e5e56ec79583f419d10ca7ec7c0d77e51b7b20403d6df1b61ab7c88545ec2a5ad6e0deede461b9aee191112f92a5cede951181bc1c067155cc6bd71d4

  • SSDEEP

    1536:y01fkUy48TqafeC8KbxZDxX7mKtHEBr2h25NACTARjc7P8RvegSU0fh:118UyR+weCrFZDQKCr2h25NCj0P6vwfh

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 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe1b0398a97686d5538a9922e81b4cc3518332bf479d5d644f801bfad14089b0.exe
    "C:\Users\Admin\AppData\Local\Temp\fe1b0398a97686d5538a9922e81b4cc3518332bf479d5d644f801bfad14089b0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Users\Admin\AppData\Local\Temp\fe1b0398a97686d5538a9922e81b4cc3518332bf479d5d644f801bfad14089b0.exe
      C:\Users\Admin\AppData\Local\Temp\fe1b0398a97686d5538a9922e81b4cc3518332bf479d5d644f801bfad14089b0.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5044
      • 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=fe1b0398a97686d5538a9922e81b4cc3518332bf479d5d644f801bfad14089b0.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:2436
        • 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,0x100,0xd4,0x104,0x7ff87f4946f8,0x7ff87f494708,0x7ff87f494718
          4⤵
            PID:1016
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
            4⤵
              PID:3572
            • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2472 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4844
            • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
              4⤵
                PID:3164
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --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=3716 /prefetch:1
                4⤵
                  PID:4552
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --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=3724 /prefetch:1
                  4⤵
                    PID:2320
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --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=4596 /prefetch:1
                    4⤵
                      PID:2080
                    • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2100 /prefetch:8
                      4⤵
                        PID:4032
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --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=5660 /prefetch:1
                        4⤵
                          PID:3000
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --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=5448 /prefetch:1
                          4⤵
                            PID:3148
                          • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6100 /prefetch:8
                            4⤵
                              PID:316
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --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=6296 /prefetch:1
                              4⤵
                                PID:4488
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6312 /prefetch:1
                                4⤵
                                  PID:3636
                                • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6536 /prefetch:8
                                  4⤵
                                    PID:3568
                                  • 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:3940
                                    • 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,0x7ff7bc165460,0x7ff7bc165470,0x7ff7bc165480
                                      5⤵
                                        PID:2476
                                    • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6536 /prefetch:8
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3752
                                    • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4400 /prefetch:8
                                      4⤵
                                        PID:3756
                                      • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2940 /prefetch:8
                                        4⤵
                                          PID:2476
                                        • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1336 /prefetch:8
                                          4⤵
                                            PID:2100
                                          • 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=2152,6694893870100841643,470295613509641627,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4540 /prefetch:8
                                            4⤵
                                              PID:3856
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,6694893870100841643,470295613509641627,131072 --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=2996 /prefetch:2
                                              4⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:4904
                                          • 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=fe1b0398a97686d5538a9922e81b4cc3518332bf479d5d644f801bfad14089b0.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                            3⤵
                                            • Suspicious use of WriteProcessMemory
                                            PID:3056
                                            • 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,0x100,0xd4,0x104,0x7ff87f4946f8,0x7ff87f494708,0x7ff87f494718
                                              4⤵
                                                PID:3852
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,14526519907410836111,13754229437163044871,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:2
                                                4⤵
                                                  PID:4168
                                                • 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=2144,14526519907410836111,13754229437163044871,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2400 /prefetch:3
                                                  4⤵
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  PID:4720
                                          • C:\Windows\System32\CompPkgSrv.exe
                                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                                            1⤵
                                              PID:3640

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

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

                                              Filesize

                                              152B

                                              MD5

                                              e1661723f09a6aed8290c3f836ef2c2b

                                              SHA1

                                              55e08c810da94c08c5ee54ace181d4347f4e2ae5

                                              SHA256

                                              a6527662d502234a1a9847973eb8e39e817aa145c43514229ba720150f74a2f2

                                              SHA512

                                              dcd1e6320510594dd86568608d905ad5aacd4fa2b3369ac4daa1b938f7f0597da64747875a3567e5c05e5de34f77d87f5effdfda8091d01354699711f4bc12ad

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

                                              Filesize

                                              152B

                                              MD5

                                              e1661723f09a6aed8290c3f836ef2c2b

                                              SHA1

                                              55e08c810da94c08c5ee54ace181d4347f4e2ae5

                                              SHA256

                                              a6527662d502234a1a9847973eb8e39e817aa145c43514229ba720150f74a2f2

                                              SHA512

                                              dcd1e6320510594dd86568608d905ad5aacd4fa2b3369ac4daa1b938f7f0597da64747875a3567e5c05e5de34f77d87f5effdfda8091d01354699711f4bc12ad

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

                                              Filesize

                                              152B

                                              MD5

                                              e1661723f09a6aed8290c3f836ef2c2b

                                              SHA1

                                              55e08c810da94c08c5ee54ace181d4347f4e2ae5

                                              SHA256

                                              a6527662d502234a1a9847973eb8e39e817aa145c43514229ba720150f74a2f2

                                              SHA512

                                              dcd1e6320510594dd86568608d905ad5aacd4fa2b3369ac4daa1b938f7f0597da64747875a3567e5c05e5de34f77d87f5effdfda8091d01354699711f4bc12ad

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

                                              Filesize

                                              152B

                                              MD5

                                              e1661723f09a6aed8290c3f836ef2c2b

                                              SHA1

                                              55e08c810da94c08c5ee54ace181d4347f4e2ae5

                                              SHA256

                                              a6527662d502234a1a9847973eb8e39e817aa145c43514229ba720150f74a2f2

                                              SHA512

                                              dcd1e6320510594dd86568608d905ad5aacd4fa2b3369ac4daa1b938f7f0597da64747875a3567e5c05e5de34f77d87f5effdfda8091d01354699711f4bc12ad

                                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                              Filesize

                                              2KB

                                              MD5

                                              4cafe3cd531f459794e450da208159eb

                                              SHA1

                                              76ec72c8fa4e8d545c1fe49e50e64bad1df1e728

                                              SHA256

                                              2cc4061637c1712dd1658c501f40fce21f58743115b6ed8cff7d273fde53cca7

                                              SHA512

                                              a68160dc64c809f9486b4726b96ff8b673c04906015870503ae1e09ee924963d03c5e2320184a6f777403333a89444f5f2212f7ebe4e074bd4af6321ced72d1e

                                            • memory/5044-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB