Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 13:23

General

  • Target

    a2c45f4b4e8e9d412c8022c6fa7d1822ca82df8a773f8232a3e3b9115af6bb65.exe

  • Size

    441KB

  • MD5

    0aa6f8dde56755dc07715030ba7b5500

  • SHA1

    0844f6bbfdce65336cdc669ccbf78729cb90802f

  • SHA256

    a2c45f4b4e8e9d412c8022c6fa7d1822ca82df8a773f8232a3e3b9115af6bb65

  • SHA512

    187f2f0adaf8650e7d4325f8e568379c795dab1c3933899dcc50e4549d8c49c4889a52b8161e5b2fbbeb986385b5c36e07009b18c54a3eaf3726380e86ab7680

  • SSDEEP

    12288:rs9DnIcuLAEYxU7uej3v+P2LXdxnEKY07gV:rwrIxLh37BSaXwV

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 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2c45f4b4e8e9d412c8022c6fa7d1822ca82df8a773f8232a3e3b9115af6bb65.exe
    "C:\Users\Admin\AppData\Local\Temp\a2c45f4b4e8e9d412c8022c6fa7d1822ca82df8a773f8232a3e3b9115af6bb65.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4488
    • 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=a2c45f4b4e8e9d412c8022c6fa7d1822ca82df8a773f8232a3e3b9115af6bb65.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • 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:1952
      • 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,0x100,0xd4,0x104,0x7fff063b46f8,0x7fff063b4708,0x7fff063b4718
        3⤵
          PID:3396
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
          3⤵
            PID:3512
          • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2412 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3816
          • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
            3⤵
              PID:4716
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --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=3392 /prefetch:1
              3⤵
                PID:2848
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --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=3400 /prefetch:1
                3⤵
                  PID:3352
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --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=4212 /prefetch:1
                  3⤵
                    PID:2208
                  • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5616 /prefetch:8
                    3⤵
                      PID:4148
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --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=5664 /prefetch:1
                      3⤵
                        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=2156,5333202551890181318,14043254845901355357,131072 --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=5756 /prefetch:1
                        3⤵
                          PID:1292
                        • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3544 /prefetch:8
                          3⤵
                            PID:3372
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --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=6432 /prefetch:1
                            3⤵
                              PID:3428
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --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=6448 /prefetch:1
                              3⤵
                                PID:5092
                              • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6884 /prefetch:8
                                3⤵
                                  PID:1296
                                • 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
                                  3⤵
                                  • Drops file in Program Files directory
                                  PID:4180
                                  • 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=0x258,0x25c,0x260,0x234,0x264,0x7ff7974b5460,0x7ff7974b5470,0x7ff7974b5480
                                    4⤵
                                      PID:3076
                                  • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6884 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3092
                                  • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4400 /prefetch:8
                                    3⤵
                                      PID:1920
                                    • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1268 /prefetch:8
                                      3⤵
                                        PID:912
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --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=5484 /prefetch:2
                                        3⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:1116
                                      • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1984 /prefetch:8
                                        3⤵
                                          PID:3780
                                        • 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=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1708 /prefetch:8
                                          3⤵
                                            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=unzip.mojom.Unzipper --field-trial-handle=2156,5333202551890181318,14043254845901355357,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4688 /prefetch:8
                                            3⤵
                                              PID:4644
                                          • 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=a2c45f4b4e8e9d412c8022c6fa7d1822ca82df8a773f8232a3e3b9115af6bb65.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                            2⤵
                                              PID:548
                                              • 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,0x100,0xd4,0x104,0x7fff063b46f8,0x7fff063b4708,0x7fff063b4718
                                                3⤵
                                                  PID:4220
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:3372

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

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

                                                Filesize

                                                152B

                                                MD5

                                                298eae733a8e896a3acfc30ebe253490

                                                SHA1

                                                05acadbfc7f1f6bc4bfd7bc15c610e3d434fd43a

                                                SHA256

                                                efe422f991b07ee32baf2cc060adcb0d45a24861664b465e1cfca8bf22d0b04a

                                                SHA512

                                                58709b484a9b8bb72e37414e5039e33615175d67c0ffcc7b7234118fe70e6ce4fa2a5ccdeb645f89649c282f4c2a5131f0bd77689a85cbc571e42f1397d3243d

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

                                                Filesize

                                                152B

                                                MD5

                                                89692f5150922abfa71c2d835ca66141

                                                SHA1

                                                901b9d3db78617cde8417edfe691037fddd3f9a1

                                                SHA256

                                                92e92397f1f0960c69cd4cf0fa7fd9f291a601c6fffe8280b0bc81c84b9f20c5

                                                SHA512

                                                8272faf4d0d5d10a665940ded1cb574c9284bb64b9c3c93444f3a564c9a5b335872c29821372ce9b6005aa38daa0c1aeec171477ee91e411ed8282a368359452

                                              • \??\pipe\LOCAL\crashpad_1952_KQEKDIRFRZUXDQNB

                                                MD5

                                                d41d8cd98f00b204e9800998ecf8427e

                                                SHA1

                                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                SHA256

                                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                SHA512

                                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                              • memory/548-145-0x0000000000000000-mapping.dmp

                                              • memory/912-169-0x0000000000000000-mapping.dmp

                                              • memory/1116-170-0x0000000000000000-mapping.dmp

                                              • memory/1292-156-0x0000000000000000-mapping.dmp

                                              • memory/1920-167-0x0000000000000000-mapping.dmp

                                              • memory/1952-133-0x0000000000000000-mapping.dmp

                                              • memory/2208-149-0x0000000000000000-mapping.dmp

                                              • memory/2848-142-0x0000000000000000-mapping.dmp

                                              • memory/2860-154-0x0000000000000000-mapping.dmp

                                              • memory/3076-164-0x0000000000000000-mapping.dmp

                                              • memory/3092-165-0x0000000000000000-mapping.dmp

                                              • memory/3352-144-0x0000000000000000-mapping.dmp

                                              • memory/3372-158-0x0000000000000000-mapping.dmp

                                              • memory/3396-134-0x0000000000000000-mapping.dmp

                                              • memory/3428-160-0x0000000000000000-mapping.dmp

                                              • memory/3512-136-0x0000000000000000-mapping.dmp

                                              • memory/3648-174-0x0000000000000000-mapping.dmp

                                              • memory/3780-172-0x0000000000000000-mapping.dmp

                                              • memory/3816-137-0x0000000000000000-mapping.dmp

                                              • memory/4148-151-0x0000000000000000-mapping.dmp

                                              • memory/4180-163-0x0000000000000000-mapping.dmp

                                              • memory/4220-146-0x0000000000000000-mapping.dmp

                                              • memory/4488-132-0x0000000000810000-0x0000000000907000-memory.dmp

                                                Filesize

                                                988KB

                                              • memory/4644-176-0x0000000000000000-mapping.dmp

                                              • memory/4716-140-0x0000000000000000-mapping.dmp

                                              • memory/5092-162-0x0000000000000000-mapping.dmp