Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 01:48

General

  • Target

    cfee68b44ab35ac92b2047a62c68880be67cc607abb932765735f41387be1c3b.exe

  • Size

    86KB

  • MD5

    09d3e7def01c15cc15b5ebceb88ddeba

  • SHA1

    44c5bfab99c387554f63b53ebdd6ad276b699327

  • SHA256

    cfee68b44ab35ac92b2047a62c68880be67cc607abb932765735f41387be1c3b

  • SHA512

    a5ab3fa8f79666bc59ff96964552b1da31fb611a93f52569780ca2a1f0d0e80ceeb4de2928aa16ba1a3b15845d6c29ef6008b75d6540d8e82836731a386b3db5

  • SSDEEP

    1536:xWQB0RdzmCpJ7oPf2PnR/qRy24uBTWEFiaLw1bcYfAgmQyG8baO:xWE03LX7bR/qgNqTNFhM1bcSjyG8baO

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 ⋅ 11 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\cfee68b44ab35ac92b2047a62c68880be67cc607abb932765735f41387be1c3b.exe
    "C:\Users\Admin\AppData\Local\Temp\cfee68b44ab35ac92b2047a62c68880be67cc607abb932765735f41387be1c3b.exe"
    Suspicious use of WriteProcessMemory
    PID:1736
    • 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=cfee68b44ab35ac92b2047a62c68880be67cc607abb932765735f41387be1c3b.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:1796
      • 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,0x100,0xd4,0x104,0x7ffc53bb46f8,0x7ffc53bb4708,0x7ffc53bb4718
        PID:3064
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:2
        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=network.mojom.NetworkService --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2328 /prefetch:3
        Suspicious behavior: EnumeratesProcesses
        PID:4432
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2752 /prefetch:8
        PID:4828
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --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=3648 /prefetch:1
        PID:3760
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --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=3160 /prefetch:1
        PID:4080
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5244 /prefetch:8
        PID:3396
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --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=5452 /prefetch:1
        PID:2272
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3160 /prefetch:8
        PID:4000
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --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=5568 /prefetch:1
        PID:528
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --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=5660 /prefetch:1
        PID:2516
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --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=5596 /prefetch:1
        PID:3668
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --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=6228 /prefetch:1
        PID:4948
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6176 /prefetch:8
        PID:4956
      • 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:4400
        • 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=0x220,0x224,0x228,0x1bc,0x22c,0x7ff637c85460,0x7ff637c85470,0x7ff637c85480
          PID:3800
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6176 /prefetch:8
        Suspicious behavior: EnumeratesProcesses
        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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1884 /prefetch:8
        PID:5476
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3180 /prefetch:8
        PID:5544
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3248 /prefetch:8
        PID:5864
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,4385451807044858351,16998178640287366907,131072 --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=1320 /prefetch:2
        Suspicious behavior: EnumeratesProcesses
        PID:5832
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3172 /prefetch:8
        PID:6076
      • 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=2152,4385451807044858351,16998178640287366907,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3212 /prefetch:8
        PID:1736
    • 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=cfee68b44ab35ac92b2047a62c68880be67cc607abb932765735f41387be1c3b.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      PID:2712
      • 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,0x100,0x104,0xd8,0x108,0x7ffc53bb46f8,0x7ffc53bb4708,0x7ffc53bb4718
        PID:2636
  • C:\Windows\System32\CompPkgSrv.exe
    C:\Windows\System32\CompPkgSrv.exe -Embedding
    PID:3992

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

                      66bc9611dd085dd5e1366c94b84456cd

                      SHA1

                      613339f5891bf2c9e54ef565c54eb18be42d65fb

                      SHA256

                      27b4949b239ca2e2ce7812dd455868d97ce9c4851bb46eb0d7d5827285dd6c22

                      SHA512

                      196973df9961ef3c91af4836cabe58b6e7df8aa410867ec6769b1407eea99532faf7c6efd351d4ef81f0ab12527756fd146fbe02220c93b9ced8368bd0488be6

                    • \??\pipe\LOCAL\crashpad_1796_TQEMVMQBIFZMOPJJ
                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                    • memory/528-151-0x0000000000000000-mapping.dmp
                    • memory/1424-135-0x0000000000000000-mapping.dmp
                    • memory/1736-174-0x0000000000000000-mapping.dmp
                    • memory/1796-132-0x0000000000000000-mapping.dmp
                    • memory/2272-147-0x0000000000000000-mapping.dmp
                    • memory/2516-153-0x0000000000000000-mapping.dmp
                    • memory/2636-155-0x0000000000000000-mapping.dmp
                    • memory/2712-154-0x0000000000000000-mapping.dmp
                    • memory/3064-133-0x0000000000000000-mapping.dmp
                    • memory/3396-145-0x0000000000000000-mapping.dmp
                    • memory/3668-158-0x0000000000000000-mapping.dmp
                    • memory/3760-141-0x0000000000000000-mapping.dmp
                    • memory/3800-162-0x0000000000000000-mapping.dmp
                    • memory/4000-149-0x0000000000000000-mapping.dmp
                    • memory/4080-143-0x0000000000000000-mapping.dmp
                    • memory/4400-161-0x0000000000000000-mapping.dmp
                    • memory/4432-136-0x0000000000000000-mapping.dmp
                    • memory/4604-163-0x0000000000000000-mapping.dmp
                    • memory/4828-139-0x0000000000000000-mapping.dmp
                    • memory/4948-160-0x0000000000000000-mapping.dmp
                    • memory/5476-165-0x0000000000000000-mapping.dmp
                    • memory/5544-167-0x0000000000000000-mapping.dmp
                    • memory/5832-170-0x0000000000000000-mapping.dmp
                    • memory/5864-169-0x0000000000000000-mapping.dmp
                    • memory/6076-172-0x0000000000000000-mapping.dmp