Analysis

  • max time kernel
    142s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2023, 15:29

General

  • Target
    ca.exe
  • Size 485KB
  • Sample231027-sw5bnafc71
  • SHA256 f9932b364f52c6fe0191e34ddcba772df8460bf579f422cabd93ca192bb3e1a6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca.exe
    "C:\Users\Admin\AppData\Local\Temp\ca.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4224
    • 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=ca.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3512
      • 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,0x100,0x104,0xd8,0x108,0x7ffd933d46f8,0x7ffd933d4708,0x7ffd933d4718
        3⤵
          PID:760
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
          3⤵
            PID:2840
          • 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=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:436
          • 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=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2644 /prefetch:8
            3⤵
              PID:2104
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3152 /prefetch:1
              3⤵
                PID:3280
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3180 /prefetch:1
                3⤵
                  PID:2128
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4836 /prefetch:1
                  3⤵
                    PID:2416
                  • 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=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5152 /prefetch:8
                    3⤵
                      PID:4360
                    • 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=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5152 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1420
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3460 /prefetch:1
                      3⤵
                        PID:4364
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5204 /prefetch:1
                        3⤵
                          PID:5052
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3788 /prefetch:1
                          3⤵
                            PID:3992
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4864 /prefetch:1
                            3⤵
                              PID:4896
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3460 /prefetch:1
                              3⤵
                                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=2112,18132265290705127391,9856598915711579546,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5320 /prefetch:1
                                3⤵
                                  PID:3516
                              • 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=ca.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                2⤵
                                  PID:1580
                                  • 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,0x100,0x104,0xd8,0x108,0x7ffd933d46f8,0x7ffd933d4708,0x7ffd933d4718
                                    3⤵
                                      PID:4592
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:4596
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:944

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 152B
                                          • SHA256 1840d5c60c79874359414677662439087173c575d814c07ebe661ae1cebb639e
                                          • MD5 SHA1 SHA512

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 152B
                                          • SHA256 1840d5c60c79874359414677662439087173c575d814c07ebe661ae1cebb639e
                                          • MD5 SHA1 SHA512

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 152B
                                          • SHA256 1840d5c60c79874359414677662439087173c575d814c07ebe661ae1cebb639e
                                          • MD5 SHA1 SHA512

                                          the-real-index

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                          • Size 168B
                                          • SHA256 38c405978306ed8ea482c991695d8321a0f0bb88b8659785a72388b67b316234
                                          • MD5 SHA1 SHA512

                                          the-real-index

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                          • Size 264B
                                          • SHA256 63cc51fb965b12ac4b46ee74c5f5c76995a406d713859a1a88b1754147408714
                                          • MD5 SHA1 SHA512

                                          Network Persistent State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                          • Size 111B
                                          • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                          • MD5 SHA1 SHA512

                                          Network Persistent State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                          • Size 437B
                                          • SHA256 3aacb982b8861c38a392829ee3156d05dfdd46b0ecb46154f0ea9374557bc0fd
                                          • MD5 SHA1 SHA512

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 6KB
                                          • SHA256 140d28377d9da296819a1a1f9aab55718303dbf42eed7b0bc23410c14ca015e2
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 5KB
                                          • SHA256 3f4a1ffa1c8a07c8faafa5be2987cedf68f938162396e276e27d5a37fa9367d3
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 7KB
                                          • SHA256 2ca881b49b77d4e31451b41f004a608fbc4992a962f2190b8121f17a30463bfc
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Secure Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                          • Size 24KB
                                          • SHA256 cc9bd0953e70356e31a957ad9a9b1926f5e2a9f6a297cdef303ac693a2a86b7f
                                          • MD5 SHA1 SHA512 SSDEEP

                                          TransportSecurity

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity
                                          • Size 371B
                                          • SHA256 fcabaed4f6162286e53a43b1bcead3362fea157a904aee4566484f0caf06fbf6
                                          • MD5 SHA1 SHA512

                                          TransportSecurity~RFe584a62.TMP

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe584a62.TMP
                                          • Size 371B
                                          • SHA256 8c72f8154d637e10e535fe9636ef4786b58d8f203521fecae12a713a3ee17a0a
                                          • MD5 SHA1 SHA512

                                          CURRENT

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                          • Size 16B
                                          • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                          • MD5 SHA1 SHA512

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 10KB
                                          • SHA256 83a316e03763a3518af1e4d1eec2e333374c7f5b51eb84c8b2fa1d1b108b78f2
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 10KB
                                          • SHA256 e40fab7bdce43e7145a51f277c0df3e960dcb99220af4028157416ee860d0df8
                                          • MD5 SHA1 SHA512 SSDEEP

                                          memory/4224-0-0x0000000000400000-0x000000000047E000-memory.dmp

                                          memory/4224-60-0x0000000000400000-0x000000000047E000-memory.dmp

                                          memory/4224-1-0x0000000000550000-0x00000000005AA000-memory.dmp