Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2024 12:11

General

  • Target

    remcos_a.exe

  • Size

    430KB

  • MD5

    22d1af47d30f3e75a74f788adb2a789d

  • SHA1

    bd88cca70a4689df9c8c974c01a0eab6eb6b969e

  • SHA256

    84ff1c2b91b2de8e9f1d676b5e9ebb0dead86aa113260900548b60ed15227654

  • SHA512

    d7d3e32f0091366d7545ca944f982c04927da4994462c226e6d27fd75ede7c5a2c01ebb0c59e059ce3e49b18dccb158a4a0bcdd3dc874f35e072ea3503d75832

  • SSDEEP

    6144:FvRscHtVzjwIRFzJZ2p26+jFWXYnj9iT2ebvXmUcCqkmAO2djXH7icDI3:FvRs4OIm2hWX4U2ebvRUAd77a3

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 9 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 25 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\remcos_a.exe
    "C:\Users\Admin\AppData\Local\Temp\remcos_a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2716
    • C:\Windows\SysWOW64\dxdiag.exe
      "C:\Windows\System32\dxdiag.exe" /t C:\Users\Admin\AppData\Local\Temp\sysinfo.txt
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2208
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3332
    • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ff9593746f8,0x7ff959374708,0x7ff959374718
      2⤵
        PID:1896
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,2408908358817509293,5236197061149328623,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
        2⤵
          PID:428
        • 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=2128,2408908358817509293,5236197061149328623,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2316 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1488
        • 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=2128,2408908358817509293,5236197061149328623,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2812 /prefetch:8
          2⤵
            PID:3940
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,2408908358817509293,5236197061149328623,131072 --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=3368 /prefetch:1
            2⤵
              PID:3272
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,2408908358817509293,5236197061149328623,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3376 /prefetch:1
              2⤵
                PID:3600
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,2408908358817509293,5236197061149328623,131072 --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=5076 /prefetch:1
                2⤵
                  PID:3680
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,2408908358817509293,5236197061149328623,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4708 /prefetch:1
                  2⤵
                    PID:3664
                  • 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=2128,2408908358817509293,5236197061149328623,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4780 /prefetch:8
                    2⤵
                      PID:2068
                    • 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=2128,2408908358817509293,5236197061149328623,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4780 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2084
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,2408908358817509293,5236197061149328623,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3464 /prefetch:1
                      2⤵
                        PID:3988
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,2408908358817509293,5236197061149328623,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3680 /prefetch:1
                        2⤵
                          PID:4740
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,2408908358817509293,5236197061149328623,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4188 /prefetch:1
                          2⤵
                            PID:452
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4412
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4336
                            • C:\Windows\system32\AUDIODG.EXE
                              C:\Windows\system32\AUDIODG.EXE 0x404 0x478
                              1⤵
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3440
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k UnistackSvcGroup
                              1⤵
                              • Suspicious use of AdjustPrivilegeToken
                              PID:4752

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

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

                              Filesize

                              152B

                              MD5

                              d7114a6cd851f9bf56cf771c37d664a2

                              SHA1

                              769c5d04fd83e583f15ab1ef659de8f883ecab8a

                              SHA256

                              d2c75c7d68c474d4b8847b4ba6cfd09fe90717f46dd398c86483d825a66e977e

                              SHA512

                              33bdae2305ae98e7c0de576de5a6600bd70a425e7b891d745cba9de992036df1b3d1df9572edb0f89f320e50962d06532dae9491985b6b57fd37d5f46f7a2ff8

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

                              Filesize

                              152B

                              MD5

                              719923124ee00fb57378e0ebcbe894f7

                              SHA1

                              cc356a7d27b8b27dc33f21bd4990f286ee13a9f9

                              SHA256

                              aa22ab845fa08c786bd3366ec39f733d5be80e9ac933ed115ff048ff30090808

                              SHA512

                              a207b6646500d0d504cf70ee10f57948e58dab7f214ad2e7c4af0e7ca23ce1d37c8c745873137e6c55bdcf0f527031a66d9cc54805a0eac3678be6dd497a5bbc

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

                              Filesize

                              6KB

                              MD5

                              68241e976c362365d79135dad512cb9a

                              SHA1

                              9b1f114efe84588468f93c63358c8a385832ed87

                              SHA256

                              c558df859b47fac84f62a146f10b4bfc4ebb159ee3c5c8765b69c70a9977e925

                              SHA512

                              f7b3dd5f3a6a7bf9bc398d414d94f857f8028204b2271844da3b2c5436b1f237c13a3525bf167f75fdb54764e465cd0b43d4055be538ae672b49eb8d7a15c437

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

                              Filesize

                              6KB

                              MD5

                              a3b579e8cfc9ec02f37d349ffccc68af

                              SHA1

                              dbf6fe2cebb33d76fff378a706e8b4bcbe182fd9

                              SHA256

                              b547ef6ace195d78320d3fb0d788521ead92268b2949c4a360b11496b77ab320

                              SHA512

                              64b4c888fecb3f140552c569459a79615cda3bc079cd673721f590625763c12abedbb3f8e630f7cec0d9142a0b8a01bcf0b2e99050f4a578efa662ffa1d74027

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

                              Filesize

                              6KB

                              MD5

                              3e072e2b0acf785a36ce7634a6aedfba

                              SHA1

                              4c68dffc5a2d6bef46d3c1aafe02dec2e0d5c2fd

                              SHA256

                              ec97a0a7da0e81b91d48f14e15569adda83708559939e99e4b2fe5f679ac0a53

                              SHA512

                              6422f7ad60737a582eb1f1b609c0f8b9588e9bc709b5ee4fe2e5c7ee73a1b1fbe06a42302a0eac310ad3092242576d666055d1ea5cf4d821a8d3e3c6866b5242

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                              Filesize

                              16B

                              MD5

                              6752a1d65b201c13b62ea44016eb221f

                              SHA1

                              58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                              SHA256

                              0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                              SHA512

                              9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                              Filesize

                              11KB

                              MD5

                              1bd18e54fd99dde44613d63b2f0acee7

                              SHA1

                              7d2b6fe5f41db051db18d80eaad8871f492b9736

                              SHA256

                              8a7d4d1c160c4a993b8e3eba89b72670abc8757449fd91dc3691493941fb60d2

                              SHA512

                              9b271de175daff3c12f0b389284699438f418a6a10206f625ec765433c414001812563417f400b02e5dc84408af4718f38e98532c14f89167fd3d60160bd76f9

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

                              Filesize

                              11KB

                              MD5

                              c0e899bca78b23de03c5d65825359a4f

                              SHA1

                              f0fb31faeb09c0c9d8733e896b9deeb0762f6d6a

                              SHA256

                              aa6052e2c032f63039cef03a3bb3242b909f7a5e7eb47f69191da6db727da499

                              SHA512

                              05fb113ed1c12b184c73c211bfff5907cd7d9072d5311ed3187cc2fb170369eb9ba4115a8495cf61d8f6362980d95b9fb1182c1429729d8a632efa69e84617ba

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\ShaderCache\GPUCache\data_1

                              Filesize

                              264KB

                              MD5

                              f50f89a0a91564d0b8a211f8921aa7de

                              SHA1

                              112403a17dd69d5b9018b8cede023cb3b54eab7d

                              SHA256

                              b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                              SHA512

                              bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                            • C:\Users\Admin\AppData\Local\Temp\sysinfo.txt

                              Filesize

                              84KB

                              MD5

                              c7dfcf09a0dc6452f805b6c81626b639

                              SHA1

                              966bf66ea0da03e8d9dc6207919ece17facba138

                              SHA256

                              f955c328794e203f8abbd6de9418797acc30b288d32d1cbc849ccffecb430533

                              SHA512

                              21575bd51ae32da4a0e2c3c20431d9ba1b6d051d76d29a3bac37406f5591d8d6b515e04b7554306431618cb85b58eaae2da0daf2235dafd95ea82f491d1ae3bf

                            • memory/2208-156-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-150-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-144-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-146-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-145-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-151-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-155-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-154-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-153-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2208-152-0x00000000023A0000-0x00000000023A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2716-175-0x0000000004310000-0x0000000004320000-memory.dmp

                              Filesize

                              64KB

                            • memory/2716-143-0x0000000010000000-0x0000000010006000-memory.dmp

                              Filesize

                              24KB

                            • memory/2716-142-0x0000000010000000-0x0000000010006000-memory.dmp

                              Filesize

                              24KB

                            • memory/2716-173-0x0000000004310000-0x0000000004320000-memory.dmp

                              Filesize

                              64KB

                            • memory/2716-174-0x0000000004310000-0x0000000004320000-memory.dmp

                              Filesize

                              64KB

                            • memory/2716-176-0x0000000004310000-0x0000000004320000-memory.dmp

                              Filesize

                              64KB

                            • memory/2716-140-0x0000000010000000-0x0000000010006000-memory.dmp

                              Filesize

                              24KB

                            • memory/2716-177-0x0000000004310000-0x0000000004320000-memory.dmp

                              Filesize

                              64KB

                            • memory/4752-194-0x000001CCF5D80000-0x000001CCF5D90000-memory.dmp

                              Filesize

                              64KB

                            • memory/4752-178-0x000001CCF5C80000-0x000001CCF5C90000-memory.dmp

                              Filesize

                              64KB

                            • memory/4752-212-0x000001CCFE120000-0x000001CCFE121000-memory.dmp

                              Filesize

                              4KB

                            • memory/4752-213-0x000001CCFE120000-0x000001CCFE121000-memory.dmp

                              Filesize

                              4KB

                            • memory/4752-210-0x000001CCFE0F0000-0x000001CCFE0F1000-memory.dmp

                              Filesize

                              4KB