Analysis

  • max time kernel
    145s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-05-2024 14:16

General

  • Target

    https://github.com/fecokathatarraspro/Chronos/archive/refs/heads/main.zip

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/fecokathatarraspro/Chronos/archive/refs/heads/main.zip
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3380
    • 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,0x100,0x104,0xd8,0x108,0x7ffbc2a746f8,0x7ffbc2a74708,0x7ffbc2a74718
      2⤵
        PID:2864
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
        2⤵
          PID:4856
        • 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=2072,17257719321276311466,12287793457200326229,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1032
        • 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=2072,17257719321276311466,12287793457200326229,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2832 /prefetch:8
          2⤵
            PID:3764
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --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=3280 /prefetch:1
            2⤵
              PID:1152
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --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=3288 /prefetch:1
              2⤵
                PID:2976
              • 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=2072,17257719321276311466,12287793457200326229,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5332 /prefetch:8
                2⤵
                  PID:1724
                • 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=2072,17257719321276311466,12287793457200326229,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5332 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2368
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4664 /prefetch:8
                  2⤵
                    PID:1424
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --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=5416 /prefetch:1
                    2⤵
                      PID:2924
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5620 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4332
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --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=6028 /prefetch:1
                      2⤵
                        PID:5296
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6160 /prefetch:1
                        2⤵
                          PID:5304
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --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=5864 /prefetch:1
                          2⤵
                            PID:5476
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6168 /prefetch:1
                            2⤵
                              PID:5484
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,17257719321276311466,12287793457200326229,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --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=4816 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2680
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3960
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3308
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:4444
                                • C:\Windows\System32\WScript.exe
                                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Temp1_Chronos-main.zip\Chronos-main\chronos.vbs"
                                  1⤵
                                  • Checks computer location settings
                                  • Sets desktop wallpaper using registry
                                  • Modifies Control Panel
                                  PID:2892
                                  • C:\Windows\System32\rundll32.exe
                                    "C:\Windows\System32\rundll32.exe" user32.dll,UpdatePerUserSystemParameters
                                    2⤵
                                      PID:5148

                                  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

                                    dbac49e66219979194c79f1cf1cb3dd1

                                    SHA1

                                    4ef87804a04d51ae1fac358f92382548b27f62f2

                                    SHA256

                                    f24ed6c5bf4b734a9af4d64e14a80a160bea569f50849f70bf7b7277c4f48562

                                    SHA512

                                    bb314d61f53cf7774f6dfb6b772c72f5daf386bc3d27d2bb7a14c65848ee86e6c48e9c5696693ded31846b69b9372a530175df48494e3d61a228e49d43401ad1

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

                                    Filesize

                                    152B

                                    MD5

                                    a9e55f5864d6e2afd2fd84e25a3bc228

                                    SHA1

                                    a5efcff9e3df6252c7fe8535d505235f82aab276

                                    SHA256

                                    0f4df3120e4620555916be8e51c29be8d600d68ae5244efad6a0268aabc8c452

                                    SHA512

                                    12f45fa73a6de6dfe17acc8b52b60f2d79008da130730b74cc138c1dcd73ccc99487165e3c8c90dc247359fde272f1ec6b3cf2c5fcb04e5093936144d0558b75

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

                                    Filesize

                                    255B

                                    MD5

                                    d11edf9e08a127c768843acea41d0bc5

                                    SHA1

                                    ff1af9b39de4a3f547407fd9864ffdd2bb6c7354

                                    SHA256

                                    217e4d9d1412e45abf7a653f72a5ab8b53bc8fc6f377f52a042668a41abc7478

                                    SHA512

                                    92c3f0def567b0e2f2523ed25eb9d4abff06070b8be744fea4a6678f25f292439d7bc0c8015eaa6281b7f43149eebb3d3821cd6d6436598481113694b11ddea3

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

                                    Filesize

                                    6KB

                                    MD5

                                    78d378719e7a11a01b45ad29cd4f121b

                                    SHA1

                                    b1177423ec87bb97c5b60ed6636c7fb703cc1d35

                                    SHA256

                                    1fc55493eb8fcb0a4cda8e090149c7bbb097c0f86930e4c88041ecb049b6fe5e

                                    SHA512

                                    38c608f3cfdb317f332bae396d0746eef93ec13df315fe49e5bbea9c5b18e2763db97b13dacd6915d4ed8d72238aad128499f626ef7a9695d140ae01894d0dba

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

                                    Filesize

                                    5KB

                                    MD5

                                    87e2333f136b8c7c021d3784e4be4f29

                                    SHA1

                                    197d23b4997a8ca2ad63e511458ff45ec348a5e0

                                    SHA256

                                    267f8eb30308025a6b71b37afda11d4a63db504bb09dbe8f2d420977df20861a

                                    SHA512

                                    53c0c505bbeb817e5c582f6ad95d6861940937f0752b4363167e0552a5e5741c21d77e254a82a2be6c88fac01818508ab24f0f9ffee1dc6325c739071133f754

                                  • 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

                                    9936bc91980dab5d3e6b33bb24996eeb

                                    SHA1

                                    d634497a22c0e8e04dd4b6780d54b48d2b6b50d3

                                    SHA256

                                    da17ffe8e547283b709fe4def106a626bd851b20c9a934c5c689a8e8eb42e427

                                    SHA512

                                    cd0d8affc62b9c5e4e273f3e0b871c37b4f877865a91581f165718f2d9b162acdac5b7b3e424778c4f0498a49b6cfabdc5d2c9557adbc46210b29fec91e6ff48

                                  • C:\Users\Admin\Downloads\Chronos-main.zip

                                    Filesize

                                    44KB

                                    MD5

                                    6191f694d8de07bd760fa32b73ade75c

                                    SHA1

                                    6f22011ee9bc6a8000b744c5f73ddff377be6212

                                    SHA256

                                    2cd7497cc5bdd2fb70b4263519c1becc0f53064e1029efe14f499e886b6bc8ba

                                    SHA512

                                    79047628f24f1c2ba4c72b686a729977880c2be097e02353a4ace0e3bf9142ebd58fead21457bbf9402499185f700a251398fb3452d875da4d0bf062935b55a8