Analysis

  • max time kernel
    248s
  • max time network
    286s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 18:57

General

  • Target

    $R0/Uninstall Lunar Client.exe

  • Size

    179KB

  • MD5

    2f56faf869edcb8d6fe2a7e8e6f60e3f

  • SHA1

    fba5e02f46b5f3104f502bf78da681f10c46c0c6

  • SHA256

    2e8bd9a55b12c41a38a29445a08beadf2acb5ab5e35ebc01733ad61e2f3edac2

  • SHA512

    7e72324fa864151755107062453dc941795b0a2a2b9559e98a2de4267065bb4ac7939539b77f508954f86eae362767edbe7eed14c249f06a182ca4ab37c7a416

  • SSDEEP

    3072:jn77v00hEoDEtau24lkW6Dx/XItjLSTtWIDlXiGzsTCQxwRTApim8/aH2tvhOEAQ:j740IGskW6V4tjLSTPpiGzsT8P7/s2tn

Score
5/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Lunar Client.exe
    "C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Lunar Client.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://lunarclient.com/uninstaller/?installId=unknown
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:4680
        • 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,0x100,0x104,0xd8,0x108,0x7ff9fa8f46f8,0x7ff9fa8f4708,0x7ff9fa8f4718
          4⤵
            PID:1708
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:2
            4⤵
              PID:2624
            • 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=2072,14459281682938742256,8370006287610373981,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2200 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3672
            • 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=2072,14459281682938742256,8370006287610373981,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2808 /prefetch:8
              4⤵
                PID:2200
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --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=3352 /prefetch:1
                4⤵
                  PID:1368
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --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=3388 /prefetch:1
                  4⤵
                    PID:748
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --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=5100 /prefetch:1
                    4⤵
                      PID:4104
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5200 /prefetch:1
                      4⤵
                        PID:416
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5396 /prefetch:8
                        4⤵
                          PID:1108
                        • 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=2072,14459281682938742256,8370006287610373981,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5556 /prefetch:8
                          4⤵
                            PID:2228
                          • 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=2072,14459281682938742256,8370006287610373981,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5556 /prefetch:8
                            4⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:5092
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --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=4836 /prefetch:1
                            4⤵
                              PID:4120
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --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=5208 /prefetch:1
                              4⤵
                                PID:1920
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --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=5728 /prefetch:1
                                4⤵
                                  PID:5064
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5812 /prefetch:1
                                  4⤵
                                    PID:2476
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,14459281682938742256,8370006287610373981,131072 --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=2244 /prefetch:2
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4472
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:2652
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4408
                                • C:\Windows\system32\AUDIODG.EXE
                                  C:\Windows\system32\AUDIODG.EXE 0x394 0x33c
                                  1⤵
                                    PID:1648

                                  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

                                          4dc6fc5e708279a3310fe55d9c44743d

                                          SHA1

                                          a42e8bdf9d1c25ef3e223d59f6b1d16b095f46d2

                                          SHA256

                                          a1c5f48659d4b3af960971b3a0f433a95fee5bfafe5680a34110c68b342377d8

                                          SHA512

                                          5874b2310187f242b852fa6dcded244cc860abb2be4f6f5a6a1db8322e12e1fef8f825edc0aae75adbb7284a2cd64730650d0643b1e2bb7ead9350e50e1d8c13

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

                                          Filesize

                                          152B

                                          MD5

                                          c9c4c494f8fba32d95ba2125f00586a3

                                          SHA1

                                          8a600205528aef7953144f1cf6f7a5115e3611de

                                          SHA256

                                          a0ca609205813c307df9122c0c5b0967c5472755700f615b0033129cf7d6b35b

                                          SHA512

                                          9d30cea6cfc259e97b0305f8b5cd19774044fb78feedfcef2014b2947f2e6a101273bc4ad30db9cc1724e62eb441266d7df376e28ac58693f128b9cce2c7d20d

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                          Filesize

                                          672B

                                          MD5

                                          7b9ee13fb0b48e3f7e286b58fb97b6a8

                                          SHA1

                                          af69570413623ab320bcb21223244344d9cde67e

                                          SHA256

                                          b78d5d50f02a42fd9bf8ae8bc14daea77fe0a87d0c920239561d14f5cd0adb3e

                                          SHA512

                                          efeaec6c8ad0d4231bdba4c9a4714ad8956f1eb3942bfae03c2958278585405212ac877a945353b7c54b560c21ec1b418bfb53a790926c70fd61076a7a2e2b11

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

                                          Filesize

                                          2KB

                                          MD5

                                          1dbf2d70016eff3f6a0882e8509df4fc

                                          SHA1

                                          03a53eb33713f334d20158eb7882a7b33679ca9d

                                          SHA256

                                          a98d86a56492fcc1fbd21c4a62ded0948d662632ce75b26ffd8a9504808c4e4d

                                          SHA512

                                          bb493573c318b1ae52946e1206beb18a76de43a6d3cfad61c74dd9e64c94f9bcb75b86456f9825a8fbb6a1e14cd839603e60f61a15e83b3cf95dbd02e8914fed

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

                                          Filesize

                                          5KB

                                          MD5

                                          6fec59e1b21f1a1b3c124ddf4b741bfb

                                          SHA1

                                          83f770586a15fdc237f4aa8bde8cd30123c3d904

                                          SHA256

                                          fdba924ac7753ee48a5c5533ac43f16041c4bfdb64a771c3b453ec01d7390742

                                          SHA512

                                          e991e92ec9259d12e7636d120071dd5b3c74ea645034757dab757fdfa00df8a96e3360cef53b7c07ee0f8e69efeab22d338dd82a456d628319686263d1579167

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

                                          Filesize

                                          7KB

                                          MD5

                                          02b92b80c308427b61e660ba6854a7d6

                                          SHA1

                                          15487163c9ea36b779f485009bcc1d1d359bbf7d

                                          SHA256

                                          63ec6b02013687bee4d10ad1835f5b04367ba193a90137fa63a54ffac4e1ffba

                                          SHA512

                                          fbcbcd1bdd8f01630f9b01004324782a093f7ff82e74a5a7b93ab43cd47065e9edec302e0cb29961243a5700eb60403d8b3f5d9a7dbf1e6df6659ffb495e4e75

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

                                          Filesize

                                          16B

                                          MD5

                                          46295cac801e5d4857d09837238a6394

                                          SHA1

                                          44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                          SHA256

                                          0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                          SHA512

                                          8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                          Filesize

                                          16B

                                          MD5

                                          206702161f94c5cd39fadd03f4014d98

                                          SHA1

                                          bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                          SHA256

                                          1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                          SHA512

                                          0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                                          Filesize

                                          11KB

                                          MD5

                                          720181eccd294cc5ced757c161429af7

                                          SHA1

                                          6783e2832a43122c868954b0378d8e06a6ebcfae

                                          SHA256

                                          d24a1238236c9932e97ee0f83e6c26c536c3cf45fdecf6c3353eb0dd6ba09253

                                          SHA512

                                          dbad4789fbdba8cd8289f6b2b19a4c91c796b5a41c723265c33ca75f3ab212a3cd182408a9dc87f7d942cfc1ca646f31261ddb0f7ce79fb864b5dc5183d85434

                                        • C:\Users\Admin\AppData\Local\Temp\nso4FC7.tmp\StdUtils.dll

                                          Filesize

                                          100KB

                                          MD5

                                          c6a6e03f77c313b267498515488c5740

                                          SHA1

                                          3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                          SHA256

                                          b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                          SHA512

                                          9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                                        • C:\Users\Admin\AppData\Local\Temp\nso4FC7.tmp\System.dll

                                          Filesize

                                          12KB

                                          MD5

                                          0d7ad4f45dc6f5aa87f606d0331c6901

                                          SHA1

                                          48df0911f0484cbe2a8cdd5362140b63c41ee457

                                          SHA256

                                          3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                          SHA512

                                          c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                                        • C:\Users\Admin\AppData\Local\Temp\nso4FC7.tmp\WinShell.dll

                                          Filesize

                                          3KB

                                          MD5

                                          1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                          SHA1

                                          0b9519763be6625bd5abce175dcc59c96d100d4c

                                          SHA256

                                          9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                          SHA512

                                          7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                                        • C:\Users\Admin\AppData\Local\Temp\nso4FC7.tmp\nsExec.dll

                                          Filesize

                                          6KB

                                          MD5

                                          ec0504e6b8a11d5aad43b296beeb84b2

                                          SHA1

                                          91b5ce085130c8c7194d66b2439ec9e1c206497c

                                          SHA256

                                          5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

                                          SHA512

                                          3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

                                        • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

                                          Filesize

                                          179KB

                                          MD5

                                          2f56faf869edcb8d6fe2a7e8e6f60e3f

                                          SHA1

                                          fba5e02f46b5f3104f502bf78da681f10c46c0c6

                                          SHA256

                                          2e8bd9a55b12c41a38a29445a08beadf2acb5ab5e35ebc01733ad61e2f3edac2

                                          SHA512

                                          7e72324fa864151755107062453dc941795b0a2a2b9559e98a2de4267065bb4ac7939539b77f508954f86eae362767edbe7eed14c249f06a182ca4ab37c7a416