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Analysis

  • max time kernel
    148s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21/05/2024, 19:58

General

  • Target

    $R0/Uninstall Lunar Client.exe

  • Size

    179KB

  • MD5

    517ed455160b4214f9d98dabcf886eae

  • SHA1

    56edb44a5c9eac2ff5149e9b596e4b1cd50020e9

  • SHA256

    00418d80910520e347488f60e0c5c7af5fdf7dd7fc4c6f983977c4322cb6d085

  • SHA512

    ff7ba10da0738847db691d7eb7e3c77abc5bf5daa529c04856ef07e2019ade51f0b4e3326ad3dc1e3d193cb59465c86957e7299200cc2ec2437620e4dcc45a7c

  • SSDEEP

    3072:wn77v00hEoDEtau24lkW6Dx/XItjLSTtWIDlXiGzMTLlw4wPEaH2tvhOEA1RJCiJ:w740IGskW6V4tjLSTPpiGzMTO58s2t0t

Score
4/10

Malware Config

Signatures

  • 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 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 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:2376
    • 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⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:964
      • 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:3396
        • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffd3ed73cb8,0x7ffd3ed73cc8,0x7ffd3ed73cd8
          4⤵
            PID:1220
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1888 /prefetch:2
            4⤵
              PID:1820
            • 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=1796,222083981655471265,11790280017253062005,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2120 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1880
            • 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=1796,222083981655471265,11790280017253062005,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
              4⤵
                PID:1776
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=3100 /prefetch:1
                4⤵
                  PID:1056
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=3184 /prefetch:1
                  4⤵
                    PID:4172
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=5288 /prefetch:1
                    4⤵
                      PID:4200
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=5216 /prefetch:1
                      4⤵
                        PID:3992
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5220 /prefetch:8
                        4⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4240
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=5632 /prefetch:1
                        4⤵
                          PID:2712
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=5640 /prefetch:1
                          4⤵
                            PID:2428
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=5160 /prefetch:1
                            4⤵
                              PID:4484
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=4032 /prefetch:1
                              4⤵
                                PID:3168
                              • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5804 /prefetch:8
                                4⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3900
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1796,222083981655471265,11790280017253062005,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=4676 /prefetch:2
                                4⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2556
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4476
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1640

                            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

                              8294f1821fd3419c0a42b389d19ecfc6

                              SHA1

                              cd4982751377c2904a1d3c58e801fa013ea27533

                              SHA256

                              92a96c9309023c8b9e1396ff41f7d9d3ff8a3687972e76b9ebd70b04e3bf223a

                              SHA512

                              372d369f7ad1b0e07200d3aa6b2cfce5beafa7a97f63932d4c9b3b01a0e8b7eb39881867f87ded55a9973abea973b2d2c9b6fc4892f81cec644702b9edb1566d

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

                              Filesize

                              152B

                              MD5

                              390187670cb1e0eb022f4f7735263e82

                              SHA1

                              ea1401ccf6bf54e688a0dc9e6946eae7353b26f1

                              SHA256

                              3e6c56356d6509a3fd4b2403555be55e251f4a962379b29735c1203e57230947

                              SHA512

                              602f64d74096d4fb7a23b23374603246d42b17cc854835e3b2f4d464997b73f289a3b40eb690e3ee707829d4ff886865e982f72155d96be6bc00166f44878062

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

                              Filesize

                              672B

                              MD5

                              6477bf55a9a5447d28ff0d37a6d0773d

                              SHA1

                              12313e20e78ccaf92fc32c0c6c015c3f0e46fd34

                              SHA256

                              93be98159d8087b6cbba33d918f36ede6f7e0b9b49e40c617f6a7db6c800d958

                              SHA512

                              cc6f472fdc30169d1450efaa8da4bd90bb45c570a8a7b20ea64feae4b5dc0bb601a360ec3bf2fd677cb4b2bcbedf7bc1324c9087630f86612d282cf528569bad

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

                              Filesize

                              2KB

                              MD5

                              8524b7e023caa01e24dc563ddff9ceb4

                              SHA1

                              72bcb9a370ebbddd5ab339aa5724860ee3446735

                              SHA256

                              eb2ff17830740e9d17196fa4449f7dfc5736d467c802a4ffb0fa7da417a81560

                              SHA512

                              654883025e82e2381419668e8d2a7520dd37a16437a5b885eb4bb3c59957a98990509f6e575108369c598ba3972debb2e3e339cb2d3e5d6d5e7f6964251687d8

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

                              Filesize

                              5KB

                              MD5

                              58e7e0c422ee7ebfc63b1dbffdf10912

                              SHA1

                              9152bab4df25b9046c85ad41b4ffeb5af8d8ce2e

                              SHA256

                              3b8d2a7f462b23f41e3fc698551a6a0e33795fbf73584b0bd58e3efcb8cafcae

                              SHA512

                              b9d79274888c1d90913331cb25f45ae4dbadc66c1a0d6f122e98a0c42f7a09f51cf14e0cfa90c84df5a30ac52f3315c5f1c06892beb836ab2f7633dec19529f2

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

                              Filesize

                              6KB

                              MD5

                              f61aa563526fa0ca7d6bce4be00fee94

                              SHA1

                              ae9d35669ae1aff4b20cf7e2baa0b43e026c3891

                              SHA256

                              c1fabcc83d73be9d46bd08a3987b6d4be24335ab41f9d190c0cbfaf2df3b2c2e

                              SHA512

                              0475ba2fdbcb59db404c63a04738405045dd372289a6d9b9a391c253745bfc5ed3e778af26d20f61d6c163b75eaf27406933cee02228d14b8e65c797b7527991

                            • 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

                              2c6d2423b25b031c07517f867d127358

                              SHA1

                              398aa080c3698c71305bcb7fa75ee7930fb8ad6c

                              SHA256

                              8ef492757996e014e3e8e597f7b3f86367ddaf0ec87ebeaec6969be2bb8c2f06

                              SHA512

                              de474423a11386c3681e2e6847337f55167af858f474a0544b742bffd30a1ca8a0a1279762f8346b5d2f480d13e952242cf6979d06b96f96e4b08e568c0981b4

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

                              Filesize

                              11KB

                              MD5

                              dae354e40d92158583b5206af10ee055

                              SHA1

                              ca7f424f1d0f61fe2e1f2f2a673aa3155d7ae775

                              SHA256

                              039f440078a7f139f9ae228c72abfc9c7f6e407e5fdfe02d6c7f8bf6c6816ad6

                              SHA512

                              8d4bb9f009614a71ad6f1e8fe87f2886174b4f03797c06c9d73bd5f3b857cf0323bdda3daab94635fd98e9ccc3f68a6cf6fb3bbb3511441698936ff8c4adea92

                            • C:\Users\Admin\AppData\Local\Temp\nss415F.tmp\StdUtils.dll

                              Filesize

                              100KB

                              MD5

                              c6a6e03f77c313b267498515488c5740

                              SHA1

                              3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                              SHA256

                              b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                              SHA512

                              9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                            • C:\Users\Admin\AppData\Local\Temp\nss415F.tmp\System.dll

                              Filesize

                              12KB

                              MD5

                              0d7ad4f45dc6f5aa87f606d0331c6901

                              SHA1

                              48df0911f0484cbe2a8cdd5362140b63c41ee457

                              SHA256

                              3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                              SHA512

                              c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                            • C:\Users\Admin\AppData\Local\Temp\nss415F.tmp\WinShell.dll

                              Filesize

                              3KB

                              MD5

                              1cc7c37b7e0c8cd8bf04b6cc283e1e56

                              SHA1

                              0b9519763be6625bd5abce175dcc59c96d100d4c

                              SHA256

                              9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                              SHA512

                              7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                            • C:\Users\Admin\AppData\Local\Temp\nss415F.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

                              517ed455160b4214f9d98dabcf886eae

                              SHA1

                              56edb44a5c9eac2ff5149e9b596e4b1cd50020e9

                              SHA256

                              00418d80910520e347488f60e0c5c7af5fdf7dd7fc4c6f983977c4322cb6d085

                              SHA512

                              ff7ba10da0738847db691d7eb7e3c77abc5bf5daa529c04856ef07e2019ade51f0b4e3326ad3dc1e3d193cb59465c86957e7299200cc2ec2437620e4dcc45a7c