Analysis

  • max time kernel
    290s
  • max time network
    290s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-03-2024 21:27

General

  • Target

    $R0/Uninstall Lunar Client.exe

  • Size

    404KB

  • MD5

    227c1f9fe7c7f6fb24a451a5ca84e722

  • SHA1

    9c34be548c0b2affd930d05c1b315a5cbe9bca45

  • SHA256

    bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a

  • SHA512

    1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66

  • SSDEEP

    3072:Wn77v00hEoDEtauTsqBGeQIfxqxAjDsksbfVl1snhl+l2L0Sa9/l7a4vZAzLmDVH:W740IEa+J+Rql1DKs2t0EyL+ya2

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 processes with tasklist 1 TTPs 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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:1376
    • 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:2548
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Lunar Client.exe" | %SYSTEMROOT%\System32\find.exe "Lunar Client.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4356
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Lunar Client.exe"
          4⤵
          • Enumerates processes with tasklist
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4568
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Lunar Client.exe"
          4⤵
            PID:1692
        • 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:344
          • 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,0x7fff6bdc3cb8,0x7fff6bdc3cc8,0x7fff6bdc3cd8
            4⤵
              PID:1532
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1904 /prefetch:2
              4⤵
                PID:1548
              • 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=1892,2059248533057122284,1069397377379975075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2360 /prefetch:3
                4⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:3132
              • 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=1892,2059248533057122284,1069397377379975075,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2648 /prefetch:8
                4⤵
                  PID:3336
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=3228 /prefetch:1
                  4⤵
                    PID:2496
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=3236 /prefetch:1
                    4⤵
                      PID:1480
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=5324 /prefetch:1
                      4⤵
                        PID:2560
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=5492 /prefetch:1
                        4⤵
                          PID:3448
                        • 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=1892,2059248533057122284,1069397377379975075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4004 /prefetch:8
                          4⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1668
                        • 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=1892,2059248533057122284,1069397377379975075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6000 /prefetch:8
                          4⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1492
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=3228 /prefetch:1
                          4⤵
                            PID:4388
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=5700 /prefetch:1
                            4⤵
                              PID:3148
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=4888 /prefetch:1
                              4⤵
                                PID:3068
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=5492 /prefetch:1
                                4⤵
                                  PID:3140
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1892,2059248533057122284,1069397377379975075,131072 --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=1300 /prefetch:2
                                  4⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4896
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3064
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3604

                              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

                                656bb397c72d15efa159441f116440a6

                                SHA1

                                5b57747d6fdd99160af6d3e580114dbbd351921f

                                SHA256

                                770ed0fcd22783f60407cdc55b5998b08e37b3e06efb3d1168ffed8768751fab

                                SHA512

                                5923db1d102f99d0b29d60916b183b92e6be12cc55733998d3da36d796d6158c76e385cef320ec0e9afa242a42bfb596f7233b60b548f719f7d41cb8f404e73c

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

                                Filesize

                                152B

                                MD5

                                d459a8c16562fb3f4b1d7cadaca620aa

                                SHA1

                                7810bf83e8c362e0c69298e8c16964ed48a90d3a

                                SHA256

                                fa31bc49a2f9af06d325871104e36dd69bfe3847cd521059b62461a92912331a

                                SHA512

                                35cb00c21908e1332c3439af1ec9867c81befcc4792248ee392080b455b1f5ce2b0c0c2415e344d91537469b5eb72f330b79feb7e8a86eeb6cf41ec5be5dfd2f

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

                                Filesize

                                672B

                                MD5

                                5fd35db02153b0c34c5841c53bfb24ec

                                SHA1

                                2da122bb3114208e51ce20663785042d9da73f09

                                SHA256

                                815ae92f5efbf997571f54557493a5c978a927aa4613fb8af990f290a80e177b

                                SHA512

                                266e45478f88738213929e10c4c1095174f1c2ed29cccd6f4c5984e29cd3b43fd5baa9e54b725ca8167b381012106a91242198faff216ba609ee048bb75ef04c

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

                                Filesize

                                2KB

                                MD5

                                b0230eacd78d1cea1181b3d6c0a422c8

                                SHA1

                                0e25ced417e5af37f1fb8d231414bec6774a799d

                                SHA256

                                d0bdd0e07469dbb78ae31f25788a2e51cc87c8c0da0cfe6a605a0e0666479d5e

                                SHA512

                                656302814f0c2561dc3ddfec99effbd944f8ac572247a32b5c35e6b4972d60e662764619913cf3997f760a530233cf6d8c1a9c8a607617633d1275adcc90047c

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

                                Filesize

                                111B

                                MD5

                                285252a2f6327d41eab203dc2f402c67

                                SHA1

                                acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                SHA256

                                5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                SHA512

                                11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                Filesize

                                5KB

                                MD5

                                3513d127c7b235a0fd8c31338adbbcaf

                                SHA1

                                ffb1af0a5765d100ed795501ddd22dca383fd160

                                SHA256

                                6f0996ca3ff99e293d446f8e8bcb7c26fd32a627af84042cbc7d50ad952130e3

                                SHA512

                                471a2134c5d1f309bc738298c9f57574ce2cdf9e82fff6f682f6f9ac9f4baa6a0754774efde1cd69fe88bd010e5b53276a3778eb1c2bd8460fb9fe5d750d614c

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

                                Filesize

                                6KB

                                MD5

                                13a038bd21d41af77ebc782de7be19ca

                                SHA1

                                09f9f1cdefa147d2c5b5db4755f121c2a97231fc

                                SHA256

                                0c7b0f5d864a9359ec9ce2092b0ba7e2d767b30c2e32f8694aa6273d3638c367

                                SHA512

                                e163247b5ce940f2eeae108509863a535d1985a927513b69b04bc084c588a06ff44a4de2aceb5e4c5fa1228ffe1a3c7ee425391ae508dd5c0e6ff173240b4f42

                              • 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

                                b82a95bacf7db5e77edc9adb22f4c808

                                SHA1

                                6ece04157ed1a8d8b6eb5cd4aec90b3f74526a3a

                                SHA256

                                0081c65d84f926c0faf5c448e0a4a1d499da34d8d8394694fc1e604319425265

                                SHA512

                                499e8f6fdb540a97bd0f22447f2a2966083a2cfbd5e6e9375d512cd7c6dffbe1424ef0d18a4094dfdd867ab5327d16215d19445ef28a0a78d725083c380b5221

                              • C:\Users\Admin\AppData\Local\Temp\nso5015.tmp\StdUtils.dll

                                Filesize

                                100KB

                                MD5

                                c6a6e03f77c313b267498515488c5740

                                SHA1

                                3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                SHA256

                                b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                SHA512

                                9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                              • C:\Users\Admin\AppData\Local\Temp\nso5015.tmp\System.dll

                                Filesize

                                12KB

                                MD5

                                0d7ad4f45dc6f5aa87f606d0331c6901

                                SHA1

                                48df0911f0484cbe2a8cdd5362140b63c41ee457

                                SHA256

                                3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                SHA512

                                c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                              • C:\Users\Admin\AppData\Local\Temp\nso5015.tmp\WinShell.dll

                                Filesize

                                3KB

                                MD5

                                1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                SHA1

                                0b9519763be6625bd5abce175dcc59c96d100d4c

                                SHA256

                                9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                SHA512

                                7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                              • C:\Users\Admin\AppData\Local\Temp\nso5015.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

                                404KB

                                MD5

                                227c1f9fe7c7f6fb24a451a5ca84e722

                                SHA1

                                9c34be548c0b2affd930d05c1b315a5cbe9bca45

                                SHA256

                                bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a

                                SHA512

                                1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66

                              • \??\pipe\LOCAL\crashpad_344_HOIIPKEPVUMCAXKJ

                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e