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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 02:12

General

  • Target

    $R0/Uninstall Lunar Client.exe

  • Size

    179KB

  • MD5

    7ad43f3e830bde19c69d3f5dca8c98ae

  • SHA1

    d538ecff7a84d3beecbe286f243fc241a9c7d860

  • SHA256

    6c0a5283bb2eb0a140da1eeaef2819f9d360ddcde6a48cda81f42ed3660a2823

  • SHA512

    33a97371cbc71f38cc66dab737f04ba7bbf35f956915c1b069c950d3418b262edd35526f5335f20c20a9588ebf9f2519cbc6c4ecabf2d11adf8383cb56bc1a91

  • SSDEEP

    3072:In77v00hEoDEtau24lkW6Dx/XItjLSTtWIDlXiGzMTSQxwRTApim8/aH2tvhOEAf:I740IGskW6V4tjLSTPpiGzMTMP7/s2ts

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:400
    • 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:3984
      • 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:2852
        • 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,0x100,0x104,0xd8,0x108,0x7ffed9d846f8,0x7ffed9d84708,0x7ffed9d84718
          4⤵
            PID:2448
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
            4⤵
              PID:4584
            • 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=2108,508953288498764723,5031864284355197585,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2368 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3220
            • 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=2108,508953288498764723,5031864284355197585,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2648 /prefetch:8
              4⤵
                PID:4000
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=3308 /prefetch:1
                4⤵
                  PID:2380
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=3340 /prefetch:1
                  4⤵
                    PID:3684
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=5040 /prefetch:1
                    4⤵
                      PID:1632
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=3908 /prefetch:1
                      4⤵
                        PID:2200
                      • 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=2108,508953288498764723,5031864284355197585,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5008 /prefetch:8
                        4⤵
                          PID:2652
                        • 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=2108,508953288498764723,5031864284355197585,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5008 /prefetch:8
                          4⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4448
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=5344 /prefetch:1
                          4⤵
                            PID:5068
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=5324 /prefetch:1
                            4⤵
                              PID:1868
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=4900 /prefetch:1
                              4⤵
                                PID:4968
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=5152 /prefetch:1
                                4⤵
                                  PID:4256
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,508953288498764723,5031864284355197585,131072 --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=3924 /prefetch:2
                                  4⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:636
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4892
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:2640

                              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

                                559ff144c30d6a7102ec298fb7c261c4

                                SHA1

                                badecb08f9a6c849ce5b30c348156b45ac9120b9

                                SHA256

                                5444032cb994b90287c0262f2fba16f38e339073fd89aa3ab2592dfebc3e6f10

                                SHA512

                                3a45661fc29e312aa643a12447bffdab83128fe5124077a870090081af6aaa4cf0bd021889ab1df5cd40f44adb055b1394b31313515c2929f714824c89fd0f04

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

                                Filesize

                                152B

                                MD5

                                e36b219dcae7d32ec82cec3245512f80

                                SHA1

                                6b2bd46e4f6628d66f7ec4b5c399b8c9115a9466

                                SHA256

                                16bc6f47bbfbd4e54c3163dafe784486b72d0b78e6ea3593122edb338448a27b

                                SHA512

                                fc539c461d87141a180cf71bb6a636c75517e5e7226e76b71fd64e834dcacc88fcaaa92a9a00999bc0afc4fb93b7304b068000f14653c05ff03dd7baef3f225c

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

                                Filesize

                                648B

                                MD5

                                8402ddc80af93f3754d7448f9c6d228f

                                SHA1

                                b6e73f3a5698b03170c1a313f83f681535def903

                                SHA256

                                533331306421cc1033eca0abcdfc90da1f28256bcd90a8f3feff50a660f44bb2

                                SHA512

                                8334d9a0da63be9c14094c6ecf3ab62ba7d269dadf69f6b60c5ec0f8fb2354d514df6fcb24b03e993698cf7deb15f3ba9d7aaa165353044e3889c863aec5fb15

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

                                Filesize

                                2KB

                                MD5

                                309d0713530db895f90c6783dec1e5a3

                                SHA1

                                bba79d59b1b1ca642de44c1a00cd18c2e0449315

                                SHA256

                                82357b3db095a852dea6e25d99bf9879e1f64371a78d6870de2f421317ab87dc

                                SHA512

                                97040aa53cf4c54dba7eb7b6f68b72b04b14e293c8fde53f197b6c5c1b4cdca37fc183312434051db10b49176fc4e30b3579aac0509aee60b284976915fb85c5

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

                                Filesize

                                6KB

                                MD5

                                79a5d520c3ba32234d1e63880b018941

                                SHA1

                                b48044aa47a4e234cf2bc2a0d923d557c3e68a54

                                SHA256

                                d9a8fa7bf5b83ee802f62ca88aa920afe27e4562835340248ed78dcdee3d3fe5

                                SHA512

                                f34843db47a4af478344c8bbe482e1a056831caf58b66bfc90838925551f19f1443bba41faa0cac068c4f774be86f4989c2a7e1a460f474ecb992330087966e1

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

                                Filesize

                                7KB

                                MD5

                                47013432b874840146e3e21ccda3fb14

                                SHA1

                                04d1b637a200493e5e047ced87d65ea5890dbc6a

                                SHA256

                                9bfebc497d66a64a853d674c3f428a08d99ed459d866eed05262baa49959fb41

                                SHA512

                                431a449a047219345c201839d914931c026dceca9053dafdec5c1ebdf54a184a994605f7412295a5c73756872fcac188ddbd3a5b0cae38e8fc13c5a83dc83c1b

                              • 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

                                f817668a6614bfb87e636ad1c0d393c1

                                SHA1

                                cdcd2d54bdb79c346b45dd9f8887eef3b5cd9bd8

                                SHA256

                                852bed48fd6564638850ed529d865e0f562019db5e958c666c9783d2615a0751

                                SHA512

                                d6ed033481c9011979dd848a11fa48fac900fa20dcf60d080f0ac8fde2367d271d0d659542bfc28120ffc32f911ecb9fc175f94bdf8eb5069d8db485551f67fa

                              • C:\Users\Admin\AppData\Local\Temp\nsv3B64.tmp\StdUtils.dll

                                Filesize

                                100KB

                                MD5

                                c6a6e03f77c313b267498515488c5740

                                SHA1

                                3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                SHA256

                                b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                SHA512

                                9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                              • C:\Users\Admin\AppData\Local\Temp\nsv3B64.tmp\System.dll

                                Filesize

                                12KB

                                MD5

                                0d7ad4f45dc6f5aa87f606d0331c6901

                                SHA1

                                48df0911f0484cbe2a8cdd5362140b63c41ee457

                                SHA256

                                3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                SHA512

                                c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                              • C:\Users\Admin\AppData\Local\Temp\nsv3B64.tmp\WinShell.dll

                                Filesize

                                3KB

                                MD5

                                1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                SHA1

                                0b9519763be6625bd5abce175dcc59c96d100d4c

                                SHA256

                                9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                SHA512

                                7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                              • C:\Users\Admin\AppData\Local\Temp\nsv3B64.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

                                7ad43f3e830bde19c69d3f5dca8c98ae

                                SHA1

                                d538ecff7a84d3beecbe286f243fc241a9c7d860

                                SHA256

                                6c0a5283bb2eb0a140da1eeaef2819f9d360ddcde6a48cda81f42ed3660a2823

                                SHA512

                                33a97371cbc71f38cc66dab737f04ba7bbf35f956915c1b069c950d3418b262edd35526f5335f20c20a9588ebf9f2519cbc6c4ecabf2d11adf8383cb56bc1a91