Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13-03-2024 00:27

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:4820
    • 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:4128
      • 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:996
        • 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:1000
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Lunar Client.exe"
          4⤵
            PID:4608
        • 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:4768
          • 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=0x100,0x104,0x108,0xe4,0x10c,0x7ffc5fd73cb8,0x7ffc5fd73cc8,0x7ffc5fd73cd8
            4⤵
              PID:752
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1904 /prefetch:2
              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=network.mojom.NetworkService --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2372 /prefetch:3
                4⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:3476
              • 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=1856,12592987396987312714,8447946651210620235,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2660 /prefetch:8
                4⤵
                  PID:4852
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --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=3272 /prefetch:1
                  4⤵
                    PID:4932
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --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=3276 /prefetch:1
                    4⤵
                      PID:3836
                    • 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=1856,12592987396987312714,8447946651210620235,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5024 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:3524
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --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=4968 /prefetch:1
                      4⤵
                        PID:3696
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4064 /prefetch:1
                        4⤵
                          PID:5084
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --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=3272 /prefetch:1
                          4⤵
                            PID:4036
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --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=5684 /prefetch:1
                            4⤵
                              PID:5012
                            • 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=1856,12592987396987312714,8447946651210620235,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6132 /prefetch:8
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3432
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --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=5920 /prefetch:1
                              4⤵
                                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=1856,12592987396987312714,8447946651210620235,131072 --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=5340 /prefetch:1
                                4⤵
                                  PID:4756
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1856,12592987396987312714,8447946651210620235,131072 --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=4560 /prefetch:2
                                  4⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2264
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:2152
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3920

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

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

                                Filesize

                                152B

                                MD5

                                f2dc80f5403feb8461b7ffa09890d6a0

                                SHA1

                                d5b61e6d672e7e71571e0132e21cead181da8805

                                SHA256

                                eadeadba37eed18e5acba408d7e076270b00403fed372b77164577232232428a

                                SHA512

                                5e2119529b99b76be105c43714e4b9977ee2147172c1c44e92bd9b41fa7a66f55d4073c864aac668a912aff2898bd216fb38f2fe34ef65de69ad12965218caf5

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

                                Filesize

                                152B

                                MD5

                                5c48e8b68231fb5b2d7f1188b930bc0e

                                SHA1

                                1822aef5da8fdd47626fb91afcf79a2be175a325

                                SHA256

                                c3b287c29eaa57166b2ab1ba9bd0aaced13cc2f946a04b8d708ac429187fe944

                                SHA512

                                2bd09b83e44e0104fbe080a8573690217dc9fbf7fd59ff25a1a9e9ebd2d87ac533f9b99350773d081a7e748b39657115a13e94538b153bceb13ecdfc4672a0f8

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

                                Filesize

                                672B

                                MD5

                                105a32bae366f630492e37904d5aa085

                                SHA1

                                11553c56d5ac47e2cd9171674b8ee3fe35cfb086

                                SHA256

                                30aa017d3878c8bf14087f89b577392a3316d97adce8193834232e99fc0f7046

                                SHA512

                                49d12c4ebb39770de7d1c07c3fcb4d0abee19078416d005da9dbe22ec5d30f9ad9befc840ba220d1ca3bc1657b9450de00653976baa41835536adaf860c0495d

                              • 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\Network Persistent State

                                Filesize

                                2KB

                                MD5

                                68aa2d4deab46677b6d477387ecc326a

                                SHA1

                                c6e065d606d2faa555bea83a5843e9f8f0fbe8c3

                                SHA256

                                146df55fc7c826eee63c6d0cd04a0f08602f5e74b17e1d09c19aff2f35c1e0fb

                                SHA512

                                56a75a133c6cfb432e8eda7b109719330c018fba837c3f132a63f6bc10b7fd15f291515a54089decc75977cb3a3506750b4bba3103378519c76cd4c7d3b29214

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

                                Filesize

                                5KB

                                MD5

                                2cb1a9417092d6c8601f956acca5de0a

                                SHA1

                                ae2c860504581c8a5f35caa0b9df59bc0deb7318

                                SHA256

                                a9476f5cb459ac55324570904c0226cbff1b3eec1e584d8609d6d30627a1ee94

                                SHA512

                                d6c2f310b8aae0ac3797481a7415f09c1b993a2298ceefe659eb382371c1d605069407948e006f08aee2927744533876155af61be7b664aacbefe68ed5ad44b9

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

                                Filesize

                                6KB

                                MD5

                                f0839414ac406b959d84fb1c4d2ffc19

                                SHA1

                                8d14db743b510c371369e8f2ce283bc08bbed323

                                SHA256

                                9dc2c1450aad56f9e68ce7b28ceb29dfe28b9acb6178228076296d5e23fbc95e

                                SHA512

                                85305f03cd521ab94b290219eca1a9a2c4cabaefd89389bff24765ab781d9653b286da560aa25ea2e748ee47636038ea0d1fc7678a7f31468bf7bc716de047d8

                              • 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

                                d5a8cf9665c52cdcb636b82cf9950a34

                                SHA1

                                cc3370183c31bf2f4a54b38f8c34ad88a66690e8

                                SHA256

                                7d81401a06c411279470ce041fcbadd8a22ee471f98c6a9ab974b56e01c928ab

                                SHA512

                                f2cf7f406400565f67f028ba5f216725df7353bbf8836c8f3b3117e36ddb9edf68687af0d2a6fd3998bda34d810452dd0b62d918d189648b65cbd1546ca4ab86

                              • C:\Users\Admin\AppData\Local\Temp\nsb70BC.tmp\StdUtils.dll

                                Filesize

                                100KB

                                MD5

                                c6a6e03f77c313b267498515488c5740

                                SHA1

                                3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                SHA256

                                b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                SHA512

                                9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                              • C:\Users\Admin\AppData\Local\Temp\nsb70BC.tmp\System.dll

                                Filesize

                                12KB

                                MD5

                                0d7ad4f45dc6f5aa87f606d0331c6901

                                SHA1

                                48df0911f0484cbe2a8cdd5362140b63c41ee457

                                SHA256

                                3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                SHA512

                                c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                              • C:\Users\Admin\AppData\Local\Temp\nsb70BC.tmp\WinShell.dll

                                Filesize

                                3KB

                                MD5

                                1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                SHA1

                                0b9519763be6625bd5abce175dcc59c96d100d4c

                                SHA256

                                9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                SHA512

                                7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                              • C:\Users\Admin\AppData\Local\Temp\nsb70BC.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_4768_GNQYSWZBBQCFPXOI

                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e