Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2024, 00:20

General

  • Target

    $R0/Uninstall Lunar Client.exe

  • Size

    179KB

  • MD5

    2f56faf869edcb8d6fe2a7e8e6f60e3f

  • SHA1

    fba5e02f46b5f3104f502bf78da681f10c46c0c6

  • SHA256

    2e8bd9a55b12c41a38a29445a08beadf2acb5ab5e35ebc01733ad61e2f3edac2

  • SHA512

    7e72324fa864151755107062453dc941795b0a2a2b9559e98a2de4267065bb4ac7939539b77f508954f86eae362767edbe7eed14c249f06a182ca4ab37c7a416

  • SSDEEP

    3072:jn77v00hEoDEtau24lkW6Dx/XItjLSTtWIDlXiGzsTCQxwRTApim8/aH2tvhOEAQ:j740IGskW6V4tjLSTPpiGzsT8P7/s2tn

Score
5/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 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:4644
    • 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:1376
      • 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:2328
        • 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,0x100,0x104,0xd8,0x108,0x7ffed99846f8,0x7ffed9984708,0x7ffed9984718
          4⤵
            PID:4704
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:2
            4⤵
              PID:1200
            • 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=2132,9387149397338361956,13339309222749747615,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2196 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:532
            • 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=2132,9387149397338361956,13339309222749747615,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2888 /prefetch:8
              4⤵
                PID:4360
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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=3304 /prefetch:1
                4⤵
                  PID:3876
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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:3572
                  • 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=2132,9387149397338361956,13339309222749747615,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4716 /prefetch:8
                    4⤵
                      PID:1448
                    • 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=2132,9387149397338361956,13339309222749747615,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4716 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:992
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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=4936 /prefetch:1
                      4⤵
                        PID:516
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4956 /prefetch:1
                        4⤵
                          PID:4744
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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=4444 /prefetch:1
                          4⤵
                            PID:4868
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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=4884 /prefetch:1
                            4⤵
                              PID:3896
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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=5344 /prefetch:1
                              4⤵
                                PID:3856
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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=5356 /prefetch:1
                                4⤵
                                  PID:3548
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4004 /prefetch:1
                                  4⤵
                                    PID:2180
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2904 /prefetch:1
                                    4⤵
                                      PID:2944
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --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=4188 /prefetch:2
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:2312
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,9387149397338361956,13339309222749747615,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4128 /prefetch:1
                                      4⤵
                                        PID:2044
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3896
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:224

                                    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

                                      1cbd0e9a14155b7f5d4f542d09a83153

                                      SHA1

                                      27a442a921921d69743a8e4b76ff0b66016c4b76

                                      SHA256

                                      243d05d6af19bfe3e06b1f7507342ead88f9d87b84e239ad1d144e9e454b548c

                                      SHA512

                                      17e5217d5bf67571afb0e7ef30ac21c11ea6553f89457548d96ee4461011f641a7872a37257239fa5f25702f027afb85d5bd9faf2f2f183992b8879407e56a0d

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

                                      Filesize

                                      152B

                                      MD5

                                      4e96ed67859d0bafd47d805a71041f49

                                      SHA1

                                      7806c54ae29a6c8d01dcbc78e5525ddde321b16b

                                      SHA256

                                      bd13ddab4dc4bbf01ed50341953c9638f6d71faf92bc79fbfe93687432c2292d

                                      SHA512

                                      432201c3119779d91d13da55a26d4ff4ce4a9529e00b44ec1738029f92610d4e6e25c05694adf949c3e9c70fbbbbea723f63c29287906729f5e88a046a2edcb7

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

                                      Filesize

                                      6KB

                                      MD5

                                      1aed922217bb3b7c6026e51b48f9218e

                                      SHA1

                                      4927701d3a32e1b7ec1660abb310bc67a158334a

                                      SHA256

                                      064c3a439073eca889e6f6e08cc72059b8f4c1b6f8f31d962589396c60d911eb

                                      SHA512

                                      f5f7d64b26aa00afd5075fe447fa627fadd2f24c8fb9a33647a45bf42a2270453212f16544d53674f93da3a45c2368f8dafcd85edceada5d564fc93c9af0655c

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

                                      Filesize

                                      6KB

                                      MD5

                                      6de9d289484d20dbd452c191f524a715

                                      SHA1

                                      75b183f03c5b29a79537d4678e45f5a612ae9b59

                                      SHA256

                                      245af3b2eae8c41f10ebbf531cadbd731b0cf37a96b447e75c50d3610acac955

                                      SHA512

                                      8e44865602958d0fe1a1d1f149b9cff004e1b18017b8f910b282acc24613fe6fa27a6eb63066cbd28e08800c4b9a718890d1a010b7d6d57b487ff12f702fbae8

                                    • 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

                                      8KB

                                      MD5

                                      d4f003c1de6ed4b4ef2363ffcbedd8e0

                                      SHA1

                                      0e22adf36d5277c22b5f11416ee301d85ccf0734

                                      SHA256

                                      d352fe3c6e164822dd844ff32de60e32202ca9acd217755c8c686b59e19f0419

                                      SHA512

                                      872cc35cf9e30139ba302430377363b7f43fa04eef944fcc61bb1da1f304edc3f0618a6189da6ce37d2d959b91208b85229d2eb40115e30ca523c8314e12faaa

                                    • C:\Users\Admin\AppData\Local\Temp\nsx3394.tmp\StdUtils.dll

                                      Filesize

                                      100KB

                                      MD5

                                      c6a6e03f77c313b267498515488c5740

                                      SHA1

                                      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                      SHA256

                                      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                      SHA512

                                      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                                    • C:\Users\Admin\AppData\Local\Temp\nsx3394.tmp\System.dll

                                      Filesize

                                      12KB

                                      MD5

                                      0d7ad4f45dc6f5aa87f606d0331c6901

                                      SHA1

                                      48df0911f0484cbe2a8cdd5362140b63c41ee457

                                      SHA256

                                      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                      SHA512

                                      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                                    • C:\Users\Admin\AppData\Local\Temp\nsx3394.tmp\WinShell.dll

                                      Filesize

                                      3KB

                                      MD5

                                      1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                      SHA1

                                      0b9519763be6625bd5abce175dcc59c96d100d4c

                                      SHA256

                                      9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                      SHA512

                                      7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                                    • C:\Users\Admin\AppData\Local\Temp\nsx3394.tmp\nsExec.dll

                                      Filesize

                                      6KB

                                      MD5

                                      ec0504e6b8a11d5aad43b296beeb84b2

                                      SHA1

                                      91b5ce085130c8c7194d66b2439ec9e1c206497c

                                      SHA256

                                      5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

                                      SHA512

                                      3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

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

                                      Filesize

                                      179KB

                                      MD5

                                      2f56faf869edcb8d6fe2a7e8e6f60e3f

                                      SHA1

                                      fba5e02f46b5f3104f502bf78da681f10c46c0c6

                                      SHA256

                                      2e8bd9a55b12c41a38a29445a08beadf2acb5ab5e35ebc01733ad61e2f3edac2

                                      SHA512

                                      7e72324fa864151755107062453dc941795b0a2a2b9559e98a2de4267065bb4ac7939539b77f508954f86eae362767edbe7eed14c249f06a182ca4ab37c7a416