Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 17:27

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
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 processes with tasklist 1 TTPs 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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:2368
    • 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:1796
      • 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:4780
        • 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:440
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Lunar Client.exe"
          4⤵
            PID:1256
        • 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:2920
          • 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,0x100,0x104,0xdc,0x108,0x7ffc8dcd46f8,0x7ffc8dcd4708,0x7ffc8dcd4718
            4⤵
              PID:4016
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2064 /prefetch:2
              4⤵
                PID:3612
              • 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=2036,9128930672476257110,18344493178152793187,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2156 /prefetch:3
                4⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4944
              • 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=2036,9128930672476257110,18344493178152793187,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2572 /prefetch:8
                4⤵
                  PID:1528
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --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=3300 /prefetch:1
                  4⤵
                    PID:2456
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --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=3280 /prefetch:1
                    4⤵
                      PID:3004
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --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=5152 /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=2036,9128930672476257110,18344493178152793187,131072 --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=5108 /prefetch:1
                        4⤵
                          PID:4676
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5340 /prefetch:1
                          4⤵
                            PID:4312
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --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=5756 /prefetch:1
                            4⤵
                              PID:816
                            • 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=2036,9128930672476257110,18344493178152793187,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6108 /prefetch:8
                              4⤵
                                PID:4528
                              • 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=2036,9128930672476257110,18344493178152793187,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6108 /prefetch:8
                                4⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2288
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --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=5348 /prefetch:1
                                4⤵
                                  PID:1300
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --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:3632
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2036,9128930672476257110,18344493178152793187,131072 --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=5960 /prefetch:2
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:772
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4768
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:380

                                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

                                        efc9c7501d0a6db520763baad1e05ce8

                                        SHA1

                                        60b5e190124b54ff7234bb2e36071d9c8db8545f

                                        SHA256

                                        7af7b56e2f0a84ae008785726f3404eb9001baa4b5531d0d618c6bdcb05a3a7a

                                        SHA512

                                        bda611ddba56513a30295ea5ca8bc59e552154f860d13fed97201cdb81814dd6d1bca7deca6f8f58c9ae585d91e450f4383a365f80560f4b8e59a4c8b53c327d

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

                                        Filesize

                                        648B

                                        MD5

                                        8ccd82fdfd8904bbc7fec8de386032d7

                                        SHA1

                                        561272584c5d38c09a0d8f1800a875e6976fee73

                                        SHA256

                                        d0ee70263c2a8299549989ca9966112463742468ae1a6b540fa4b95153a233bd

                                        SHA512

                                        b4b773cddfe18c9bc209e7bfcd45adebdea82000b6c7150b0b4789c52cffd84a16c466626763b0d9ebd83c01f53632d3c314ea72b7c2aaee5eba36cccaee5fd3

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

                                        Filesize

                                        2KB

                                        MD5

                                        eb621f44ae9c07ed7e45423e7d77742b

                                        SHA1

                                        7e4c845b06dd16795abb15becd8faf14b8ac9703

                                        SHA256

                                        69cd670d6e918f2798bf6d8bbfe891a28e2482e2229d77a1345c9cff9273161d

                                        SHA512

                                        55c70a9a57eb9189be685f2955fce8ec4066c4d50ece4880a3cb2acae87eeccdfaac1f928e66efbd457cd1f80810abb8c41b44fcbdfa71a754fd4eeb47bc232c

                                      • 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

                                        6KB

                                        MD5

                                        21e726f71e6300a764ac2e87321a5801

                                        SHA1

                                        24fd8dfc786f0a6f7e5574d1657c778f2b6dd358

                                        SHA256

                                        bc61e7cfd045474323696305daaeec5de02d3bcfb94ebfcfa9bcd6fb18a645cf

                                        SHA512

                                        8eaff690bf1e75401bf5b5279ac3c0465dd6555c2e32ee6b5da792596d0c026a4945ec491c5647264dc4e9af5d9edb2420dcd32d0b111c0d8eaf247218ea1b6e

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

                                        Filesize

                                        5KB

                                        MD5

                                        c15efc88d23fad609b88be94df617110

                                        SHA1

                                        a968f0129fbc648ff4376c662b8bc295dcecd43d

                                        SHA256

                                        7131f13a732591c128cb3ed1bff7ba910d687295f9ceaa979c4542676ed40ed9

                                        SHA512

                                        294969e091801e96766170ffb08fcf3ea4d356c89181beb3549a03b11e9239924856af86656803945488d2e2c122e96e9439f013797ddf2421411e1eddeee1fd

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

                                        Filesize

                                        24KB

                                        MD5

                                        121510c1483c9de9fdb590c20526ec0a

                                        SHA1

                                        96443a812fe4d3c522cfdbc9c95155e11939f4e2

                                        SHA256

                                        cf5d26bc399d0200a32080741e12f77d784a3117e6d58e07106e913f257aa46c

                                        SHA512

                                        b367741da9ab4e9a621ad663762bd9c459676e0fb1412e60f7068834cbd5c83b050608e33d5320e1b191be1d809fef48831e0f42b3ecabd38b24ec222576fa81

                                      • 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

                                        10KB

                                        MD5

                                        e562ff9425fab5624c8c4990b1821b0a

                                        SHA1

                                        c38182d66f34de9416027b3b767d0fc5d4dc91d4

                                        SHA256

                                        1fe6eda8c75bfc9591b483cbbe310d2f1938719277a584804abad9e39be082f9

                                        SHA512

                                        f9c0ef86b7c097eedf87e27b093414966be024448180a74a5a31b88673db381f6a8eeef44bb5c5a1aa9573554d0956ad03eaf7e21b4e3f90bb5fdbfa69306078

                                      • C:\Users\Admin\AppData\Local\Temp\nsr3072.tmp\StdUtils.dll

                                        Filesize

                                        100KB

                                        MD5

                                        c6a6e03f77c313b267498515488c5740

                                        SHA1

                                        3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                        SHA256

                                        b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                        SHA512

                                        9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                                      • C:\Users\Admin\AppData\Local\Temp\nsr3072.tmp\System.dll

                                        Filesize

                                        12KB

                                        MD5

                                        0d7ad4f45dc6f5aa87f606d0331c6901

                                        SHA1

                                        48df0911f0484cbe2a8cdd5362140b63c41ee457

                                        SHA256

                                        3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                        SHA512

                                        c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                                      • C:\Users\Admin\AppData\Local\Temp\nsr3072.tmp\WinShell.dll

                                        Filesize

                                        3KB

                                        MD5

                                        1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                        SHA1

                                        0b9519763be6625bd5abce175dcc59c96d100d4c

                                        SHA256

                                        9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                        SHA512

                                        7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                                      • C:\Users\Admin\AppData\Local\Temp\nsr3072.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