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Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/05/2024, 18:29

General

  • Target

    $R0/Uninstall Lunar Client.exe

  • Size

    179KB

  • MD5

    14714def5f1c95897e4e56872dd937cd

  • SHA1

    db9090f546591fc86bb63d56d506b6307ba15a66

  • SHA256

    54a6816ea34d922f622cd4a60a3aa6ee851953a1478fced4568b508f7b6039ed

  • SHA512

    8d0c9a63b3c10e0612fa6a187cec1054de7e41198588c113e8f0e870b689869bd4ee9b02fc31a325da7f204ef134c81593d213d7df04366ea5031f9e40155fb3

  • SSDEEP

    3072:Xn77v00hEoDEtau24lkW6Dx/XItjLSTtWIDlXiGz8TiQxwRTApim8/aH2tvhOEAz:X740IGskW6V4tjLSTPpiGz8TcP7/s2to

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:4252
    • 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:1948
      • 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:4604
        • 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,0x100,0x104,0xe0,0x108,0x7ffd6a4b46f8,0x7ffd6a4b4708,0x7ffd6a4b4718
          4⤵
            PID:1112
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2080 /prefetch:2
            4⤵
              PID:2960
            • 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=2092,13414190110151109826,14146058264459924519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1492
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2920 /prefetch:8
              4⤵
                PID:2868
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --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=3344 /prefetch:1
                4⤵
                  PID:336
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --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=3360 /prefetch:1
                  4⤵
                    PID:2156
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --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=5256 /prefetch:1
                    4⤵
                      PID:1356
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --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=5204 /prefetch:1
                      4⤵
                        PID:1120
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5052 /prefetch:8
                        4⤵
                          PID:2336
                        • 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=2092,13414190110151109826,14146058264459924519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5212 /prefetch:8
                          4⤵
                            PID:1948
                          • 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=2092,13414190110151109826,14146058264459924519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5212 /prefetch:8
                            4⤵
                            • Suspicious behavior: EnumeratesProcesses
                            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=2092,13414190110151109826,14146058264459924519,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5344 /prefetch:1
                            4⤵
                              PID:3732
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5468 /prefetch:1
                              4⤵
                                PID:1140
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --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=5156 /prefetch:1
                                4⤵
                                  PID:3128
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --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=5932 /prefetch:1
                                  4⤵
                                    PID:2076
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2092,13414190110151109826,14146058264459924519,131072 --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=4720 /prefetch:2
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3068
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3732
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3240
                                • C:\Windows\system32\AUDIODG.EXE
                                  C:\Windows\system32\AUDIODG.EXE 0x470 0x338
                                  1⤵
                                    PID:704

                                  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

                                    612a6c4247ef652299b376221c984213

                                    SHA1

                                    d306f3b16bde39708aa862aee372345feb559750

                                    SHA256

                                    9d8e24c91cff338e56b518a533cb2e49a2803356bbf6e04892fb168a7ce2844a

                                    SHA512

                                    34a14d63abb1e3fe0f9927a94393043d458fe0624843e108d290266f554018e6379cba924cb5388735abdd6c5f1e2e318478a673f3f9b762815a758866d10973

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

                                    Filesize

                                    152B

                                    MD5

                                    56641592f6e69f5f5fb06f2319384490

                                    SHA1

                                    6a86be42e2c6d26b7830ad9f4e2627995fd91069

                                    SHA256

                                    02d4984e590e947265474d592e64edde840fdca7eb881eebde3e220a1d883455

                                    SHA512

                                    c75e689b2bbbe07ebf72baf75c56f19c39f45d5593cf47535eb722f95002b3ee418027047c0ee8d63800f499038db5e2c24aff9705d830c7b6eaa290d9adc868

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

                                    Filesize

                                    672B

                                    MD5

                                    447f61921c0157e8e57f96e1fa230995

                                    SHA1

                                    ee7de3d1b6a5629a77b53b84bf30feaf689fd860

                                    SHA256

                                    1f296bd21f4e1a1817b522c4c838c84ca144c6de4f1b0717f07377336cf32864

                                    SHA512

                                    5025585975a76c889323fba767f14a1e9b82aa4861aaa1ec378ec8e139efb9f4bd8cf88dacfc60e467718eec7225de1de3b37175d6a292c6a345360cb9d358cf

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

                                    Filesize

                                    2KB

                                    MD5

                                    084682c949368be08618a50f5612c77d

                                    SHA1

                                    110b24187c90ba1225794c02c95e4f01654aa87e

                                    SHA256

                                    2bfad7425f3185445ea74d1c8b3538feee0951858ea195be34690c9d2413a960

                                    SHA512

                                    f5bcefb6a320d143a84ba4bf549a5534f7530f6f55dc2f10d3f93dd46c0f1162781500545320d5dbdfd528d48b0f45a46e3cb01cfdffda83a3673ff7f4e88aef

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

                                    Filesize

                                    6KB

                                    MD5

                                    77caf8420eeb201d73bd6e15fb5138a7

                                    SHA1

                                    b2052d6cdce26ab3341fce82a1f85bab75c3e350

                                    SHA256

                                    36f99b6f7aa51c635fb74a726b21f5e56564e4c51556f2268a089f1174d752cf

                                    SHA512

                                    e63688df8af296f26ec25ed925f7b010ed0dc533234dda5b085174b6f15fd1cf6c09c982e6b8d10499067b2c3c8ac31e0d7b2e7af189e88d92ae9eff7de27d09

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

                                    Filesize

                                    7KB

                                    MD5

                                    6287ad110f950a2f5f6f498d8cd228a7

                                    SHA1

                                    fc317bbef0c61113d2f7a7a619b78186bb44bb34

                                    SHA256

                                    f6ebef55bfd2f2c402e1a7f6f7fbacbc6af777a75f811f23f7b05e636da02fa7

                                    SHA512

                                    af8c1978029bf95dc13e1b0560d44aba3e1aa2c3201efc6eaa24e1133cf92e1ade412f0df9787bdd109d8780fdd1ef3ae1f7b4669df132463ec1e3fbd7e0080a

                                  • 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

                                    15658bbe51705820874142a124d70eb2

                                    SHA1

                                    bd9fe17189081c7b77bfd5e6cf46d5d1ffea74ab

                                    SHA256

                                    a2cd4da0279db61ade6372709618e44e871b46db025bc3ee36de84d322ff6a42

                                    SHA512

                                    390f0fb4460ac06d128f8de7ccc25172f80209fa84f36bdc417ead7bb3fe78eefbd673d216c5d57ac3d57e222e3a5deb3965a2521fa1b8ab2d9dbed76add368c

                                  • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\StdUtils.dll

                                    Filesize

                                    100KB

                                    MD5

                                    c6a6e03f77c313b267498515488c5740

                                    SHA1

                                    3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                    SHA256

                                    b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                    SHA512

                                    9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                                  • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\System.dll

                                    Filesize

                                    12KB

                                    MD5

                                    0d7ad4f45dc6f5aa87f606d0331c6901

                                    SHA1

                                    48df0911f0484cbe2a8cdd5362140b63c41ee457

                                    SHA256

                                    3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                    SHA512

                                    c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                                  • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\WinShell.dll

                                    Filesize

                                    3KB

                                    MD5

                                    1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                    SHA1

                                    0b9519763be6625bd5abce175dcc59c96d100d4c

                                    SHA256

                                    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                    SHA512

                                    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                                  • C:\Users\Admin\AppData\Local\Temp\nsk6051.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

                                    14714def5f1c95897e4e56872dd937cd

                                    SHA1

                                    db9090f546591fc86bb63d56d506b6307ba15a66

                                    SHA256

                                    54a6816ea34d922f622cd4a60a3aa6ee851953a1478fced4568b508f7b6039ed

                                    SHA512

                                    8d0c9a63b3c10e0612fa6a187cec1054de7e41198588c113e8f0e870b689869bd4ee9b02fc31a325da7f204ef134c81593d213d7df04366ea5031f9e40155fb3