Analysis

  • max time kernel
    143s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 03:00

General

  • Target

    $R0/Uninstall Lunar Client.exe

  • Size

    404KB

  • MD5

    2b0460d0a87551d72c668758ceca451c

  • SHA1

    32e14d13de061eae597c7631152ad6721210c400

  • SHA256

    a00f687f47b0773d6bde9767bcf44193252661bfd68958db68d81ed1a8b158f7

  • SHA512

    8afe92183d14c68bfa5f54d4f514c8d99c6db38f4f711302ce120bd2360f754c046d2872139898612982b9a4207ea82c7b0b9322409c95215a672d59ac44a352

  • SSDEEP

    3072:cn77v00hEoDEtauTsqBGeQIfxqxAjDsksbfVl1snhl+l2L0Sa9/l7a4vZAzLmDVz:c740IEa+ZWRql1DKs2t0EyL+yaK

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:2792
    • 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:4340
      • 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:980
        • 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:4980
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Lunar Client.exe"
          4⤵
            PID:4932
        • 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:2180
          • 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,0x100,0x104,0xd8,0x108,0x7ffcecc246f8,0x7ffcecc24708,0x7ffcecc24718
            4⤵
              PID:3288
            • 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=2152,14349455883506618308,12189762607822331149,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2244 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1908
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2196 /prefetch:2
              4⤵
                PID:4088
              • 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=2152,14349455883506618308,12189762607822331149,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2532 /prefetch:8
                4⤵
                  PID:3600
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --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=3412 /prefetch:1
                  4⤵
                    PID:3020
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --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=3400 /prefetch:1
                    4⤵
                      PID:1384
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --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=5328 /prefetch:1
                      4⤵
                        PID:2160
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --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=4924 /prefetch:1
                        4⤵
                          PID:2292
                        • 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=2152,14349455883506618308,12189762607822331149,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5532 /prefetch:8
                          4⤵
                            PID:980
                          • 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=2152,14349455883506618308,12189762607822331149,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5532 /prefetch:8
                            4⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1516
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --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=5776 /prefetch:1
                            4⤵
                              PID:332
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --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=5756 /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=2152,14349455883506618308,12189762607822331149,131072 --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=4868 /prefetch:1
                                4⤵
                                  PID:4344
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --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=5316 /prefetch:1
                                  4⤵
                                    PID:4464
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,14349455883506618308,12189762607822331149,131072 --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=3116 /prefetch:2
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4604
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3972
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3168

                                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

                                  d5564ccbd62bac229941d2812fc4bfba

                                  SHA1

                                  0483f8496225a0f2ca0d2151fab40e8f4f61ab6d

                                  SHA256

                                  d259ff04090cbde3b87a54554d6e2b8a33ba81e9483acbbe3e6bad15cbde4921

                                  SHA512

                                  300cda7933e8af577bdc1b20e6d4279d1e418cdb0571c928b1568bfea3c231ba632ccb67313ae73ddeae5586d85db95caffaedd23e973d437f8496a8c5a15025

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

                                  Filesize

                                  624B

                                  MD5

                                  e23b1c13a4a08fe416a9a6da9168ef5f

                                  SHA1

                                  4293e32d9bd6b72672832e3f1ec4dbf27a761010

                                  SHA256

                                  c2a76e9ffe327d9aa99c6bbe45b17706b926b1fb316e090a63b723feffaa76fc

                                  SHA512

                                  4fab0b90e4ed9d1d22620a798f81028d16a9eeccfc586fe6f6e744ed71972ed3ffae3bcb0171e9128fddb7f223d5ff98272ca8251367fb32c4dfa4725a820da3

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

                                  Filesize

                                  2KB

                                  MD5

                                  6dd4da592daf805122eb2d79aab79d06

                                  SHA1

                                  bebfde2c2017329e51e9d948cb94e74aac4ca227

                                  SHA256

                                  1d44350033ec79f196690d08e446c0580c55ffa11e9b5329c8df8618877d059f

                                  SHA512

                                  1ee6b235950dd1292463c53bf28a0dacd1a470d8e636fd9104294082f7bf97926a0ef0559c58a013241db698b558c22bffb000779dbf6c833dcd7e97f4d3cadf

                                • 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

                                  e30623798921390775b21429027aa769

                                  SHA1

                                  e9e0fa3318aa6d249ff89b7b346788335a4dffe1

                                  SHA256

                                  5389eb0dd00ee390b906faf7e2d0ac15f744b621ece8e9b8f4842128950691ba

                                  SHA512

                                  26ae2070244a4f59506ae744ed7a86adf0bad4b9738982858fc594b125904b0f119908aa2e749bfce2d6ff17da2e6049378bbeb116ab152b0a157875ed6bf5ca

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

                                  Filesize

                                  5KB

                                  MD5

                                  9b08eb612f694ff9e9183b9055021be4

                                  SHA1

                                  d5882072a6efec70e32d5f78157af211dca64cc5

                                  SHA256

                                  4811f28dd07d45fcd8696f4a7a6edaa05c98c0117ad2c3fc5b58c52dd332581e

                                  SHA512

                                  614204c919a83ec0e931acf6caa33215efba1f9ea94a55cb9ce61b55829e18a166f5604c1855aa52e35a1e2b97161a2762de75be42ffe2375bf081a04dbc3293

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

                                  Filesize

                                  24KB

                                  MD5

                                  1d1c7c7f0b54eb8ba4177f9e91af9dce

                                  SHA1

                                  2b0f0ceb9a374fec8258679c2a039fbce4aff396

                                  SHA256

                                  555c13933eae4e0b0e992713ed8118e2980442f89fbdfb06d3914b607edbbb18

                                  SHA512

                                  4c8930fe2c805c54c0076408aba3fbfb08c24566fba9f6a409b5b1308d39c7b26c96717d43223632f1f71d2e9e68a01b43a60031be8f1ca7a541fe0f56f4d9f2

                                • 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

                                  19bff176145640154861606f2326df52

                                  SHA1

                                  87abc70833ffd111c47bdbaed3319c8b61e591b8

                                  SHA256

                                  f19f30abf5ea8a5f8fed802cd7c7b07ea086ce7d578eb8c1342e42c96dcdb120

                                  SHA512

                                  376d45e9327ab44c54b78c259b9dc0da8eede167f21ba13ac52405127925d1170fca47f9f83407c75e68000b8413086c3516c7f6e0f2c3837b8f20ba6633b33c

                                • C:\Users\Admin\AppData\Local\Temp\nsg7D8D.tmp\StdUtils.dll

                                  Filesize

                                  100KB

                                  MD5

                                  c6a6e03f77c313b267498515488c5740

                                  SHA1

                                  3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                  SHA256

                                  b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                  SHA512

                                  9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                                • C:\Users\Admin\AppData\Local\Temp\nsg7D8D.tmp\System.dll

                                  Filesize

                                  12KB

                                  MD5

                                  0d7ad4f45dc6f5aa87f606d0331c6901

                                  SHA1

                                  48df0911f0484cbe2a8cdd5362140b63c41ee457

                                  SHA256

                                  3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                  SHA512

                                  c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                                • C:\Users\Admin\AppData\Local\Temp\nsg7D8D.tmp\WinShell.dll

                                  Filesize

                                  3KB

                                  MD5

                                  1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                  SHA1

                                  0b9519763be6625bd5abce175dcc59c96d100d4c

                                  SHA256

                                  9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                  SHA512

                                  7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                                • C:\Users\Admin\AppData\Local\Temp\nsg7D8D.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

                                  2b0460d0a87551d72c668758ceca451c

                                  SHA1

                                  32e14d13de061eae597c7631152ad6721210c400

                                  SHA256

                                  a00f687f47b0773d6bde9767bcf44193252661bfd68958db68d81ed1a8b158f7

                                  SHA512

                                  8afe92183d14c68bfa5f54d4f514c8d99c6db38f4f711302ce120bd2360f754c046d2872139898612982b9a4207ea82c7b0b9322409c95215a672d59ac44a352