Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-02-2024 13:42

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:2764
    • 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:3740
      • 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:3292
        • 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:3808
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Lunar Client.exe"
          4⤵
            PID:4904
        • 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:3648
          • 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,0x100,0x104,0xd8,0x108,0x7ff86d5846f8,0x7ff86d584708,0x7ff86d584718
            4⤵
              PID:2184
            • 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=2060,13166494107911875513,691257962738995839,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2396 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:112
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2092 /prefetch:2
              4⤵
                PID:5088
              • 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=2060,13166494107911875513,691257962738995839,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2772 /prefetch:8
                4⤵
                  PID:4372
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=3324 /prefetch:1
                  4⤵
                    PID:3556
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=3308 /prefetch:1
                    4⤵
                      PID:4804
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=5112 /prefetch:1
                      4⤵
                        PID:1256
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=3688 /prefetch:1
                        4⤵
                          PID:3564
                        • 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=2060,13166494107911875513,691257962738995839,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4708 /prefetch:8
                          4⤵
                            PID:996
                          • 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=2060,13166494107911875513,691257962738995839,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4708 /prefetch:8
                            4⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4560
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=5508 /prefetch:1
                            4⤵
                              PID:1192
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=5100 /prefetch:1
                              4⤵
                                PID:4624
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=3592 /prefetch:1
                                4⤵
                                  PID:1408
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=5124 /prefetch:1
                                  4⤵
                                    PID:2220
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2060,13166494107911875513,691257962738995839,131072 --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=2484 /prefetch:2
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4232
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:744
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:1008

                                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

                                  bcaf436ee5fed204f08c14d7517436eb

                                  SHA1

                                  637817252f1e2ab00275cd5b5a285a22980295ff

                                  SHA256

                                  de776d807ae7f2e809af69746f85ea99e0771bbdaaed78a764a6035dabe7f120

                                  SHA512

                                  7e6cf2fdffdcf444f6ef4a50a6f9ef1dfb853301467e3f4784c9ee905c3bf159dc3ee9145d77dbf72637d5b99242525eb951b91c020e5f4e5cfcfd965443258c

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

                                  Filesize

                                  648B

                                  MD5

                                  0f6adf22c8389f9bb027cb034b33b714

                                  SHA1

                                  0f7ad8970c1c8cc1ecf037de3f84faf144041764

                                  SHA256

                                  72a25fffdb25e021609e113dd0d1f690d19b32d5fabbffce67800318bcf22200

                                  SHA512

                                  90d02fabd3b12764a07d898daf087378aeabda6eda68c413d2e9dc1a2274004b0be86723d15c716b8d9e54aa828c02d27ba854bba3bf4ac74a87d6992fea5a60

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

                                  Filesize

                                  111B

                                  MD5

                                  285252a2f6327d41eab203dc2f402c67

                                  SHA1

                                  acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                  SHA256

                                  5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                  SHA512

                                  11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                  Filesize

                                  2KB

                                  MD5

                                  8374c395ab12a16e5d764f4549129ca4

                                  SHA1

                                  6b24dde6e349d11bac36d6ce70aaddfcdb586340

                                  SHA256

                                  eb796f5b890dde31c09487cc8f4e7ecaa99935d51db08259f57b9f210325fc3c

                                  SHA512

                                  93018b7c0ebccbb902ad1f8aad6ebdd59b28566de77a5fe227c34b1e1dd6d72cc175495e9f491da61332c69fa5704ea5a5f963e5a91dca03bc3c1c67450b9822

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

                                  Filesize

                                  6KB

                                  MD5

                                  d0225829150cda5e56e00bf4e581d3ac

                                  SHA1

                                  31e00757eb5d350fe9ed86dad6c16368aa688d52

                                  SHA256

                                  4160f94bc9769fb8ecae85affcc59127141454c5a8c32f124f5e941cdab6bacb

                                  SHA512

                                  b6c36127db74a1af16efb604dc6fdc6c51d63bd73edca45638f1ae1415e77630a129c3f9381eb527d205aa4ab80c2d772449289220d909e099d38300261cafae

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

                                  Filesize

                                  5KB

                                  MD5

                                  d6a9d754d24c2d7d4540fec1b1b92a0b

                                  SHA1

                                  55b19366288cd10a5356f0921761933f971c592c

                                  SHA256

                                  3c776e6bc23363c8fb6d95ee1cccf81fddcdda1d7a7d262ed4d86a2d06f85b60

                                  SHA512

                                  1e3d53f6ac84417323a58accd23212f7e0424baead0775195d44898907ef66a51c90d8320036f73ae39d1e06ef3046163c322a85352f03b9c0bcdc34f49978b7

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

                                  Filesize

                                  24KB

                                  MD5

                                  b0ba6f0eee8f998b4d78bc4934f5fd17

                                  SHA1

                                  589653d624de363d3e8869c169441b143c1f39ad

                                  SHA256

                                  4b5ee509e727accbd11493dda2c1d512e7dbfaff66c4f5f7ea9c2d2ccd06151f

                                  SHA512

                                  e9a165da246c6b80fc38431538203cf03f95794184ff63f00c9500f8919a2028b803f64b670e685185eed72df0509e3185c9b434fdbf2bc7af36021d46bd08d9

                                • 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

                                  27eede039a79fc7323661d7805fb734f

                                  SHA1

                                  6cff94020557eea3ebb1cca1b40431e5cdf48e04

                                  SHA256

                                  0cf8f2d44b5a5d668df5e135855a8b6868746f78e4a6f521fe3f89d0242159af

                                  SHA512

                                  e6c99aca9d3f147eac195fb947da2e8155d1f1ab4bc4c681d66425bb683c7723e76474cab0827492f7e3a887892e6cc46872031329ad43a737cff4aa64eeba46

                                • C:\Users\Admin\AppData\Local\Temp\nsj43E0.tmp\StdUtils.dll

                                  Filesize

                                  100KB

                                  MD5

                                  c6a6e03f77c313b267498515488c5740

                                  SHA1

                                  3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                  SHA256

                                  b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                  SHA512

                                  9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                                • C:\Users\Admin\AppData\Local\Temp\nsj43E0.tmp\System.dll

                                  Filesize

                                  12KB

                                  MD5

                                  0d7ad4f45dc6f5aa87f606d0331c6901

                                  SHA1

                                  48df0911f0484cbe2a8cdd5362140b63c41ee457

                                  SHA256

                                  3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                  SHA512

                                  c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                                • C:\Users\Admin\AppData\Local\Temp\nsj43E0.tmp\WinShell.dll

                                  Filesize

                                  3KB

                                  MD5

                                  1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                  SHA1

                                  0b9519763be6625bd5abce175dcc59c96d100d4c

                                  SHA256

                                  9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                  SHA512

                                  7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                                • C:\Users\Admin\AppData\Local\Temp\nsj43E0.tmp\nsExec.dll

                                  Filesize

                                  6KB

                                  MD5

                                  ec0504e6b8a11d5aad43b296beeb84b2

                                  SHA1

                                  91b5ce085130c8c7194d66b2439ec9e1c206497c

                                  SHA256

                                  5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

                                  SHA512

                                  3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

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

                                  Filesize

                                  404KB

                                  MD5

                                  227c1f9fe7c7f6fb24a451a5ca84e722

                                  SHA1

                                  9c34be548c0b2affd930d05c1b315a5cbe9bca45

                                  SHA256

                                  bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a

                                  SHA512

                                  1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66

                                • \??\pipe\LOCAL\crashpad_3648_MDNDTXZYPDWMBRDJ

                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e