Analysis

  • max time kernel
    1691s
  • max time network
    1699s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2024 14:56

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 12 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:4356
    • 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:2548
      • 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:544
        • 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:3624
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Lunar Client.exe"
          4⤵
            PID:4692
        • 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:4412
          • 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,0x100,0x104,0xd8,0x108,0x7ffcaca946f8,0x7ffcaca94708,0x7ffcaca94718
            4⤵
              PID:3452
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2096 /prefetch:2
              4⤵
                PID:1168
              • 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=2092,10469070261885942999,8509723473865945209,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2180 /prefetch:3
                4⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4804
              • 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=2092,10469070261885942999,8509723473865945209,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2712 /prefetch:8
                4⤵
                  PID:4916
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=3548 /prefetch:1
                  4⤵
                    PID:4892
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=3568 /prefetch:1
                    4⤵
                      PID:3756
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=5116 /prefetch:1
                      4⤵
                        PID:3024
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=4332 /prefetch:1
                        4⤵
                          PID:4356
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=5368 /prefetch:1
                          4⤵
                            PID:3244
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=5132 /prefetch:1
                            4⤵
                              PID:2256
                            • 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=2092,10469070261885942999,8509723473865945209,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5900 /prefetch:8
                              4⤵
                                PID:1144
                              • 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=2092,10469070261885942999,8509723473865945209,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5900 /prefetch:8
                                4⤵
                                  PID:4548
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=5756 /prefetch:1
                                  4⤵
                                    PID:4920
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=5428 /prefetch:1
                                    4⤵
                                      PID:4768
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2092,10469070261885942999,8509723473865945209,131072 --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=3996 /prefetch:2
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4016
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4536
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:1784

                                  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

                                    1e3dc6a82a2cb341f7c9feeaf53f466f

                                    SHA1

                                    915decb72e1f86e14114f14ac9bfd9ba198fdfce

                                    SHA256

                                    a56135007f4dadf6606bc237cb75ff5ff77326ba093dff30d6881ce9a04a114c

                                    SHA512

                                    0a5223e8cecce77613b1c02535c79b3795e5ad89fc0a934e9795e488712e02b527413109ad1f94bbd4eb35dd07b86dd6e9f4b57d4d7c8a0a57ec3f7f76c7890a

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

                                    Filesize

                                    152B

                                    MD5

                                    36bb45cb1262fcfcab1e3e7960784eaa

                                    SHA1

                                    ab0e15841b027632c9e1b0a47d3dec42162fc637

                                    SHA256

                                    7c6b0de6f9b4c3ca1f5d6af23c3380f849825af00b58420b76c72b62cfae44ae

                                    SHA512

                                    02c54c919f8cf3fc28f5f965fe1755955636d7d89b5f0504a02fcd9d94de8c50e046c7c2d6cf349fabde03b0fbbcc61df6e9968f2af237106bf7edd697e07456

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

                                    Filesize

                                    672B

                                    MD5

                                    a7086ebcd53714334bc6a46635e0063b

                                    SHA1

                                    7b11cac7b3f8dfaa69f72705f1ad216226dd7da8

                                    SHA256

                                    861ebeb4198d8cfa1f369c15ddfabe5c82b3c1f6c355fb9a6fee4eda35bfbd43

                                    SHA512

                                    7dc12c4c5fab3f72885f07ece3a32213248ff7b9911393ee6e1a12f012c58c1855b288a929e1925cb303607f17280efd7255e88ae8deb363fa84424f3ebf6392

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

                                    Filesize

                                    2KB

                                    MD5

                                    2870a09ef2c031ae0132865a1386d16e

                                    SHA1

                                    b3b8b5c1fc064f9670427f7d16b14f09dc23c9e8

                                    SHA256

                                    b65ddaa620af91f31a9cabd7e25156c3e37bf59b248c8eeafc4228b238ea688d

                                    SHA512

                                    444fde64f6b777c146c259aa0b0c233e6f3fe7932b5b81aa31f5f6d21eb5d417d23c77b8af660c730157d6d1a62aaf21c37cc877b2f69afa0c187704bfa88fbf

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

                                    Filesize

                                    6KB

                                    MD5

                                    09905d25b3ca6c8a40fd4cc06f5ea79d

                                    SHA1

                                    b4315a76bcf2337b1270de95a20a271b77a7525c

                                    SHA256

                                    c854a589243fed067483e8c755bb1b5508338b0fd33eaacc49ce0fe9c0f8e335

                                    SHA512

                                    317705ab40a555e7fe58561b6ce47a8114a328e9b648ccebee7104a048cdd4ef91c64fbe93da437867819d7b55f7320813de4c68e130d49f14998d98a81145b8

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

                                    Filesize

                                    7KB

                                    MD5

                                    2f4eb07c0c60d0e2544457fd7cb8389c

                                    SHA1

                                    e0e9914502436e922abc6066e8a5d351629f7049

                                    SHA256

                                    19ae8e5ac9d47a081bc97a0beb52382c33aef731b784dab373ca0dcf264f3761

                                    SHA512

                                    df1ac2c848478be5e19ad2de4e80281156424f39ab5081cea92e8f49e739769621fea2d167e37ec362721d8da25908bbebf1ba2554dbf4f8ec878e7ee87f31c7

                                  • 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\dc6daf66-ebc5-4783-9e1f-cbae5a9a2030.tmp

                                    Filesize

                                    11KB

                                    MD5

                                    56f6bf3c8e52f0f052cc7e35d847354e

                                    SHA1

                                    750f7d0ef164353dce8b049c4204ff4d53c60aab

                                    SHA256

                                    b8ee270a914b653531981a89d3e08c07dfcf652acde7d56ba364962639eca31a

                                    SHA512

                                    d8f4ee5991a87acf33c7966ccd10eba5272da02a34db9db9c61d697cb3148a6bd930b624f9e6a03cdf25e1111b1a554bb7f719776e429a1b3c0d7b962c23b6a9

                                  • C:\Users\Admin\AppData\Local\Temp\nsz854E.tmp\StdUtils.dll

                                    Filesize

                                    100KB

                                    MD5

                                    c6a6e03f77c313b267498515488c5740

                                    SHA1

                                    3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                    SHA256

                                    b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                    SHA512

                                    9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                                  • C:\Users\Admin\AppData\Local\Temp\nsz854E.tmp\System.dll

                                    Filesize

                                    12KB

                                    MD5

                                    0d7ad4f45dc6f5aa87f606d0331c6901

                                    SHA1

                                    48df0911f0484cbe2a8cdd5362140b63c41ee457

                                    SHA256

                                    3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                    SHA512

                                    c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

                                  • C:\Users\Admin\AppData\Local\Temp\nsz854E.tmp\WinShell.dll

                                    Filesize

                                    3KB

                                    MD5

                                    1cc7c37b7e0c8cd8bf04b6cc283e1e56

                                    SHA1

                                    0b9519763be6625bd5abce175dcc59c96d100d4c

                                    SHA256

                                    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

                                    SHA512

                                    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

                                  • C:\Users\Admin\AppData\Local\Temp\nsz854E.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_4412_ZTVSGIWQHSZDTGLH

                                    MD5

                                    d41d8cd98f00b204e9800998ecf8427e

                                    SHA1

                                    da39a3ee5e6b4b0d3255bfef95601890afd80709

                                    SHA256

                                    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                    SHA512

                                    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e