Analysis

  • max time kernel
    1599s
  • max time network
    1571s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 17:05

General

  • Target

    lunar-client-v3_2_3.exe

  • Size

    1.0MB

  • MD5

    0814a485d44ded97e275e8e80f6c17ca

  • SHA1

    69862f6fb82651f3a097fe7554440537ea0f1a90

  • SHA256

    560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea

  • SHA512

    bd9abe5bd35d21bb57be9e757a6e7293f9e71738045fff6b53788e36bd442d1b8af21ea38a528ea0910434cc32ac610fbaf4200a6faf615828f47d8b74987dbd

  • SSDEEP

    24576:s2Oawk0MDhozjDu173pG1szLSvJwnHNiTWQC:MkPDhEjK73pfqvCHH

Score
4/10

Malware Config

Signatures

  • Loads dropped DLL 2 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 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lunar-client-v3_2_3.exe
    "C:\Users\Admin\AppData\Local\Temp\lunar-client-v3_2_3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    PID:1948
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x540
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2228
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:932
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef59e9758,0x7fef59e9768,0x7fef59e9778
      2⤵
        PID:1332
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1140 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:2
        2⤵
          PID:2416
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1512 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:8
          2⤵
            PID:2428
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1612 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:8
            2⤵
              PID:2908
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2344 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:1
              2⤵
                PID:2968
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2356 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:1
                2⤵
                  PID:2952
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1472 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:2
                  2⤵
                    PID:1528
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3228 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:1
                    2⤵
                      PID:2200
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3468 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:8
                      2⤵
                        PID:840
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3592 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:8
                        2⤵
                          PID:2016
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3708 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:8
                          2⤵
                            PID:2296
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3944 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:8
                            2⤵
                              PID:2624
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3948 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:8
                              2⤵
                                PID:2696
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=4040 --field-trial-handle=1188,i,17122770120712476143,17218585186135924237,131072 /prefetch:1
                                2⤵
                                  PID:2496
                              • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                1⤵
                                  PID:3028

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\63ba1409-ce4c-4df4-971a-270446120b92.tmp

                                  Filesize

                                  265KB

                                  MD5

                                  c673b0bafd66cc49a01d532827db2b9b

                                  SHA1

                                  e29b41bdf59893555280539ec0bbea5466362fc1

                                  SHA256

                                  a465d2fb32bcc119478700c3b7712d137302ca8e2721e34fda9083a93ee0593d

                                  SHA512

                                  16fca20807e26ca1f7a4890546f271cae835aad3e574acc62e1f0981228384f72b6bd758e8e8e40b6bfc59b7ca719abeb3e710b0fcaf29088dcb2e88684c5eec

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000005

                                  Filesize

                                  198KB

                                  MD5

                                  319e0c36436ee0bf24476acbcc83565c

                                  SHA1

                                  fb2658d5791fe5b37424119557ab8cee30acdc54

                                  SHA256

                                  f6562ea52e056b979d6f52932ae57b7afb04486b10b0ebde22c5b51f502c69d1

                                  SHA512

                                  ad902b9a010cf99bdedba405cad0387890a9ff90a9c91f6a3220cdceec1b08ecb97a326aef01b28d8d0aacb5f2a16f02f673e196bdb69fc68b3f636139059902

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\DawnCache\data_1

                                  Filesize

                                  264KB

                                  MD5

                                  f50f89a0a91564d0b8a211f8921aa7de

                                  SHA1

                                  112403a17dd69d5b9018b8cede023cb3b54eab7d

                                  SHA256

                                  b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                  SHA512

                                  bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  5KB

                                  MD5

                                  bfc12e24a2067146776e2b40017ff829

                                  SHA1

                                  d1cd35c800ee2d55702e661903cff9c9a2643bc4

                                  SHA256

                                  ff1d1357592e5330d2e493592b33f90893ea87ff6364caec84c23a85de1b742a

                                  SHA512

                                  b20184d5317142226c82fca017950ef9a121c1f6ac610c685fb5491bdf04a5ac98cd634bd33cb7839014597b98cf7a7dad5ee2ed4e3334e8c41ff84d11425543

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                                  Filesize

                                  16B

                                  MD5

                                  18e723571b00fb1694a3bad6c78e4054

                                  SHA1

                                  afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                  SHA256

                                  8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                  SHA512

                                  43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                  Filesize

                                  265KB

                                  MD5

                                  ea45ac8a32e137c17b141484a2ac606b

                                  SHA1

                                  cc96bda06f3274bbbfa10f8645a26031ee303dd5

                                  SHA256

                                  ed7eb77c1d28dafb2f48025c21e4baaf457a3f044a2bd3d0b58ba3a1d6b22b49

                                  SHA512

                                  e75b0bb9ae1ec1d5c3049df3bdfa58223329ef0948e1fdd5501a68f899c0039c61e83b583a071a611961eaff8b57edf98e86bbaf24803c285857da543103b2be

                                • \??\pipe\crashpad_932_GBYREVWRUOBODEDJ

                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                • \Users\Admin\AppData\Local\Temp\nsi2A1D.tmp\StdUtils.dll

                                  Filesize

                                  100KB

                                  MD5

                                  c6a6e03f77c313b267498515488c5740

                                  SHA1

                                  3d49fc2784b9450962ed6b82b46e9c3c957d7c15

                                  SHA256

                                  b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

                                  SHA512

                                  9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

                                • \Users\Admin\AppData\Local\Temp\nsi2A1D.tmp\System.dll

                                  Filesize

                                  12KB

                                  MD5

                                  0d7ad4f45dc6f5aa87f606d0331c6901

                                  SHA1

                                  48df0911f0484cbe2a8cdd5362140b63c41ee457

                                  SHA256

                                  3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

                                  SHA512

                                  c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9