Analysis

  • max time kernel
    50s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 05:34

General

  • Target

    w.exe

  • Size

    203KB

  • MD5

    2a2de5272ec9bfa224ed53d1bd36984a

  • SHA1

    10e80ca6aefd7c78e56435808d9fcced9ab33217

  • SHA256

    b75ecda4b4e0da44d88a871d48168a92d39e11a7c0eb0ba626a1f78e793b027d

  • SHA512

    3e2054895226b4af02a1f5afb884521e70a5772c749a5564322e87276cfac7edf2ca9da0fe72ffb378268983b47cbde4998e3fad0c90153548ab4277d27cd36c

  • SSDEEP

    6144:sLV6Bta6dtJmakIM5EEN/wjwJsvle+o9f/J:sLV6BtpmkeElepZ

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\w.exe
    "C:\Users\Admin\AppData\Local\Temp\w.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:584
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8DDE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2352
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp908D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2920
  • 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:2868
    • 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,0x7fef72c9758,0x7fef72c9768,0x7fef72c9778
      2⤵
        PID:2740
      • 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=1172 --field-trial-handle=1220,i,1999522865465245148,7433451700204366663,131072 /prefetch:2
        2⤵
          PID:3028
        • 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=1504 --field-trial-handle=1220,i,1999522865465245148,7433451700204366663,131072 /prefetch:8
          2⤵
            PID:2452
          • 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=1608 --field-trial-handle=1220,i,1999522865465245148,7433451700204366663,131072 /prefetch:8
            2⤵
              PID:2440
            • 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=2296 --field-trial-handle=1220,i,1999522865465245148,7433451700204366663,131072 /prefetch:1
              2⤵
                PID:3040
              • 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=2316 --field-trial-handle=1220,i,1999522865465245148,7433451700204366663,131072 /prefetch:1
                2⤵
                  PID:2744
                • 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=1324 --field-trial-handle=1220,i,1999522865465245148,7433451700204366663,131072 /prefetch:2
                  2⤵
                    PID:1960
                  • 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=2204 --field-trial-handle=1220,i,1999522865465245148,7433451700204366663,131072 /prefetch:1
                    2⤵
                      PID:752
                    • 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=3660 --field-trial-handle=1220,i,1999522865465245148,7433451700204366663,131072 /prefetch:8
                      2⤵
                        PID:1904
                    • 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:972

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

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

                        Filesize

                        264KB

                        MD5

                        f50f89a0a91564d0b8a211f8921aa7de

                        SHA1

                        112403a17dd69d5b9018b8cede023cb3b54eab7d

                        SHA256

                        b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                        SHA512

                        bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

                        Filesize

                        987B

                        MD5

                        90c398328a91434bb83d583034559488

                        SHA1

                        2be383fc7c833cc80cfb8fb49bfb1628327f9b7c

                        SHA256

                        d0cba2070d7b3e35a8668dadf95b6a9ac3e289640baca9cafbb70c8ddd505a71

                        SHA512

                        060c6eaa36fc986ef4c98c920c217984408fe4c955aa2eb25651a63dc25626a61a4c87f1d3da6af90e3c6391ad999e32123d53449683fbbd145b21e6989f2a28

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

                        Filesize

                        4KB

                        MD5

                        466c042f32a73b9709929bcf86e10206

                        SHA1

                        8738745b73a00e161cc8224763ea180635a61f40

                        SHA256

                        57148a5da894470eae1575e2810d1b634ab0c46b43528166258e99f42a954679

                        SHA512

                        1814a8d0f6bc670aa92b0ddea59327c6ff61e82a9d3ee10b19b672099de9da887a42562f960aacf0572f73b5e8936582b87ab0c8e27a0bf616692c3a3d794335

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

                        Filesize

                        4KB

                        MD5

                        656795fa218f7c17508bc2e6cd697d36

                        SHA1

                        53cc9cb946ede9ddd04991155af86727d84e416c

                        SHA256

                        971aa26467047a980555cdf51a90efce66b5eca2acc80da3c846e8182e8481fa

                        SHA512

                        e6e2fabcde5110f8978bb74876250bd04de57b7b7844ccd286ed5cfacc11d460d45e4b3a873e6870c31f3374d2819ccd9f11743cd6b9d6ed455c6b0609694602

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                        Filesize

                        16B

                        MD5

                        18e723571b00fb1694a3bad6c78e4054

                        SHA1

                        afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                        SHA256

                        8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                        SHA512

                        43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                      • C:\Users\Admin\AppData\Local\Temp\tmp8DDE.tmp

                        Filesize

                        1KB

                        MD5

                        3e695ac5796d8b4fbfcb0ec797c67b7b

                        SHA1

                        f820a93c9a19ab7ebd14bd0eb7c5e765abafc604

                        SHA256

                        61f9f68def4fd46ddcb308dcc16c0ef0f871cae40cc8b4ecde8b22307b76c19f

                        SHA512

                        7096c583acfee75eec56bdbc63e8a2c5202a26cfcb5c6971625edbd9046ded7e32c9c33b3195533673558aa0b6025c2f6d9fe2203b4bb390c13f743439c92652

                      • C:\Users\Admin\AppData\Local\Temp\tmp908D.tmp

                        Filesize

                        1KB

                        MD5

                        8f5713b14cee3089852f6c8d2a7a7d57

                        SHA1

                        8bffbea05715c6434ad593cce8a2c737f80ff788

                        SHA256

                        ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c

                        SHA512

                        82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72

                      • memory/584-11-0x0000000074210000-0x00000000747BB000-memory.dmp

                        Filesize

                        5.7MB

                      • memory/584-10-0x0000000074210000-0x00000000747BB000-memory.dmp

                        Filesize

                        5.7MB

                      • memory/584-0-0x0000000074211000-0x0000000074212000-memory.dmp

                        Filesize

                        4KB

                      • memory/584-2-0x0000000074210000-0x00000000747BB000-memory.dmp

                        Filesize

                        5.7MB

                      • memory/584-1-0x0000000074210000-0x00000000747BB000-memory.dmp

                        Filesize

                        5.7MB