Overview

overview

4

Static

static

1

winrar-x64-701.exe

windows7-x64

4

winrar-x64-701.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    56s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 14:55

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General

  • Target

    winrar-x64-701.exe

  • Size

    3.8MB

  • MD5

    46c17c999744470b689331f41eab7df1

  • SHA1

    b8a63127df6a87d333061c622220d6d70ed80f7c

  • SHA256

    c5b5def1c8882b702b6b25cbd94461c737bc151366d2d9eba5006c04886bfc9a

  • SHA512

    4b02a3e85b699f62df1b4fe752c4dee08cfabc9b8bb316bc39b854bd5187fc602943a95788ec680c7d3dc2c26ad882e69c0740294bd6cb3b32cdcd165a9441b6

  • SSDEEP

    98304:6NRBOBfKgQIm9EOTqw8vjh9Ac9nUNupK4hVvcF+yHrAr:sR/gmeOqv7Ac9F0kB

Score
4/10
discoverypersistence

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 60 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Modifies system executable filetype association 2 TTPs 8 IoCs
    persistence
  • Registers COM server for autorun 1 TTPs 3 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\winrar-x64-701.exe
    "C:\Users\Admin\AppData\Local\Temp\winrar-x64-701.exe"
    1⤵
    • Drops file in Program Files directory
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Program Files\WinRAR\uninstall.exe
      "C:\Program Files\WinRAR\uninstall.exe" /setup
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system executable filetype association
      • Registers COM server for autorun
      • Modifies registry class
      PID:2576
  • 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:348
    • 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,0x7fef5c39758,0x7fef5c39768,0x7fef5c39778
      2⤵
        PID:2012
      • 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=1164 --field-trial-handle=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:2
        2⤵
          PID:1352
        • 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=1508 --field-trial-handle=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:8
          2⤵
            PID:1124
          • 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=1640 --field-trial-handle=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:8
            2⤵
              PID:2268
            • 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=2240 --field-trial-handle=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:1
              2⤵
                PID:2004
              • 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=2248 --field-trial-handle=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:1
                2⤵
                  PID:776
                • 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=1548 --field-trial-handle=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:2
                  2⤵
                    PID:2604
                  • 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=1332 --field-trial-handle=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:1
                    2⤵
                      PID:2480
                    • 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=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:8
                      2⤵
                        PID:1684
                      • 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=3472 --field-trial-handle=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:8
                        2⤵
                          PID:3012
                        • 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=1384,i,9697019552988426827,7109902408675970582,131072 /prefetch:8
                          2⤵
                          • Loads dropped DLL
                          PID:2784
                      • 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:2296

                        Network

                        MITRE ATT&CK Enterprise v15

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                        Downloads

                        • C:\Program Files\WinRAR\Rar.txt
                          Filesize

                          105KB

                          MD5

                          b954981a253f5e1ee25585037a0c5fee

                          SHA1

                          96566e5c591df1c740519371ee6953ac1dc6a13f

                          SHA256

                          59e40b34b09be2654b793576035639c459ad6e962f9f9cd000d556fa21b1c7cd

                          SHA512

                          6a7772c6b404cd7fee50110b894ff0c470e5813264e605852b8dcc06bfaeb62b8cc79adcb695b3da149e42d5372a0d730cc7e8ed893c0bd0edb015fc088b7531

                          Download Submit

                        • C:\Program Files\WinRAR\WhatsNew.txt
                          Filesize

                          45KB

                          MD5

                          1c44c85fdab8e9c663405cd8e4c3dbbd

                          SHA1

                          74d44e9cb2bf6f4c152aadb61b2ffc6b6ccd1c88

                          SHA256

                          33108dd40b4e07d60e96e1bcfa4ad877eb4906de2cc55844e40360e5d4dafb5d

                          SHA512

                          46d3fb4f2d084d51b6fd01845823100abc81913ebd1b0bcfeb52ef18e8222199d282aa45cae452f0716e0e2bf5520f7a6a254363d22b65f7ab6c10f11292ee2d

                          Download Submit

                        • C:\Program Files\WinRAR\WinRAR.chm
                          Filesize

                          316KB

                          MD5

                          6ca1bc8bfe8b929f448e1742dacb8e7f

                          SHA1

                          eca3e637db230fa179dcd6c6499bd7d616f211e8

                          SHA256

                          997184b6f08d36dedc2cd12ee8dc5afb5e6e4bf77f7ab10f7ade9eefdb163344

                          SHA512

                          d823f2c960a4d92129b9bda0f4f9195d32e64b929082b5efb9149546b5053021255d1dd03cb443f0a03106314554f76b94173e280a553a81e4ac2ac282877973

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                        • C:\Program Files\WinRAR\WinRAR.exe
                          Filesize

                          3.1MB

                          MD5

                          53cf9bacc49c034e9e947d75ffab9224

                          SHA1

                          7db940c68d5d351e4948f26425cd9aee09b49b3f

                          SHA256

                          3b214fd9774c6d96332e50a501c5e467671b8b504070bbb17e497083b7e282c3

                          SHA512

                          44c9154b1fdbcf27ab7faee6be5b563a18b2baead3e68b3ea788c6c76cf582f52f3f87bd447a4f6e25ec7d4690761332211659d754fb4e0630c22a372e470bda

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                        • C:\Program Files\WinRAR\rarext.dll
                          Filesize

                          636KB

                          MD5

                          1e86c3bfcc0688bdbe629ed007b184b0

                          SHA1

                          793fada637d0d462e3511af3ffaec26c33248fac

                          SHA256

                          7b08daee81a32f72dbc10c5163b4d10eb48da8bb7920e9253be296774029f4ef

                          SHA512

                          4f8ae58bbf55acb13600217ed0eef09fa5f124682cedd2bfc489d83d921f609b66b0294d8450acb1a85d838adb0e8394dadf5282817dba576571e730704f43ac

                          Download Submit

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

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

                          5KB

                          MD5

                          927271732524d7b92702690ae59f60a3

                          SHA1

                          c9dbb662e9adecf869d916dd69fbcbd7638fb4bf

                          SHA256

                          a4dca02eca832ac8079c9ebc190430e2484743e6255230b1a3b665a9001a3837

                          SHA512

                          4c388f4a4a4a60e5cbe8745d69e749404ef150f4084a4603c160f963c193c9011286257642588afd5ee5305eb1dd39d0b5fe194760251ab25ec4b102465396a5

                          Download Submit

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

                          5KB

                          MD5

                          41bf802f7fa236cd41298fc48acbd014

                          SHA1

                          a4057b58c1231ad6ce9208cab549ea7730dd7c29

                          SHA256

                          bbd017d3bec75cb26d50d798464f643c825a8ad2ba1c91cc67101dae9e25948e

                          SHA512

                          d7060237cd81006a4f83a39cf5072c38160c6dd89a9c462c51386f1e091d33f851aefe67c40c5e0d19680ed29825320d570a4ba3ed0256cdb3f90e0143d5bd08

                          Download Submit

                        • 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

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                        • \Program Files\WinRAR\Uninstall.exe
                          Filesize

                          477KB

                          MD5

                          4783f1a5f0bba7a6a40cb74bc8c41217

                          SHA1

                          a22b9dc8074296841a5a78ea41f0e2270f7b7ad7

                          SHA256

                          f376aaa0d4444d0727db5598e8377f9f1606400adbbb4772d39d1e4937d5f28c

                          SHA512

                          463dff17f06eca41ae76e3c0b2efc4ef36529aa2eaed5163eec0a912fe7802c9fb38c37acfe94b82972861aaf1acf02823a5948fbb3292bb4743641acb99841e

                          Download Submit