Resubmissions

11-02-2024 21:57

240211-1t9scsdg96 10

02-02-2024 22:15

240202-16ah2ahbh8 10

02-02-2024 22:07

240202-11pqrsghg7 10

Analysis

  • max time kernel
    56s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2024 22:15

General

  • Target

    Kegelwoofer.exe

  • Size

    16.4MB

  • MD5

    c119e3f34a0f0085c82c20f60fb7efd3

  • SHA1

    da7c25a95f7b1c4f185e9d8d86ac9435b3379eec

  • SHA256

    39683e288e1052794d30c04455c0731c369a1efc2db61351f3f08959679cd579

  • SHA512

    3bfd5a0cea9f08f9801834e0ba6c11605ac029360d06446e1f71e23fd30fef6a0e0d953a3b5beae067eafa5e8b92e4638bf81b1c055c3a66966fb1ae76243c65

  • SSDEEP

    393216:7YiIE7YoSDn5ntpUTLfhJsW+eGQRCMTozGxu8C0ibfz6e570A8K5TWCuVl:757rSDnRHUTLJSW+e5RLoztZ026e5QUW

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 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\Kegelwoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\Kegelwoofer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Users\Admin\AppData\Local\Temp\Kegelwoofer.exe
      "C:\Users\Admin\AppData\Local\Temp\Kegelwoofer.exe"
      2⤵
      • Loads dropped DLL
      PID:2616
  • 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:328
    • 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,0x7fef7209758,0x7fef7209768,0x7fef7209778
      2⤵
        PID:1060
      • 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=1204 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:2
        2⤵
          PID:608
        • 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=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:8
          2⤵
            PID:488
          • 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=1632 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:8
            2⤵
              PID:1540
            • 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=2308 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:1
              2⤵
                PID:2120
              • 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=2320 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:1
                2⤵
                  PID:1728
                • 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=1396 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:2
                  2⤵
                    PID:1524
                  • 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=1596 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:1
                    2⤵
                      PID:1552
                    • 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=3408 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:8
                      2⤵
                        PID:2720
                      • 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=3448 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:8
                        2⤵
                          PID:2928
                        • 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=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:8
                          2⤵
                            PID:2564
                          • 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=12 --mojo-platform-channel-handle=3652 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:1
                            2⤵
                              PID:1372
                            • 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=13 --mojo-platform-channel-handle=1152 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:1
                              2⤵
                                PID:1960
                              • 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=2444 --field-trial-handle=1380,i,16187494303558272713,1150386806688699329,131072 /prefetch:8
                                2⤵
                                  PID:1452
                              • 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:2032

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\55fa2974-db27-4938-b3f5-d6a83c0c43b5.tmp

                                  Filesize

                                  6KB

                                  MD5

                                  b4ea501dea7ddbaafe932fb99e0aa454

                                  SHA1

                                  2bcb35825db92270b061c24dd306c36df4e52f59

                                  SHA256

                                  92fa5019983854afff63373557a28b423e904075bd6c154e5ad77d744d1e9bb1

                                  SHA512

                                  677f62a6e9c0fa924fc1f054315cc7be43492c784177f1f70e1b12b107e1db5f9a5aa552b2f7fccc0ca63bb800eb93e63e6b76a91f0f649766e958d2568519a6

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                                  Filesize

                                  16B

                                  MD5

                                  aefd77f47fb84fae5ea194496b44c67a

                                  SHA1

                                  dcfbb6a5b8d05662c4858664f81693bb7f803b82

                                  SHA256

                                  4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                                  SHA512

                                  b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                                • 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\TransportSecurity

                                  Filesize

                                  359B

                                  MD5

                                  8ddc90ea79727f4515dbdc40fd968ae3

                                  SHA1

                                  9912d405b285206d61466ca0c8316574a734055c

                                  SHA256

                                  00364caabf00276f425efdbeee9385ad4e82223aa520f349e58f1d21d3818f60

                                  SHA512

                                  fdf9c6e6063ec6e3cf0335e735307e0d23f8c3925ae421d41eb5f31b09879873495cb6b743b162ac9ab40677a54e94df9f8187559ad7889f967c74ce9e4bd424

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

                                  Filesize

                                  359B

                                  MD5

                                  17a2dd72f116e034a8c6e91383c6884f

                                  SHA1

                                  30717e3465379ad13841e7ba8e401fcb0b740e0a

                                  SHA256

                                  512b8e4af005332132e113202850fbeb9b4f966c20174e77faf1fc5b065a127c

                                  SHA512

                                  2470c9097727219de948802c66b2d63a72137f6aa21dd5f4fe86d0475a83b29aef1c3eb5f0d8798726951dc378a9b6616e5131276621c68b0914cfaf56943d78

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

                                  Filesize

                                  520B

                                  MD5

                                  d360eba813e5c11cb47b5b0b47152fba

                                  SHA1

                                  e2b43bbfbc7e8238fba5c57df123bd798f506973

                                  SHA256

                                  63b2cd21eb48d4994d123e269e3d15d207ee3055847f7826f32cc5f9d5be5ee0

                                  SHA512

                                  08119b30e7f841eeb86f184165e8c6938e0a78330ccbcba83ceadff2f8f288645af48b99a30db05f4aeebe45a9cf96d3a7c9e6dcedb65cb9696f1fa887dffe83

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

                                  Filesize

                                  5KB

                                  MD5

                                  788265d6b0fa5b3f1e00f8cc7ad324cb

                                  SHA1

                                  70d4ebe8e0b94e269a8b443fe0138dba1e30f6f2

                                  SHA256

                                  9fed180d8693702ff73d1b2b362f9ecd2ba2123e480b1796c33d76be87033dcb

                                  SHA512

                                  d1d93f86e21f9511c3ec66bd24c82369df4048b2e3ee928f20adc30fe615815b5cdab0f59c0191bf53a933d3b0a15f5456b75ec553b8c5117358f2e9ddc8d1dc

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

                                  Filesize

                                  6KB

                                  MD5

                                  6280030d8ef38337fe7ef57a055f2020

                                  SHA1

                                  a2cc8f016a4eed12ec2abe78824eac519403b0c1

                                  SHA256

                                  5b62a975e2d4a653ab73f0a686b8025e9e1069e6990845aedba09f12fd01d398

                                  SHA512

                                  8f0162670d236b03fee517514cf7c97c8b9a622366b00e299be0de14649be96ee55601113544cc285a56be560e8f4a964007158bc5c1fa4df3bd5b7ff23f76c4

                                • 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\Temp\Cab14AB.tmp

                                  Filesize

                                  65KB

                                  MD5

                                  ac05d27423a85adc1622c714f2cb6184

                                  SHA1

                                  b0fe2b1abddb97837ea0195be70ab2ff14d43198

                                  SHA256

                                  c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

                                  SHA512

                                  6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

                                • C:\Users\Admin\AppData\Local\Temp\Tar14BE.tmp

                                  Filesize

                                  171KB

                                  MD5

                                  9c0c641c06238516f27941aa1166d427

                                  SHA1

                                  64cd549fb8cf014fcd9312aa7a5b023847b6c977

                                  SHA256

                                  4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

                                  SHA512

                                  936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

                                • C:\Users\Admin\AppData\Local\Temp\_MEI24962\python312.dll

                                  Filesize

                                  2.7MB

                                  MD5

                                  782bd78d59fd913452bcd662bfda095b

                                  SHA1

                                  44a7624ba09a5c94df0f42d473c04a78a9f56ce2

                                  SHA256

                                  953965d93ecc89541abc69a6e4e2c2ee9acd2277afefeb3934d33eed9f99d245

                                  SHA512

                                  7e58935d84548ebbf2eb908771737f31bbca65635c955320925548c5ffd73628cad81df4f46b0ff19914ca44b35f4a4803e3f9b5d8c903f2de700b615a63ac11

                                • \Users\Admin\AppData\Local\Temp\_MEI24962\python312.dll

                                  Filesize

                                  1.8MB

                                  MD5

                                  d3ee88d4fefdfc9a30a53203449ad80b

                                  SHA1

                                  4120761af536d87c07ff3e3043838769624aca33

                                  SHA256

                                  f66ad4861d5051a11c998be517d5ed34f59c303e36e542a88327272b6931cca1

                                  SHA512

                                  6060907ce37e15fb8689e7ee4636a53229c2ef0be1bc89dc1c0661d3407f7be7da5ab4147e10e807c30a87f52da2cfed5a7d3d6edb6e1c1f821e22a9b6dd19a2