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Analysis

  • max time kernel
    69s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 17:15

General

  • Target

    cstealer-main/cstealer.py

  • Size

    54KB

  • MD5

    ec3b69b6805856632c297d0969c9a87c

  • SHA1

    d111dfcf43ad9686f950685e62d9da934716f7cb

  • SHA256

    d597d764b7bfb2e7e10a087e7671c0a7edb5732a16e7efff277d1a5d7b2cc00d

  • SHA512

    b4e159b19b77b4f36006f52e95409c185214ca26fcd195408f5a88bffef95e9e0dc82b626f70d7c38727b5b0c9cc7de1a9f922a3e0f21fae4dcc473d85ed8806

  • SSDEEP

    1536:dTjwFKWGs8SMApj48b9tTLC0DJ9JN18KTI6+8:dRswKj48b9lLnJ9N8KTJ

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\cstealer-main\cstealer.py
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cstealer-main\cstealer.py
      2⤵
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2832
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2684
    • 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:3008
      • 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,0x7fef6219758,0x7fef6219768,0x7fef6219778
        2⤵
          PID:2820
        • 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=1180 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:2
          2⤵
            PID:1964
          • 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=1480 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:8
            2⤵
              PID:440
            • 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=1600 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:8
              2⤵
                PID:2860
              • 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=2260 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:1
                2⤵
                  PID:2352
                • 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=2268 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:1
                  2⤵
                    PID:2332
                  • 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=1560 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:2
                    2⤵
                      PID:3024
                    • 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=1304 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:1
                      2⤵
                        PID:604
                      • 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=3616 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:8
                        2⤵
                          PID:1028
                        • 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=10 --mojo-platform-channel-handle=3740 --field-trial-handle=1376,i,11057796516950220128,17428072219342128163,131072 /prefetch:1
                          2⤵
                            PID:2748
                        • 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:2496

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\557f33df-9b0d-4e62-930a-d47d462b5ba0.tmp

                            Filesize

                            310KB

                            MD5

                            406795ff407a755c2750c09d66e0ce06

                            SHA1

                            0ef2550e6ab0956269dccf273437b337fbc6c833

                            SHA256

                            b98f60dc67aca9edab854717afcb746455467e36531f56035fffa06545e90cb0

                            SHA512

                            de26fbe381fa841015e05df9fe2c0712f7b1f6cd59de504c441e4fade12bdbf0b0e0569d954c69267701e11e83749e81140703d3e9e1a8a1cfaa39a16748957c

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                            Filesize

                            209KB

                            MD5

                            3e552d017d45f8fd93b94cfc86f842f2

                            SHA1

                            dbeebe83854328e2575ff67259e3fb6704b17a47

                            SHA256

                            27d9c4613df7a3c04da0b79c13217aa69992b441acb7e44bf2a7578ca87d97d6

                            SHA512

                            e616436f2f15615429c7c5c37de3990c3e86c5e1da7d75a0f524fc458b75d44a5be1a3648a628d63e1cf8aa062e08b538f2f2bc9c6a0b42157beb24f82c571d9

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

                            Filesize

                            168B

                            MD5

                            4b68ee891bc88d12d4df85c3e395bb31

                            SHA1

                            838a4e8736f1fc3d68669676f2fb7791f687ed96

                            SHA256

                            adaa93cf8e7c392ded3689f57c3ad0c4463d87947c1b57333dbc55075fa932af

                            SHA512

                            c5e24033532be28bb0e5f3c8452a33e73975e1ea3de605d8f1658e29d80e2ff5dbcab4a63c31c35ae503e58245f985907725ab9c5c557639fe916b9e9bd6e776

                          • 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\Preferences

                            Filesize

                            5KB

                            MD5

                            a399da31ec84472a21a221ca326abded

                            SHA1

                            cc8739c4b2b00dd1639d30bbbe9e05dae5202a98

                            SHA256

                            4a4ab99df37e0119b356957ca734d356ec3d6982ee243b40f475f336a47d36b1

                            SHA512

                            202b3a08a1be499a4b5d85db5d51a30bbbb1ae4d10ec3dbed98d0753208e5393850e48e4c127ddc234729ebd2e2f11cabd17504e5ce29791cf8bb727e0be4a28

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

                            Filesize

                            5KB

                            MD5

                            3b0972cf52733fdd32793d3baa70444a

                            SHA1

                            cacb8a7a446bbbb2047e9ecd566c632c7a8224b6

                            SHA256

                            a04709a81156faa2f92b7775cc0925d1bd42942213a22f60c1ccc0b9ed09103b

                            SHA512

                            71e4d20dca43851bd987add9eb7b0b5c6bccce072e5cada4a10a35eaa5d62d89a7d1fd9aa5f58390d71a24b7360eb0f2466ee9902977ed5bc0325cbe03066580

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

                            Filesize

                            5KB

                            MD5

                            8a624791cb158184c6ca6cb340b270a6

                            SHA1

                            8590d46015d90a3796e3e8739efba869b77502ec

                            SHA256

                            ac764f0f5f6e7bd8b6382a79d8c34f4573d3bf979b70f5c8868e44085e6a71db

                            SHA512

                            2b2ef859fcbce983e6d6c92607ee2e1a132c00e026143db1527ded93bb71dc5d979844ff4e1bf4579dc074e6f8ba34fde7e09b1b72c3b09cf24b8c8af764ce12

                          • 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

                            310KB

                            MD5

                            3c1904b4555bb50501743ef7f53ed64f

                            SHA1

                            3fa03e5a78124672b692299f52e7b347b57accb4

                            SHA256

                            8458471801bbb2fdf1ba3e2ef359048dd70e90d826dd4bbee10e7a19515c3cbc

                            SHA512

                            74e087b48e6392cb5942b36c23794a415e5e11e9eba8d1ff913936fa5084b211c7bbfd853d19f28b4d96ff88cbb6fb950977bf35eb0c60a7bd16b424c58e21ba