Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2023, 17:22

General

  • Target
    2644502236f017d4c97825b0d24fc434.exe
  • Size 1.4MB
  • Sample230330-vxkprade74
  • SHA256 aede6ea2d498e8a16c17483e53eba59866f01cb1d468ee96067042d037a6010a
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Program Files directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2644502236f017d4c97825b0d24fc434.exe
    "C:\Users\Admin\AppData\Local\Temp\2644502236f017d4c97825b0d24fc434.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4852
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3056
      • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffcd7719758,0x7ffcd7719768,0x7ffcd7719778
        3⤵
          PID:3496
        • 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=1780 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:2
          3⤵
            PID:4200
          • 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=2148 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:8
            3⤵
              PID:4864
            • 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=2144 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:8
              3⤵
                PID:4500
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3204 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:1
                3⤵
                  PID:2156
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3344 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:1
                  3⤵
                    PID:1012
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3920 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:1
                    3⤵
                      PID:3540
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4896 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:1
                      3⤵
                        PID:4452
                      • 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=5236 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:8
                        3⤵
                          PID:4076
                        • 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=4856 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:8
                          3⤵
                            PID:2328
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5652 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:8
                            3⤵
                              PID:4268
                            • 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=5684 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:8
                              3⤵
                                PID:3968
                              • 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=5352 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:8
                                3⤵
                                  PID:3500
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3016 --field-trial-handle=1872,i,2632775620525488031,15750068611151906830,131072 /prefetch:2
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1672
                            • 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:1456

                              Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    background.html

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\background.html
                                    • Size 786B
                                    • SHA256 a1064146f622fe68b94cd65a0e8f273b583449fbacfd6fd75fec1eaaf2ec8d6e
                                    • MD5 SHA1 SHA512

                                    icon.png

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\icon.png
                                    • Size 6KB
                                    • SHA256 40cfea52dbc50a8a5c250c63d825dcaad3f76e9588f474b3e035b587c912f4ca
                                    • MD5 SHA1 SHA512 SSDEEP

                                    aes.js

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\js\aes.js
                                    • Size 13KB
                                    • SHA256 fc7e184beeda61bf6427938a84560f52348976bb55e807b224eb53930e97ef6a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    background.js

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\js\background.js
                                    • Size 20KB
                                    • SHA256 29a899a9db4d7681f149843e4503287e5097a12f99e076498c92efa6a684747d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    content.js

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\js\content.js
                                    • Size 3KB
                                    • SHA256 03601415885fd5d8967c407f7320d53f4c9ca2ec33bbe767d73a1589c5e36c54
                                    • MD5 SHA1 SHA512

                                    jquery-3.3.1.min.js

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\js\jquery-3.3.1.min.js
                                    • Size 84KB
                                    • SHA256 160a426ff2894252cd7cebbdd6d6b7da8fcd319c65b70468f10b6690c45d02ef
                                    • MD5 SHA1 SHA512 SSDEEP

                                    mode-ecb.js

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\js\mode-ecb.js
                                    • Size 604B
                                    • SHA256 03164b1ac43853fecdbf988ce900016fb174cf65b03e41c0a9a7bf3a95e8c26a
                                    • MD5 SHA1 SHA512

                                    pad-nopadding.js

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\js\pad-nopadding.js
                                    • Size 268B
                                    • SHA256 282308ebc3702c44129438f8299839ca4d392a0a09fdf0737f08ef1e4aff937d
                                    • MD5 SHA1 SHA512

                                    manifest.json

                                    • Path C:\Program Files\nndannfdnoaiphfcbbpgkhodebpoiocf\manifest.json
                                    • Size 1KB
                                    • SHA256 04392a223cc358bc79fcd306504e8e834d6febbff0f3496f2eb8451797d28aa1
                                    • MD5 SHA1 SHA512

                                    Network Persistent State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                    • Size 1KB
                                    • SHA256 a41d9281547e0aa7b2396e082a332e2d36fba378537600da134b1a7be89e0e27
                                    • MD5 SHA1 SHA512

                                    TransportSecurity

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                    • Size 539B
                                    • SHA256 691fa80a3032357a7a9f48adec8b0f605d46f89fffa4f4d02db69423cc3cc314
                                    • MD5 SHA1 SHA512

                                    TransportSecurity

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                    • Size 868B
                                    • SHA256 c1cb2762c496401ed68b3386bbc083abbf03f8361131c9b6157fb7cb55b9dcef
                                    • MD5 SHA1 SHA512

                                    TransportSecurity

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                    • Size 874B
                                    • SHA256 0f42c47a30ce0e801e701bca8be5544cd8391abb328975780f96a1d6b215432f
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 6KB
                                    • SHA256 3399605a63d5521319cb17f80aa0b128807399ce6b0b894438ef253e7ee4540a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 6KB
                                    • SHA256 3a062f957fc7016973cd5f98179b8abfb1895fc65585fd917945a4f6d78f7a95
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 16KB
                                    • SHA256 10e1df46fbc34b42ec83784b6f1acad7a1acaa8c4701b92190b6b8f31de98e51
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 16KB
                                    • SHA256 285d25f19bb86bbc16489ff38eadd72d72a4fb077465925267490358c2a3bbf1
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 145KB
                                    • SHA256 ed67183d1189d49706ae1c6345b61a66fbf0d686407ca696f38f31d5b76c32ed
                                    • MD5 SHA1 SHA512 SSDEEP

                                    persisted_first_party_sets.json

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
                                    • Size 2B
                                    • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                    • MD5 SHA1 SHA512