Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-10-2024 18:13

General

  • Target

    7fb0ec76d52f1b4280cde08b4582e44cf9a4543a1c22922c54064bdc04c0aaad.exe

  • Size

    12.2MB

  • MD5

    e52ee7e2766f531da06ce37ca5782354

  • SHA1

    33502f7f9e91460d1e21aabc79f165f4b4d81303

  • SHA256

    7fb0ec76d52f1b4280cde08b4582e44cf9a4543a1c22922c54064bdc04c0aaad

  • SHA512

    1938aac3339db0ada4ca7dc2690affe3bc63704355e2036e0b5e6c1b4df3f76b31744827c584810e0719aabc521e1df563b82099d4d5e4b71359efe8407a2294

  • SSDEEP

    98304:RmCvsKdBHCa5b2MGm76yqmstR16ZcTLpJMvbqyYQbXC7/u0KMnB:BsKdBHCa5b2MGm765miRciJyYyGu07n

Malware Config

Extracted

Family

cryptbot

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Uses browser remote debugging 2 TTPs 4 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fb0ec76d52f1b4280cde08b4582e44cf9a4543a1c22922c54064bdc04c0aaad.exe
    "C:\Users\Admin\AppData\Local\Temp\7fb0ec76d52f1b4280cde08b4582e44cf9a4543a1c22922c54064bdc04c0aaad.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9222 --profile-directory="Default"
      2⤵
      • Uses browser remote debugging
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1416
      • 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:4 --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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffb071fcc40,0x7ffb071fcc4c,0x7ffb071fcc58
        3⤵
          PID:1708
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1848,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1840 /prefetch:2
          3⤵
            PID:4696
          • 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 --no-appcompat-clear --field-trial-handle=2116,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2204 /prefetch:3
            3⤵
              PID:4868
            • 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=service --no-appcompat-clear --field-trial-handle=2228,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2420 /prefetch:8
              3⤵
                PID:1124
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3180,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3192 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:228
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3200,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3240 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3352
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4204,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4516 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3560
              • 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 --no-appcompat-clear --field-trial-handle=4732,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4544 /prefetch:8
                3⤵
                  PID:3648
                • 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 --no-appcompat-clear --field-trial-handle=4528,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4700 /prefetch:8
                  3⤵
                    PID:3696
                  • 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 --no-appcompat-clear --field-trial-handle=4672,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4492 /prefetch:8
                    3⤵
                      PID:1040
                    • 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 --no-appcompat-clear --field-trial-handle=4540,i,18207704556112281619,16300599152850804602,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4524 /prefetch:8
                      3⤵
                        PID:2664
                    • C:\Users\Admin\AppData\Local\Temp\service123.exe
                      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
                      2⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • System Location Discovery: System Language Discovery
                      PID:936
                    • C:\Windows\SysWOW64\schtasks.exe
                      "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
                      2⤵
                      • System Location Discovery: System Language Discovery
                      • Scheduled Task/Job: Scheduled Task
                      PID:824
                  • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                    1⤵
                      PID:1176
                    • C:\Users\Admin\AppData\Local\Temp\service123.exe
                      C:\Users\Admin\AppData\Local\Temp\/service123.exe
                      1⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:3500
                    • C:\Users\Admin\AppData\Local\Temp\service123.exe
                      C:\Users\Admin\AppData\Local\Temp\/service123.exe
                      1⤵
                      • Executes dropped EXE
                      PID:1072

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                      Filesize

                      2B

                      MD5

                      d751713988987e9331980363e24189ce

                      SHA1

                      97d170e1550eee4afc0af065b78cda302a97674c

                      SHA256

                      4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                      SHA512

                      b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                    • memory/936-59-0x0000000075760000-0x0000000075894000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/936-58-0x0000000000130000-0x0000000000142000-memory.dmp

                      Filesize

                      72KB

                    • memory/1072-81-0x0000000000130000-0x0000000000142000-memory.dmp

                      Filesize

                      72KB

                    • memory/2944-0-0x0000000000910000-0x000000000154E000-memory.dmp

                      Filesize

                      12.2MB

                    • memory/2944-36-0x0000000000910000-0x000000000154E000-memory.dmp

                      Filesize

                      12.2MB

                    • memory/2944-43-0x0000000000910000-0x000000000154E000-memory.dmp

                      Filesize

                      12.2MB

                    • memory/2944-44-0x0000000000910000-0x000000000154E000-memory.dmp

                      Filesize

                      12.2MB

                    • memory/2944-56-0x0000000000910000-0x000000000154E000-memory.dmp

                      Filesize

                      12.2MB

                    • memory/3500-66-0x0000000000130000-0x0000000000142000-memory.dmp

                      Filesize

                      72KB