Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 03:15

General

  • Target

    file.exe

  • Size

    4.2MB

  • MD5

    0bd6fb5f0ba4460ad6f658894adb9874

  • SHA1

    5eec17725b6bf038c21b15b9c5e3c81f09b25ead

  • SHA256

    19de4e31f35bc0e2876217eb616667a91ec02f94207740e66a556e3eae2e4ae3

  • SHA512

    c014c8083f66efe22b4cf5e868709bc1b8b063d438c53c0843fbcfe67bcccdd5bc26ede47276ad41eb65dbcc0a02550032da4ed73a5145896674dd885c83b176

  • SSDEEP

    98304:q4XApBHouES1YKWjQyRxbpWDOMAtxG2w14K0JmeprbE:xeHoZ1RRP8axG2wGnxu

Malware Config

Signatures

  • CryptBot

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

  • Cryptbot family
  • Detects CryptBot payload 1 IoCs

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • 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 BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 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
  • Suspicious behavior: EnumeratesProcesses 4 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2752
    • 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:1780
      • 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,0x100,0xd4,0x104,0x7ff85e6fcc40,0x7ff85e6fcc4c,0x7ff85e6fcc58
        3⤵
          PID:672
        • 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=1908,i,9700990704657060470,15912101604024531580,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1900 /prefetch:2
          3⤵
            PID:1708
          • 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=2132,i,9700990704657060470,15912101604024531580,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2164 /prefetch:3
            3⤵
              PID:2064
            • 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=2220,i,9700990704657060470,15912101604024531580,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2448 /prefetch:8
              3⤵
                PID:1832
              • 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=3172,i,9700990704657060470,15912101604024531580,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3208 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:1460
              • 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=3180,i,9700990704657060470,15912101604024531580,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3244 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3616
              • 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=4304,i,9700990704657060470,15912101604024531580,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4496 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4800
          • 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:3984

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            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/2752-12-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-4-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-13-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-5-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-6-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-7-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-8-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-9-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-14-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-11-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-58-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-3-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-10-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-15-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-16-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-17-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-18-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-19-0x0000000069CC0000-0x000000006A71B000-memory.dmp

              Filesize

              10.4MB

            • memory/2752-28-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB

            • memory/2752-2-0x0000000000611000-0x0000000000888000-memory.dmp

              Filesize

              2.5MB

            • memory/2752-1-0x00000000773D4000-0x00000000773D6000-memory.dmp

              Filesize

              8KB

            • memory/2752-0-0x0000000000610000-0x00000000011BD000-memory.dmp

              Filesize

              11.7MB