Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 10:56

General

  • Target

    e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe

  • Size

    4.2MB

  • MD5

    ba8a76d8f6d92b38766df5cea014b76a

  • SHA1

    9da75fe4e75b7e2b3707e655f6e08f9f884267e5

  • SHA256

    e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b

  • SHA512

    61c739e26f0f9ae87ac670643249aebc15f0ac8bb3e9f9fde7fceca52dba147db1760aa381e2a70fd16f39479ca4c3d1b3065e7ae949cddbbe7667ca742a8be1

  • SSDEEP

    98304:uJfoz9MYZSWpViPAChkEwLICpLdyukr1BlqnuvXi/6plU:8foTN7iPsRTWr1BlqcXt

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe
    "C:\Users\Admin\AppData\Local\Temp\e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.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:1796
    • 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:4712
      • 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=0x10c,0x110,0x114,0xe0,0x118,0x7ffa50b6cc40,0x7ffa50b6cc4c,0x7ffa50b6cc58
        3⤵
          PID:4000
        • 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=2024,i,5621849947166737855,1741558156359687200,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2020 /prefetch:2
          3⤵
            PID:2540
          • 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=1936,i,5621849947166737855,1741558156359687200,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2168 /prefetch:3
            3⤵
              PID:996
            • 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=2268,i,5621849947166737855,1741558156359687200,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2284 /prefetch:8
              3⤵
                PID:4156
              • 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=3212,i,5621849947166737855,1741558156359687200,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3232 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4100
              • 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=3240,i,5621849947166737855,1741558156359687200,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3272 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4372
              • 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=4552,i,5621849947166737855,1741558156359687200,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4600 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3012
          • 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:4032

            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

            • \??\pipe\crashpad_4712_RVYSCKRSRFCCLKHB

              MD5

              d41d8cd98f00b204e9800998ecf8427e

              SHA1

              da39a3ee5e6b4b0d3255bfef95601890afd80709

              SHA256

              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

              SHA512

              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

            • memory/1796-12-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-4-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-13-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-5-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-6-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-7-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-8-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-9-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-14-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-11-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-67-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-3-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-10-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-15-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-16-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-17-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-18-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-19-0x0000000069CC0000-0x000000006A71B000-memory.dmp

              Filesize

              10.4MB

            • memory/1796-28-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB

            • memory/1796-2-0x0000000000171000-0x00000000003E8000-memory.dmp

              Filesize

              2.5MB

            • memory/1796-1-0x0000000077834000-0x0000000077836000-memory.dmp

              Filesize

              8KB

            • memory/1796-0-0x0000000000170000-0x0000000000D0F000-memory.dmp

              Filesize

              11.6MB