Analysis

  • max time kernel
    148s
  • 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
    13-11-2024 00:05

General

  • Target

    824ef75faebd97dd282475248249fd1f82fc29205f3cd22b1c6f6ccc917738f2.exe

  • Size

    4.2MB

  • MD5

    583272ce60e7cc8fc66f1fcf1432d062

  • SHA1

    cba60f72de2a68fabeedffa934211135d9ae2e3a

  • SHA256

    824ef75faebd97dd282475248249fd1f82fc29205f3cd22b1c6f6ccc917738f2

  • SHA512

    6ac31f5eae07ba1d7b058c4b96d1efeeda8c2d65a6b3e6d2f2e49c20c777e14323eb0db652c15bff5b5f173f2d2193d99cf80928603cbc8af939c3d9c6f93989

  • SSDEEP

    98304:BlKVuH3G+6QKpdL1SiqVHDVLGVzAHKku:BlKVuXG+6QKpdLmOa

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\824ef75faebd97dd282475248249fd1f82fc29205f3cd22b1c6f6ccc917738f2.exe
    "C:\Users\Admin\AppData\Local\Temp\824ef75faebd97dd282475248249fd1f82fc29205f3cd22b1c6f6ccc917738f2.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:2296
    • 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:2236
      • 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,0x100,0xd4,0x104,0x7ff8e555cc40,0x7ff8e555cc4c,0x7ff8e555cc58
        3⤵
          PID:3032
        • 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=1932,i,4769995966160980954,17146962055214312302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1924 /prefetch:2
          3⤵
            PID:3572
          • 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=2204,i,4769995966160980954,17146962055214312302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2208 /prefetch:3
            3⤵
              PID:2032
            • 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,4769995966160980954,17146962055214312302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2480 /prefetch:8
              3⤵
                PID:2628
              • 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=3208,i,4769995966160980954,17146962055214312302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3364 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4044
              • 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=3296,i,4769995966160980954,17146962055214312302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3400 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3692
              • 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=4580,i,4769995966160980954,17146962055214312302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4616 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3140
              • 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=4796,i,4769995966160980954,17146962055214312302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4792 /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=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4484,i,4769995966160980954,17146962055214312302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3212 /prefetch:8
                  3⤵
                    PID:2480
              • 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:316

                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/2296-12-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-31-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-4-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-5-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-6-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-7-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-8-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-9-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-10-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-11-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-1-0x0000000077C54000-0x0000000077C56000-memory.dmp

                  Filesize

                  8KB

                • memory/2296-3-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-16-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-15-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-14-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-17-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-18-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-19-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-20-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-21-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-22-0x0000000069CC0000-0x000000006A71B000-memory.dmp

                  Filesize

                  10.4MB

                • memory/2296-13-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB

                • memory/2296-2-0x0000000000D51000-0x0000000000FC8000-memory.dmp

                  Filesize

                  2.5MB

                • memory/2296-0-0x0000000000D50000-0x00000000018FC000-memory.dmp

                  Filesize

                  11.7MB