Analysis

  • max time kernel
    147s
  • max time network
    140s
  • 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 16:55

General

  • Target

    df33ae147a5f6f328208b7db0a15304b2f5a9b2c9be31dba5abbdbdd839c4171.exe

  • Size

    4.2MB

  • MD5

    f574be87c08b01cfbc8963a092934c39

  • SHA1

    b1613615b6d3bf7fc804b8b7d9de88d6bd6d0e2d

  • SHA256

    df33ae147a5f6f328208b7db0a15304b2f5a9b2c9be31dba5abbdbdd839c4171

  • SHA512

    018a0010b1ab80ad0b89494fc50146a35fc46bfa196602b4c829ffecf54b1d539188f16edeacfd2029e09c301cd7187909ab2445cca5e3ac81801b3038c9a7f9

  • SSDEEP

    98304:4otD52k8suSvvYB9QkFhQ1wl+iuIW9sjOE9hr0bTBB98d:4oSkld4bQkF6Cl+Vh09hrkBBCd

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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • 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.

  • 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.

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

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 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\df33ae147a5f6f328208b7db0a15304b2f5a9b2c9be31dba5abbdbdd839c4171.exe
    "C:\Users\Admin\AppData\Local\Temp\df33ae147a5f6f328208b7db0a15304b2f5a9b2c9be31dba5abbdbdd839c4171.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • 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:1772
    • 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:3520
      • 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,0x100,0xd4,0x104,0x7ffce8c0cc40,0x7ffce8c0cc4c,0x7ffce8c0cc58
        3⤵
          PID:312
        • 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=2076,i,16734099498608062935,8917711927361486119,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2072 /prefetch:2
          3⤵
            PID:4036
          • 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=1952,i,16734099498608062935,8917711927361486119,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2108 /prefetch:3
            3⤵
              PID:448
            • 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=2248,i,16734099498608062935,8917711927361486119,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2376 /prefetch:8
              3⤵
                PID:3640
              • 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,16734099498608062935,8917711927361486119,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3192 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:2620
              • 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,16734099498608062935,8917711927361486119,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3224 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:2016
              • 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=4520,i,16734099498608062935,8917711927361486119,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4500 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:2440
            • 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:2636
            • 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:3972
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 1312
              2⤵
              • Program crash
              PID:1548
          • 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:2672
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1772 -ip 1772
              1⤵
                PID:4288
              • C:\Users\Admin\AppData\Local\Temp\service123.exe
                C:\Users\Admin\AppData\Local\Temp\/service123.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:2172

              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/1772-6-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-2-0x0000000000D51000-0x0000000000FC8000-memory.dmp

                Filesize

                2.5MB

              • memory/1772-4-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-5-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-0-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-8-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-9-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-10-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-11-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-12-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-13-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-14-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-17-0x0000000069CC0000-0x000000006A71B000-memory.dmp

                Filesize

                10.4MB

              • memory/1772-16-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-15-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-26-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-3-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-1-0x0000000077D74000-0x0000000077D76000-memory.dmp

                Filesize

                8KB

              • memory/1772-65-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-67-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/1772-78-0x0000000000D50000-0x00000000018DC000-memory.dmp

                Filesize

                11.5MB

              • memory/2172-83-0x0000000000090000-0x00000000000A2000-memory.dmp

                Filesize

                72KB

              • memory/2636-79-0x0000000000090000-0x00000000000A2000-memory.dmp

                Filesize

                72KB

              • memory/2636-80-0x0000000073EA0000-0x0000000073FD4000-memory.dmp

                Filesize

                1.2MB