Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 09:39

General

  • Target

    32fc2fb2f7606905f982f3ff40f562ed0aa056376724261b88be8b9aa041f641.exe

  • Size

    4.2MB

  • MD5

    7c551c2712b1721d8007297d97370984

  • SHA1

    9eca6e9eab2c2938ff8bfeb0831fd36755bb4460

  • SHA256

    32fc2fb2f7606905f982f3ff40f562ed0aa056376724261b88be8b9aa041f641

  • SHA512

    b90da2abe442a0749b725f1ace3b582b8579750328f6416c04065d50868d69708efd8129ff43c2fe8f5274e049a8943fefa14ab6c89dd8d638b82c06bd698b37

  • SSDEEP

    98304:bu2Xhl+vTg1IOimQqeSqqWx4Q2Xoa37B3zvIxSud7a+NAQL1:bdX3+vM2EzxUN2XoaN3zvIEudW+NXp

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 3 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 3 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\32fc2fb2f7606905f982f3ff40f562ed0aa056376724261b88be8b9aa041f641.exe
    "C:\Users\Admin\AppData\Local\Temp\32fc2fb2f7606905f982f3ff40f562ed0aa056376724261b88be8b9aa041f641.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:448
    • 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:4960
      • 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,0x100,0xd4,0x104,0x7ffb254ecc40,0x7ffb254ecc4c,0x7ffb254ecc58
        3⤵
          PID:2708
        • 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=1944,i,5604697781664061497,17839169495076656944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1940 /prefetch:2
          3⤵
            PID:4252
          • 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=1980,i,5604697781664061497,17839169495076656944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2148 /prefetch:3
            3⤵
              PID:2336
            • 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=2272,i,5604697781664061497,17839169495076656944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2572 /prefetch:8
              3⤵
                PID:3896
              • 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=3188,i,5604697781664061497,17839169495076656944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3200 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:2776
              • 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=3224,i,5604697781664061497,17839169495076656944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3248 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:2240
              • 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=4492,i,5604697781664061497,17839169495076656944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4600 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3324
              • 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=4156,i,5604697781664061497,17839169495076656944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3668 /prefetch:8
                3⤵
                  PID:2864
                • 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=3840,i,5604697781664061497,17839169495076656944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4800 /prefetch:8
                  3⤵
                    PID:1604
                • 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:4392
                • 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:4200
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 1296
                  2⤵
                  • Program crash
                  PID:3220
              • 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:4200
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 448 -ip 448
                  1⤵
                    PID:2452
                  • C:\Users\Admin\AppData\Local\Temp\service123.exe
                    C:\Users\Admin\AppData\Local\Temp\/service123.exe
                    1⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:5052
                  • C:\Users\Admin\AppData\Local\Temp\service123.exe
                    C:\Users\Admin\AppData\Local\Temp\/service123.exe
                    1⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:4668

                  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/448-18-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-19-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-4-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-5-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-6-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-7-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-8-0x0000000069CC0000-0x000000006A71B000-memory.dmp

                    Filesize

                    10.4MB

                  • memory/448-17-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-0-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-3-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-2-0x0000000000421000-0x0000000000698000-memory.dmp

                    Filesize

                    2.5MB

                  • memory/448-1-0x0000000077E14000-0x0000000077E16000-memory.dmp

                    Filesize

                    8KB

                  • memory/448-69-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-71-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/448-83-0x0000000000420000-0x0000000000FB3000-memory.dmp

                    Filesize

                    11.6MB

                  • memory/4392-84-0x00000000004D0000-0x00000000004E2000-memory.dmp

                    Filesize

                    72KB

                  • memory/4392-85-0x0000000075800000-0x0000000075934000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/4668-109-0x00000000004D0000-0x00000000004E2000-memory.dmp

                    Filesize

                    72KB

                  • memory/5052-94-0x00000000004D0000-0x00000000004E2000-memory.dmp

                    Filesize

                    72KB