Analysis
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max time kernel
141s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-11-2024 01:27
Static task
static1
Behavioral task
behavioral1
Sample
27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe
Resource
win7-20240903-en
General
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Target
27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe
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Size
4.2MB
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MD5
9bf8ddd37402d4bc65fde73dd731efaf
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SHA1
306546d9db5efa9c4f6f45cea6864470070ef1d2
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SHA256
27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49
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SHA512
155ddba3acfd9295014302a138cf9a8708c763687e99d391d684b978773130c5190e50a427713ca49300e285fabd8c2fdf3c670c0c7fe7f0525c0669a62bf923
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SSDEEP
49152:FSDusCfRltpef5aYhrdGX9Q1kXf1YOmwNBI9tyugm9rMc50c0VsghHZ8zPrtK/C9:Og/gseePf9NB9uTGl3Z0JECHMsVQPrZ
Malware Config
Signatures
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Cryptbot family
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Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/1764-11-0x0000000069CC0000-0x000000006A71B000-memory.dmp family_cryptbot_v3 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe -
Uses browser remote debugging 2 TTPs 4 IoCs
Can be used control the browser and steal sensitive information such as credentials and session cookies.
pid Process 4856 chrome.exe 224 chrome.exe 3492 chrome.exe 808 chrome.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe -
Executes dropped EXE 2 IoCs
pid Process 4164 service123.exe 1512 service123.exe -
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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe -
Loads dropped DLL 2 IoCs
pid Process 4164 service123.exe 1512 service123.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1764 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1836 1764 WerFault.exe 82 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service123.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1760 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1764 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe 1764 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe 4856 chrome.exe 4856 chrome.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 4856 chrome.exe Token: SeCreatePagefilePrivilege 4856 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe 4856 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1764 wrote to memory of 4856 1764 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe 99 PID 1764 wrote to memory of 4856 1764 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe 99 PID 4856 wrote to memory of 3068 4856 chrome.exe 100 PID 4856 wrote to memory of 3068 4856 chrome.exe 100 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3852 4856 chrome.exe 101 PID 4856 wrote to memory of 3464 4856 chrome.exe 102 PID 4856 wrote to memory of 3464 4856 chrome.exe 102 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103 PID 4856 wrote to memory of 1660 4856 chrome.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.exe"C:\Users\Admin\AppData\Local\Temp\27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49.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:1764 -
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:4856 -
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,0x100,0xd4,0x104,0x7ffb5babcc40,0x7ffb5babcc4c,0x7ffb5babcc583⤵PID:3068
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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=1948,i,9495273361361926471,17571880042393676793,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1944 /prefetch:23⤵PID:3852
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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=2096,i,9495273361361926471,17571880042393676793,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2144 /prefetch:33⤵PID:3464
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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=2288,i,9495273361361926471,17571880042393676793,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2596 /prefetch:83⤵PID:1660
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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=3196,i,9495273361361926471,17571880042393676793,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3216 /prefetch:13⤵
- Uses browser remote debugging
PID:224
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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=3236,i,9495273361361926471,17571880042393676793,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3280 /prefetch:13⤵
- Uses browser remote debugging
PID:3492
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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=4500,i,9495273361361926471,17571880042393676793,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4508 /prefetch:13⤵
- Uses browser remote debugging
PID:808
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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:4164
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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 /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 12842⤵
- Program crash
PID:1836
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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:5032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1764 -ip 17641⤵PID:3784
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1512
Network
MITRE ATT&CK Enterprise v15
Persistence
Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af