Analysis
- max time kernel
144s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
19/11/2024, 04:26
Static task
static1
Behavioral task
behavioral1
Sample
4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe
Resource
win7-20240903-en
General
- Target 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe
- Size 4.2MB
- Sample241119-e2mf5svpgl
- SHA256 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea
- MD5 ecbc8e5795841534da310554cf558564
- SHA1 4f5c4a459c679a613083fb8ebeaf6b72a62099c4
- SHA512 4f74e57b352d9e64ea7abacf59a44159640a5607dd405ecf70dfe1fc71701d70d696d08e2c58846528b6e2e7931b4edb6b12467fd22c54c38b7fb060ffe2685c
- SSDEEP 98304:wVRgxKrnMBOy3mQk4e6kwOmruSo1uEGpPUJsx6:wkMTM8sk4zkP1SoM1a6x6
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Cryptbot family
- Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/3420-18-0x0000000069CC0000-0x000000006A71B000-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__ 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.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 4892 chrome.exe 1908 chrome.exe 4228 chrome.exe 1684 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 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.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 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe - Executes dropped EXE 1 IoCs
pid Process 4564 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 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe - Loads dropped DLL 1 IoCs
pid Process 4564 service123.exe - 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
pid Process 3420 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 2296 3420 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service123.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 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.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 4336 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3420 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe 3420 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe 4892 chrome.exe 4892 chrome.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 4892 chrome.exe Token: SeCreatePagefilePrivilege 4892 chrome.exe Token: SeShutdownPrivilege 4892 chrome.exe Token: SeCreatePagefilePrivilege 4892 chrome.exe - Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe 4892 chrome.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3420 wrote to memory of 4892 3420 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe 101 PID 3420 wrote to memory of 4892 3420 4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe 101 PID 4892 wrote to memory of 4968 4892 chrome.exe 102 PID 4892 wrote to memory of 4968 4892 chrome.exe 102 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 2776 4892 chrome.exe 103 PID 4892 wrote to memory of 4604 4892 chrome.exe 104 PID 4892 wrote to memory of 4604 4892 chrome.exe 104 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105 PID 4892 wrote to memory of 3872 4892 chrome.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.exe"C:\Users\Admin\AppData\Local\Temp\4ba3a14b8848a345ee40fe5e6c9a08a3bf7ecfaff176350082871a35a90973ea.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:3420 -
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:4892 -
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,0x100,0xd4,0x104,0x7ffe490dcc40,0x7ffe490dcc4c,0x7ffe490dcc583⤵PID:4968
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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=1936,i,11684408819088820697,7421216040525579573,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1932 /prefetch:23⤵PID:2776
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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=2184,i,11684408819088820697,7421216040525579573,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2208 /prefetch:33⤵PID:4604
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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=2272,i,11684408819088820697,7421216040525579573,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1876 /prefetch:83⤵PID:3872
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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=3176,i,11684408819088820697,7421216040525579573,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3196 /prefetch:13⤵
- Uses browser remote debugging
PID:4228
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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=3204,i,11684408819088820697,7421216040525579573,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3236 /prefetch:13⤵
- Uses browser remote debugging
PID:1908
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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=4404,i,11684408819088820697,7421216040525579573,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4508 /prefetch:13⤵
- Uses browser remote debugging
PID:1684
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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:4564
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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:4336
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 12682⤵
- Program crash
PID:2296
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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:1976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3420 -ip 34201⤵PID:2896
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
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
- Size 2B
- SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
- MD5 d751713988987e9331980363e24189ce
- SHA1 97d170e1550eee4afc0af065b78cda302a97674c
- SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
- Size 354B
- SHA256 4a255dc9852ebe4ca107cf95ec4ac09bbc9ae75659e37e4afce40d1a9822bb39
- MD5 f0db3a1781eb85c424a580ed57f7fe87
- SHA1 e0ad62af0279e992f49d0c53bb77519841c4f8d1
- SHA512 e43fff757e2c5648da1107917da5f5bdfdf404b24c9b4dd6a91dc070a5a2e082809095378a0a8235c0b408cda36745a68ae4d16de8e55bbecc16966e60c7da17
- MD5 SHA1 SHA512