Analysis
- max time kernel
141s - max time network
151s - 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, 18:42
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
General
- Target file.exe
- Size 4.2MB
- Sample241119-xcbbpavmam
- SHA256 e14efbaf799412719eebbbad024b9fe3fae5aa665e7b885cbc05466ee04f4c07
- MD5 1b352e12943c9b113607e78cdf7f1e88
- SHA1 2978dd75e9ad8aa608d41f430e2391ac94661cfe
- SHA512 5265e205a86ac37348a7b09fef6b92355da07e9aa01ebd973f482eac0546b82350ae86cba6f629dec1b454b26c72df6256d1cf69fb1b0ab01930f734b575aa98
- SSDEEP 98304:I+GM6QbqnEFJoA3ozvuYx42ZaSshADK5+vvygxDzYpmte1:vGMTbqnEDoTCYx42YSshADCsDz0mt
- 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/2200-9-0x0000000069CC0000-0x000000006A71B000-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__ file.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 3200 chrome.exe 3484 chrome.exe 4828 chrome.exe 3016 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 file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion file.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 file.exe - Executes dropped EXE 2 IoCs
pid Process 1676 service123.exe 4460 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 file.exe - Loads dropped DLL 2 IoCs
pid Process 1676 service123.exe 4460 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 2200 file.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 4308 2200 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 file.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString file.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 file.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 3224 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2200 file.exe 2200 file.exe 4828 chrome.exe 4828 chrome.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 4828 chrome.exe Token: SeCreatePagefilePrivilege 4828 chrome.exe Token: SeShutdownPrivilege 4828 chrome.exe Token: SeCreatePagefilePrivilege 4828 chrome.exe - Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe 4828 chrome.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2200 wrote to memory of 4828 2200 file.exe 102 PID 2200 wrote to memory of 4828 2200 file.exe 102 PID 4828 wrote to memory of 4492 4828 chrome.exe 103 PID 4828 wrote to memory of 4492 4828 chrome.exe 103 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 1864 4828 chrome.exe 104 PID 4828 wrote to memory of 5072 4828 chrome.exe 105 PID 4828 wrote to memory of 5072 4828 chrome.exe 105 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106 PID 4828 wrote to memory of 1792 4828 chrome.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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:2200 -
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:4828 -
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,0x100,0xd4,0x104,0x7ff90848cc40,0x7ff90848cc4c,0x7ff90848cc583⤵PID:4492
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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=1740,i,11297216922509910214,997673897486446490,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1744 /prefetch:23⤵PID:1864
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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=2152,i,11297216922509910214,997673897486446490,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2172 /prefetch:33⤵PID:5072
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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=2200,i,11297216922509910214,997673897486446490,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2252 /prefetch:83⤵PID:1792
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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,11297216922509910214,997673897486446490,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3192 /prefetch:13⤵
- Uses browser remote debugging
PID:3016
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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=3212,i,11297216922509910214,997673897486446490,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3328 /prefetch:13⤵
- Uses browser remote debugging
PID:3200
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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=4508,i,11297216922509910214,997673897486446490,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4456 /prefetch:13⤵
- Uses browser remote debugging
PID:3484
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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:1676
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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:3224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 12842⤵
- Program crash
PID:4308
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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:3520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2200 -ip 22001⤵PID:4084
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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:4460
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