Analysis
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max time kernel
142s -
max time network
138s -
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 08:19
Static task
static1
Behavioral task
behavioral1
Sample
b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe
Resource
win7-20241010-en
General
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Target
b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe
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Size
4.1MB
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MD5
c58f5d34befa71283f1bde52b96b3c2d
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SHA1
280377ad5c23425b842a63d10d739b32a7bae57e
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SHA256
b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00
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SHA512
3f245d3e253aac48bc6aa77ffdcadbedbe420353383ecab0d7c87c07d800ddd0fe1ccaf7aea9ab5bc8399053e5ad10f4ba6bdcc3a51d0acb1bef120813784153
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SSDEEP
98304:B9Njdz3gVVo8KPTFqhcDthVheU4CJl1zR1zzRqJ2trCyTA:HLrl71nfeU4CrZzVqgt1TA
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/3384-8-0x0000000069CC0000-0x000000006A71B000-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__ b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.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 4880 chrome.exe 848 chrome.exe 4964 chrome.exe 752 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 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe -
Executes dropped EXE 3 IoCs
pid Process 1640 service123.exe 4012 service123.exe 3168 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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe -
Loads dropped DLL 3 IoCs
pid Process 1640 service123.exe 4012 service123.exe 3168 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 3384 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.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 4968 3384 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 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.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 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.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 980 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3384 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe 3384 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe 4880 chrome.exe 4880 chrome.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 4880 chrome.exe Token: SeCreatePagefilePrivilege 4880 chrome.exe Token: SeShutdownPrivilege 4880 chrome.exe Token: SeCreatePagefilePrivilege 4880 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe 4880 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3384 wrote to memory of 4880 3384 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe 96 PID 3384 wrote to memory of 4880 3384 b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe 96 PID 4880 wrote to memory of 4952 4880 chrome.exe 97 PID 4880 wrote to memory of 4952 4880 chrome.exe 97 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 4928 4880 chrome.exe 98 PID 4880 wrote to memory of 1144 4880 chrome.exe 99 PID 4880 wrote to memory of 1144 4880 chrome.exe 99 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100 PID 4880 wrote to memory of 2416 4880 chrome.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe"C:\Users\Admin\AppData\Local\Temp\b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.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:3384 -
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:4880 -
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,0x100,0xd4,0x104,0x7ffe02f1cc40,0x7ffe02f1cc4c,0x7ffe02f1cc583⤵PID:4952
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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=1808,i,17799650063471211209,11971619505915702553,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1804 /prefetch:23⤵PID:4928
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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=2080,i,17799650063471211209,11971619505915702553,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2092 /prefetch:33⤵PID:1144
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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=2268,i,17799650063471211209,11971619505915702553,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2280 /prefetch:83⤵PID:2416
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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=3164,i,17799650063471211209,11971619505915702553,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3184 /prefetch:13⤵
- Uses browser remote debugging
PID:848
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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=3192,i,17799650063471211209,11971619505915702553,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3220 /prefetch:13⤵
- Uses browser remote debugging
PID:4964
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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=3628,i,17799650063471211209,11971619505915702553,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4504 /prefetch:13⤵
- Uses browser remote debugging
PID:752
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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:1640
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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:980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 12882⤵
- Program crash
PID:4968
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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:1748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3384 -ip 33841⤵PID:1228
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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:4012
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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:3168
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