Analysis
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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
20-11-2024 03:16
Static task
static1
Behavioral task
behavioral1
Sample
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe
Resource
win7-20241010-en
General
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Target
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe
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Size
4.1MB
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MD5
eeafcff9019f6db830551b94ded6ec31
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SHA1
0177b0c665ce005f1a82cea394af45fcc798331e
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SHA256
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e
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SHA512
b37a82d84d1573d908cbbb57422bb4965329204f84452083bfdaa346feeca77db147eae51528d292c7ed477c3c97b0a88d48c23cde522208d200db768f6ecf55
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SSDEEP
98304:lF1QhWOfAPeI5LcmjMpfMs5EGzuKs7MJeSfaLnw:l8hWQA2I5pMpfMs5dzs4oSfaLnw
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.
Processes:
resource yara_rule behavioral2/memory/2348-13-0x0000000069CC0000-0x000000006A71B000-memory.dmp family_cryptbot_v3 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.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.
Processes:
chrome.exechrome.exechrome.exechrome.exepid process 4116 chrome.exe 4784 chrome.exe 5016 chrome.exe 3384 chrome.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe -
Executes dropped EXE 3 IoCs
Processes:
service123.exeservice123.exeservice123.exepid process 1196 service123.exe 432 service123.exe 3916 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.
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe -
Loads dropped DLL 3 IoCs
Processes:
service123.exeservice123.exeservice123.exepid process 1196 service123.exe 432 service123.exe 3916 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
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exepid process 2348 b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2220 2348 WerFault.exe b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe -
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.
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exeservice123.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.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.
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
chrome.exedescription 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.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exechrome.exepid process 2348 b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe 2348 b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe 3384 chrome.exe 3384 chrome.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
Processes:
chrome.exepid process 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
chrome.exedescription pid process Token: SeShutdownPrivilege 3384 chrome.exe Token: SeCreatePagefilePrivilege 3384 chrome.exe Token: SeShutdownPrivilege 3384 chrome.exe Token: SeCreatePagefilePrivilege 3384 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
Processes:
chrome.exepid process 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe 3384 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exechrome.exedescription pid process target process PID 2348 wrote to memory of 3384 2348 b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe chrome.exe PID 2348 wrote to memory of 3384 2348 b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe chrome.exe PID 3384 wrote to memory of 1528 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 1528 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 4924 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2008 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2008 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe PID 3384 wrote to memory of 2476 3384 chrome.exe chrome.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe"C:\Users\Admin\AppData\Local\Temp\b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.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:2348 -
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:3384 -
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,0x100,0xd4,0x104,0x7ffbbca6cc40,0x7ffbbca6cc4c,0x7ffbbca6cc583⤵PID:1528
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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=1944,i,14194007166475255587,17515739748055470950,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1936 /prefetch:23⤵PID:4924
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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=2180,i,14194007166475255587,17515739748055470950,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2192 /prefetch:33⤵PID:2008
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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=2252,i,14194007166475255587,17515739748055470950,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2464 /prefetch:83⤵PID:2476
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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,14194007166475255587,17515739748055470950,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3216 /prefetch:13⤵
- Uses browser remote debugging
PID:4116
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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=3224,i,14194007166475255587,17515739748055470950,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3388 /prefetch:13⤵
- Uses browser remote debugging
PID:4784
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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=4492,i,14194007166475255587,17515739748055470950,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4540 /prefetch:13⤵
- Uses browser remote debugging
PID:5016
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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:1196
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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:3648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 12922⤵
- Program crash
PID:2220
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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:536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2348 -ip 23481⤵PID:4880
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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:432
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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:3916
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
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e