Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 18:52
Static task
static1
Behavioral task
behavioral1
Sample
d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe
Resource
win7-20240903-en
General
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Target
d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe
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Size
4.2MB
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MD5
2ca191450d69dcbee0485f1c14135040
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SHA1
6cf3997d6e3f246bcad8497476fea2dd792199fa
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SHA256
d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d
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SHA512
8a4241a3cd9531db18b75b5bed1a384daf71a45876f85de6821bcecfdb2c6f7efd67facb35313afe496696a5c73e2b36d6aa17b96b39d1c84593a61a61715e2a
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SSDEEP
98304:ymh/kvf6iOF400QlB3ff0w9FfHx1xe1wvVIUL1z:ymh/kH6LFV0Qldf0SfbeMVIUL1
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/3080-9-0x0000000069CC0000-0x000000006A71B000-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__ d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.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 2808 chrome.exe 1372 chrome.exe 3300 chrome.exe 2520 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 d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe -
Executes dropped EXE 3 IoCs
pid Process 4348 service123.exe 5000 service123.exe 4016 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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe -
Loads dropped DLL 3 IoCs
pid Process 4348 service123.exe 5000 service123.exe 4016 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 3080 d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.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 4980 3080 WerFault.exe 81 -
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 d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.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 d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.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 2684 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3080 d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe 3080 d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe 2520 chrome.exe 2520 chrome.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2520 chrome.exe Token: SeCreatePagefilePrivilege 2520 chrome.exe Token: SeShutdownPrivilege 2520 chrome.exe Token: SeCreatePagefilePrivilege 2520 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe 2520 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3080 wrote to memory of 2520 3080 d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe 89 PID 3080 wrote to memory of 2520 3080 d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe 89 PID 2520 wrote to memory of 2668 2520 chrome.exe 90 PID 2520 wrote to memory of 2668 2520 chrome.exe 90 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4128 2520 chrome.exe 91 PID 2520 wrote to memory of 4504 2520 chrome.exe 92 PID 2520 wrote to memory of 4504 2520 chrome.exe 92 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93 PID 2520 wrote to memory of 3660 2520 chrome.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.exe"C:\Users\Admin\AppData\Local\Temp\d91b3f6f4e566fff74506d30a1a61597c03f07b1f826f393bebfee12cbc8d95d.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:3080 -
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:2520 -
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,0x100,0xd4,0x104,0x7ffd2209cc40,0x7ffd2209cc4c,0x7ffd2209cc583⤵PID:2668
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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=1912,i,15221577683923287519,6399623918733415019,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1880 /prefetch:23⤵PID:4128
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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=2164,i,15221577683923287519,6399623918733415019,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2176 /prefetch:33⤵PID:4504
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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=2236,i,15221577683923287519,6399623918733415019,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2452 /prefetch:83⤵PID:3660
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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=3184,i,15221577683923287519,6399623918733415019,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3192 /prefetch:13⤵
- Uses browser remote debugging
PID:2808
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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,15221577683923287519,6399623918733415019,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3224 /prefetch:13⤵
- Uses browser remote debugging
PID:1372
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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=4220,i,15221577683923287519,6399623918733415019,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4528 /prefetch:13⤵
- Uses browser remote debugging
PID:3300
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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:4348
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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:2684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 12482⤵
- Program crash
PID:4980
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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:3676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3080 -ip 30801⤵PID:2760
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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:5000
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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:4016
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