Analysis
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max time kernel
149s -
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
27-11-2024 02:19
Static task
static1
Behavioral task
behavioral1
Sample
39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe
Resource
win7-20240729-en
General
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Target
39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe
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Size
4.2MB
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MD5
656371664d61fbd6c3db3bdf26b502d7
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SHA1
b0d400bdaa8c52aa61ab572d8e3cf77066a11c6f
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SHA256
39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f
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SHA512
c1950690f598c5ea7b8b36bed90c24ce42c47e4b34c0102561b690db54b2fb2772a3cdc3c24da5b5e0b777b8dcc80d835b4e2cb468073a25bfe0bf6ac18f1edf
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SSDEEP
98304:Uib9DJROG8rIMz6D+OWpcU1bf+Ii2l5eyrbSGyJIIT8hRnLGj:Uib9VROP6yfcOf+rKeCSr8hR4
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/5000-13-0x0000000069CC0000-0x000000006A71B000-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__ 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.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 2304 chrome.exe 1276 chrome.exe 2724 chrome.exe 2188 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 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe -
Executes dropped EXE 2 IoCs
pid Process 3484 service123.exe 2708 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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe -
Loads dropped DLL 2 IoCs
pid Process 3484 service123.exe 2708 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 5000 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.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 224 5000 WerFault.exe 84 -
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 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.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 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.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 3972 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5000 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe 5000 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe 2188 chrome.exe 2188 chrome.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2188 chrome.exe Token: SeCreatePagefilePrivilege 2188 chrome.exe Token: SeShutdownPrivilege 2188 chrome.exe Token: SeCreatePagefilePrivilege 2188 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe 2188 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5000 wrote to memory of 2188 5000 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe 102 PID 5000 wrote to memory of 2188 5000 39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe 102 PID 2188 wrote to memory of 5016 2188 chrome.exe 103 PID 2188 wrote to memory of 5016 2188 chrome.exe 103 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 4968 2188 chrome.exe 104 PID 2188 wrote to memory of 3220 2188 chrome.exe 105 PID 2188 wrote to memory of 3220 2188 chrome.exe 105 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106 PID 2188 wrote to memory of 3412 2188 chrome.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.exe"C:\Users\Admin\AppData\Local\Temp\39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f.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:5000 -
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:2188 -
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,0x100,0xd4,0x104,0x7ff9dbfdcc40,0x7ff9dbfdcc4c,0x7ff9dbfdcc583⤵PID:5016
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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,10811909222242324591,4963804490322222346,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1932 /prefetch:23⤵PID:4968
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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=2188,i,10811909222242324591,4963804490322222346,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2196 /prefetch:33⤵PID:3220
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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=2256,i,10811909222242324591,4963804490322222346,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2600 /prefetch:83⤵PID:3412
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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=3204,i,10811909222242324591,4963804490322222346,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3224 /prefetch:13⤵
- Uses browser remote debugging
PID:2304
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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=3228,i,10811909222242324591,4963804490322222346,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3304 /prefetch:13⤵
- Uses browser remote debugging
PID:1276
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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=4544,i,10811909222242324591,4963804490322222346,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4572 /prefetch:13⤵
- Uses browser remote debugging
PID:2724
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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:3484
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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:3972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 13122⤵
- Program crash
PID:224
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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:3268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5000 -ip 50001⤵PID:5068
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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:2708
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