Analysis
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max time kernel
144s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2024 02:00
Static task
static1
Behavioral task
behavioral1
Sample
8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe
Resource
win7-20240903-en
General
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Target
8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe
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Size
6.3MB
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MD5
bfe2f72aaf59ad12fe5479d4936d9d52
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SHA1
1eb38144e825af65babd0f1e5651f74123413c93
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SHA256
8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a
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SHA512
e1e070feec3cc1ef4506976d6c839564f9a2487fbdfeb77c29027c3c0634f8990f3e48aba0560030e8f823ee48ca2055f16256d1d87e68b565dd8bbfcc4bdba7
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SSDEEP
49152:YxnRxBWUDgOXOVviT4teSK+T/8zkSJUosljJs0Rr4IwEZJumWu/Po8MIBZO+LnX9:C7k0uKT4teSxb8zxGH1JsY
Malware Config
Signatures
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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/3808-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp family_cryptbot_v3 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe -
Executes dropped EXE 3 IoCs
Processes:
service123.exeservice123.exeservice123.exepid Process 2140 service123.exe 2276 service123.exe 3056 service123.exe -
Loads dropped DLL 3 IoCs
Processes:
service123.exeservice123.exeservice123.exepid Process 2140 service123.exe 2276 service123.exe 3056 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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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:
schtasks.exe8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exeservice123.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service123.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.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 use of WriteProcessMemory 6 IoCs
Processes:
8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exedescription pid Process procid_target PID 3808 wrote to memory of 2140 3808 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe 105 PID 3808 wrote to memory of 2140 3808 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe 105 PID 3808 wrote to memory of 2140 3808 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe 105 PID 3808 wrote to memory of 4556 3808 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe 106 PID 3808 wrote to memory of 4556 3808 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe 106 PID 3808 wrote to memory of 4556 3808 8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe"C:\Users\Admin\AppData\Local\Temp\8ad7c506b6c146384ab9b6effd12c9bd586518100e35c4fcb4744b40d10bf25a.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3808 -
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:2140
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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:4556
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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:2276
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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:3056