Analysis
- max time kernel
293s - max time network
298s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system - submitted
14/10/2024, 05:02
Static task
static1
Behavioral task
behavioral1
Sample
70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe
Resource
win7-20240903-en
General
- Target 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe
- Size 7.5MB
- Sample241014-fpaggsterr
- SHA256 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be
- MD5 e071b6dd90f4c7a9d23632bfb9517925
- SHA1 9ef06985e2f58c3cd0a64780819e7812d6ae849e
- SHA512 bd8b2c084b36f0b37f223aff83d0599affc0450ede1299efc37e5a9519cc9b26ecb209292865c06c7de29c4f3ffda070c56f956a7db7817427f2d2053b225baf
- SSDEEP 49152:MidZxaEXACSbv61erWUn19OFne30Tt2SUprQRd8/NPpuevH3nUk0gdtCneP/4scQ:Mivx4i1ul1WUp8O
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/5064-0-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 - Executes dropped EXE 6 IoCs
pid Process 2756 service123.exe 2320 service123.exe 4408 service123.exe 5072 service123.exe 4172 service123.exe 2236 service123.exe - Loads dropped DLL 6 IoCs
pid Process 2756 service123.exe 2320 service123.exe 4408 service123.exe 5072 service123.exe 4172 service123.exe 2236 service123.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.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 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.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 760 schtasks.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5064 wrote to memory of 2756 5064 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 73 PID 5064 wrote to memory of 2756 5064 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 73 PID 5064 wrote to memory of 2756 5064 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 73 PID 5064 wrote to memory of 760 5064 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 74 PID 5064 wrote to memory of 760 5064 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 74 PID 5064 wrote to memory of 760 5064 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe"C:\Users\Admin\AppData\Local\Temp\70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:5064 -
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:2756
-
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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:760
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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:2320
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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:4408
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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:5072
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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:4172
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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:2236