Analysis
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max time kernel
295s -
max time network
188s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
10-10-2024 01:48
Static task
static1
Behavioral task
behavioral1
Sample
4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe
Resource
win7-20240708-en
General
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Target
4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe
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Size
6.8MB
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MD5
8022d07f97b41440f4be8229f5a57069
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SHA1
313b34e34c003aa7d4bfd84f7dc6e44503a1e4b7
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SHA256
4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404
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SHA512
17fd1e31a91d9f0a1303b09d31e815aeed05de5c99e4b821af9b5366e3fa7d4505350b11cc530181b4d5054bfcd457dac45d497aac9556f42a882c5fc9958bb1
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SSDEEP
49152:I8oGKIqb64Lw0fGPWVsWeqU9eR7FToV4SFqSiqL7EI4ohxbq3zDzAQJ5JZGW:I8tj4MiB5eqkyFUV4
Malware Config
Signatures
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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/2064-0-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Executes dropped EXE 6 IoCs
pid Process 1648 service123.exe 3128 service123.exe 4648 service123.exe 3008 service123.exe 4568 service123.exe 5024 service123.exe -
Loads dropped DLL 6 IoCs
pid Process 1648 service123.exe 3128 service123.exe 4648 service123.exe 3008 service123.exe 4568 service123.exe 5024 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.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 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.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 4132 schtasks.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2064 wrote to memory of 1648 2064 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe 73 PID 2064 wrote to memory of 1648 2064 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe 73 PID 2064 wrote to memory of 1648 2064 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe 73 PID 2064 wrote to memory of 4132 2064 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe 74 PID 2064 wrote to memory of 4132 2064 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe 74 PID 2064 wrote to memory of 4132 2064 4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe 74
Processes
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C:\Users\Admin\AppData\Local\Temp\4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe"C:\Users\Admin\AppData\Local\Temp\4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2064 -
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:1648
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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:4132
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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:3128
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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:4648
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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:3008
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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:4568
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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:5024