Analysis
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max time kernel
141s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
15-10-2024 01:10
Static task
static1
Behavioral task
behavioral1
Sample
20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe
Resource
win7-20240708-en
General
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Target
20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe
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Size
6.4MB
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MD5
e1c02bdd27200a2881dd2883ecfc9844
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SHA1
a3698b7ce84b65c7e851ab34e2e13e712f4c2c48
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SHA256
20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730
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SHA512
9334aa6f537957e5fc66734fad25c1eebec63d014fa1d0fa4ed441b94a346b0773ad3a08b78d9072e869495b31e9693a8f5f808f8808511a39ddea9958529da6
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SSDEEP
49152:uQL/LrSL9zmV9/3ZskRWT3PQYSUrxr1KbhzLWSYvIfPMcFFVliyCWrbQoYQBRy+D:u1ZmF63PQYSixJKZ4v
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 behavioral1/memory/2028-0-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Executes dropped EXE 3 IoCs
pid Process 2604 service123.exe 2164 service123.exe 2332 service123.exe -
Loads dropped DLL 5 IoCs
pid Process 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 2604 service123.exe 2164 service123.exe 2332 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 2 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 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.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 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.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 2576 schtasks.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2604 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 30 PID 2028 wrote to memory of 2604 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 30 PID 2028 wrote to memory of 2604 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 30 PID 2028 wrote to memory of 2604 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 30 PID 2028 wrote to memory of 2576 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 31 PID 2028 wrote to memory of 2576 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 31 PID 2028 wrote to memory of 2576 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 31 PID 2028 wrote to memory of 2576 2028 20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe 31 PID 2536 wrote to memory of 2164 2536 taskeng.exe 34 PID 2536 wrote to memory of 2164 2536 taskeng.exe 34 PID 2536 wrote to memory of 2164 2536 taskeng.exe 34 PID 2536 wrote to memory of 2164 2536 taskeng.exe 34 PID 2536 wrote to memory of 2332 2536 taskeng.exe 35 PID 2536 wrote to memory of 2332 2536 taskeng.exe 35 PID 2536 wrote to memory of 2332 2536 taskeng.exe 35 PID 2536 wrote to memory of 2332 2536 taskeng.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe"C:\Users\Admin\AppData\Local\Temp\20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2604
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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:2576
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C:\Windows\system32\taskeng.exetaskeng.exe {7088EB0C-5B11-4F11-8AF9-33A2DA9AE7CD} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2164
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2332
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