Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2024 22:07
Static task
static1
Behavioral task
behavioral1
Sample
be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe
Resource
win7-20240903-en
General
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Target
be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe
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Size
1.4MB
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MD5
9b9a35fe4818800c01e7b8b62f5b2a00
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SHA1
d7280eb795bfe05f454d6ced359d8dacc0f314eb
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SHA256
be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc
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SHA512
e79328d549cb3b65c832252a5e34dc7377310915c715b286aae1cbfa6e354190e8b674646fc2d1ed53035f625f42dba9c7a248387e7ad5967f8512271d4f7e80
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SSDEEP
24576:wBkVdlYA/y7jql9Rx53iaauEGVnWOQll0BPVjAuZZKOQmiVAOIM1:QsvojqHJzEqnWOqlAvQm6AOd1
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/3560-9-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation VC_redist.x86.exe -
Executes dropped EXE 4 IoCs
pid Process 3560 VC_redist.x86.exe 2288 service123.exe 3140 service123.exe 3952 service123.exe -
Loads dropped DLL 3 IoCs
pid Process 2288 service123.exe 3140 service123.exe 3952 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 4 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 be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VC_redist.x86.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 VC_redist.x86.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString VC_redist.x86.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 2660 schtasks.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2256 wrote to memory of 3560 2256 be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe 86 PID 2256 wrote to memory of 3560 2256 be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe 86 PID 2256 wrote to memory of 3560 2256 be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe 86 PID 3560 wrote to memory of 2288 3560 VC_redist.x86.exe 104 PID 3560 wrote to memory of 2288 3560 VC_redist.x86.exe 104 PID 3560 wrote to memory of 2288 3560 VC_redist.x86.exe 104 PID 3560 wrote to memory of 2660 3560 VC_redist.x86.exe 106 PID 3560 wrote to memory of 2660 3560 VC_redist.x86.exe 106 PID 3560 wrote to memory of 2660 3560 VC_redist.x86.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe"C:\Users\Admin\AppData\Local\Temp\be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3560 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2288
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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 /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2660
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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:3140
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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:3952
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
7.2MB
MD552cca4535026d44d04230373590f57fa
SHA110c8b3e51a71d8adca731b985c34163a320b32c4
SHA256ac35fc427952d4a283f69a51c9a166e61bc72072177f6aabbee5a62fe9ece2a0
SHA51254233882c2a8e7ed26d649527739ff28be185e8b0f62e66addef28a1638a0ced3614cb2d86a7691bf32f985541cd8674644b128e135f6bf7d5258a55c1336c41