Analysis
- max time kernel
150s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
05/10/2022, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 271KB
- Sample221005-henx8sdgem
- SHA256 0d82f707af6ea1603e21f0a4ef4cbd2c03b1c1608f02eddebd8adb0b2b1d7d2f
- MD5 2ee58cfacdd6401e80cb734b46d0c1df
- SHA1 b82f9b5a66c67d3c3c22aac40c8880c4b2270822
- SHA512 b06abf906bd5a2ace78242f3240c1bbd839e672febce6778cf24404f0f7844cf1b2171a294c34a7a6b806a54d9e6db916564b4c0a8b0908e3a930f8c2bb809ad
- SSDEEP 6144:s3E8KtLXCj/7zbhvzpYssIuzbgwu0mgMLwVf:s3fKtLCj/73hvz6srunn
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/3692-133-0x0000000000580000-0x0000000000589000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 1488 seucrvc - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI seucrvc Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI seucrvc Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI seucrvc Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3692 file.exe 3692 file.exe 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2592 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3692 file.exe 1488 seucrvc
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3692
-
C:\Users\Admin\AppData\Roaming\seucrvcC:\Users\Admin\AppData\Roaming\seucrvc1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1488
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\seucrvc
- Size 271KB
- SHA256 0d82f707af6ea1603e21f0a4ef4cbd2c03b1c1608f02eddebd8adb0b2b1d7d2f
- MD5 2ee58cfacdd6401e80cb734b46d0c1df
- SHA1 b82f9b5a66c67d3c3c22aac40c8880c4b2270822
- SHA512 b06abf906bd5a2ace78242f3240c1bbd839e672febce6778cf24404f0f7844cf1b2171a294c34a7a6b806a54d9e6db916564b4c0a8b0908e3a930f8c2bb809ad
- SSDEEP 6144:s3E8KtLXCj/7zbhvzpYssIuzbgwu0mgMLwVf:s3fKtLCj/73hvz6srunn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\seucrvc
- Size 271KB
- SHA256 0d82f707af6ea1603e21f0a4ef4cbd2c03b1c1608f02eddebd8adb0b2b1d7d2f
- MD5 2ee58cfacdd6401e80cb734b46d0c1df
- SHA1 b82f9b5a66c67d3c3c22aac40c8880c4b2270822
- SHA512 b06abf906bd5a2ace78242f3240c1bbd839e672febce6778cf24404f0f7844cf1b2171a294c34a7a6b806a54d9e6db916564b4c0a8b0908e3a930f8c2bb809ad
- SSDEEP 6144:s3E8KtLXCj/7zbhvzpYssIuzbgwu0mgMLwVf:s3fKtLCj/73hvz6srunn
- MD5 SHA1 SHA512 SSDEEP