Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
26/01/2023, 15:42
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 199KB
- Sample230126-s5bqpsec28
- SHA256 009acae51ca9cbb3b1d0ae8752a157c59ed2a5c0280c2c690eb4f7fae728d65c
- MD5 fb1d682599d7b810f8f5788cffc98a57
- SHA1 08b7916dbc45a13d64c46db268e4c22fc9b70ba2
- SHA512 16cadb47873021c994bbd0315b1255bd8b8db9000d8c094077223070e33847a3a013117ac0e1526d7a44e692b9b7dc71e3986ee9fe429dca47284f631f517176
- SSDEEP 3072:PBN2HGwSLmTY7ydfwd5Csl60bDA5ySMAUz2idzE4sT8P:JPLmsWBwyM2/+hE4+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4356-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/384-135-0x0000000002D30000-0x0000000002D39000-memory.dmp family_smokeloader behavioral2/memory/4356-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4356-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 384 set thread context of 4356 384 file.exe 79 - Checks SCSI registry key(s) 3 TTPs 3 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4356 file.exe 4356 file.exe 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2724 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4356 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 384 wrote to memory of 4356 384 file.exe 79 PID 384 wrote to memory of 4356 384 file.exe 79 PID 384 wrote to memory of 4356 384 file.exe 79 PID 384 wrote to memory of 4356 384 file.exe 79 PID 384 wrote to memory of 4356 384 file.exe 79 PID 384 wrote to memory of 4356 384 file.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4356
-