Analysis
- max time kernel
151s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
20/01/2023, 19:41
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 334KB
- Sample230120-yd4kashf23
- SHA256 c9f29b092db7587b1cc1324c6b9232a261cb7cabdf614f46a8f05de3eb07358d
- MD5 55e9152c2340b3e4aa1a01288274025b
- SHA1 d594174ec0ab0ff008f2df706b9b3ac89780d61f
- SHA512 74997b1a6983755c79cffcc982b699d09e7f58cb83b1abd1767f43cf640132e97e0059fdd9ed2cccf0de5bddd331c3adb2486de85b3c826eade7bf47d349b485
- SSDEEP 3072:MQhUv3LNK3ZcQ5+yUXGl0bfmK7GiiIgI4l0uYwuQLw3ZAgBUDkCQ2Eg9BSpx2xa1:4Lo3ayIbfVJkY6MygCoZsBzRNOD
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2700-133-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/4088-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4088-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4088-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2700 set thread context of 4088 2700 file.exe 81 - 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 4088 file.exe 4088 file.exe 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 964 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4088 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2700 wrote to memory of 4088 2700 file.exe 81 PID 2700 wrote to memory of 4088 2700 file.exe 81 PID 2700 wrote to memory of 4088 2700 file.exe 81 PID 2700 wrote to memory of 4088 2700 file.exe 81 PID 2700 wrote to memory of 4088 2700 file.exe 81 PID 2700 wrote to memory of 4088 2700 file.exe 81
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:2700 -
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:4088
-