Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
04/02/2023, 18:47
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 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 193KB
- Sample230204-xe7gxahe3x
- SHA256 5d4414c07b3b8dd7dc4067d16e5fd0f7f643cee53ff01fe3d1d72802e484ce3c
- MD5 5c311f42fe8e0d0f746791d0868e73f0
- SHA1 5887c9da90622e07eefb849568f555cb3f91d4f6
- SHA512 3566b1ac680b340e57e915a06e372992a19f05bef34da3a336e6c2856f360b817338399853f18fddda3f1a7e5549f1bb8465a584158118b00f5be263bb1b692d
- SSDEEP 3072:PFdExGjscLhK+/LNWQO05G5EPXQ7CndGMc2wKiMkuc27VE:PFPjLhBTNKPyQgGMzht2u
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4988-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4304-135-0x0000000000730000-0x0000000000739000-memory.dmp family_smokeloader behavioral2/memory/4988-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4988-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4304 set thread context of 4988 4304 file.exe 80 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4988 file.exe 4988 file.exe 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2864 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4988 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4304 wrote to memory of 4988 4304 file.exe 80 PID 4304 wrote to memory of 4988 4304 file.exe 80 PID 4304 wrote to memory of 4988 4304 file.exe 80 PID 4304 wrote to memory of 4988 4304 file.exe 80 PID 4304 wrote to memory of 4988 4304 file.exe 80 PID 4304 wrote to memory of 4988 4304 file.exe 80
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:4304 -
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:4988
-