Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
18/12/2022, 14:47
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 215KB
- Sample221218-r5vm5scd74
- SHA256 2d341e4b3e491d37ad1ffae7bfa6ef4832848389e9788f77931705a118b6d8c8
- MD5 0b0723f83ad95df1c02d43d24db1975a
- SHA1 5dae31bb61b62eb9ae9f7b53699263a85cace750
- SHA512 c1764c74cf6d77b019da30305a7e58259b91e4889381f22baf69343e75b0d3ffdd10d58870704762b0b2121e2fbdf5dd560956ae4683948dbe3dbb16c42cbec2
- SSDEEP 3072:6bAWCLkNJRAMdkJPe+Oyc0avF1XJBUzzPm+MOjg3uwXPB7HOil3lk025PH:0CLSolW3d0avF6zzOX+2B7jlVklPH
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1756-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1224-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/1756-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1756-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1224 set thread context of 1756 1224 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 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 1756 file.exe 1756 file.exe 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2576 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1756 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1224 wrote to memory of 1756 1224 file.exe 80 PID 1224 wrote to memory of 1756 1224 file.exe 80 PID 1224 wrote to memory of 1756 1224 file.exe 80 PID 1224 wrote to memory of 1756 1224 file.exe 80 PID 1224 wrote to memory of 1756 1224 file.exe 80 PID 1224 wrote to memory of 1756 1224 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:1224 -
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:1756
-