Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
29/12/2022, 04:05
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 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 244KB
- Sample221229-enhwsscc76
- SHA256 d963efb79f2127cd6e5f7d4d3f072d2b240542b5317e21edb9f871bbe4a36a72
- MD5 4078d737c6d4666c7098fab29d4da7ed
- SHA1 1cb5367993076acb35ee081f7d1215f0861cffd9
- SHA512 3370bc1e0fe5578ee71e13e9acd547643e0bbba9d52b6fdc3988f08f2228aa39fa97d67b649e85f6fe7c2051c54b8547147370ec66c087801d1abb719d1ac33e
- SSDEEP 3072:vr0EELSqq5EmFYw0+hnzc2Iklv+qeO0wjRnJPte8yeQhGywDDtdmdhmUXG83H:fELSUX+1zc1OLZjdJPkLiDtmmUXT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4304-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3944-135-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader behavioral2/memory/4304-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4304-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3944 set thread context of 4304 3944 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 4304 file.exe 4304 file.exe 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2584 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4304 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3944 wrote to memory of 4304 3944 file.exe 80 PID 3944 wrote to memory of 4304 3944 file.exe 80 PID 3944 wrote to memory of 4304 3944 file.exe 80 PID 3944 wrote to memory of 4304 3944 file.exe 80 PID 3944 wrote to memory of 4304 3944 file.exe 80 PID 3944 wrote to memory of 4304 3944 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:3944 -
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:4304
-