Analysis
- max time kernel
150s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
22/01/2023, 03:30
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 196KB
- Sample230122-d2gp8afa79
- SHA256 81ee34cd19057eaecb3f5d5231c2f54ac63f9bbe35f83a33a18a8eee370c0665
- MD5 4b5201d59ba9c802d6e66d4e21f6e708
- SHA1 6bcbf2acff6a83eb95eddf48eeb41eeadd730719
- SHA512 add3d5dd800bb2b55707e5ee32c690dad7a8a4824a10b18bb3c2c968d2394cb193bd438545423f4375b338087a86145b1f6aebc229203d9262208023fc3f5285
- SSDEEP 3072:XBN4X3EuxzC05BLbxKvGx5pQ47XHDcLLOJxvoa3SpXuR:xm5fLb0vGVXXHDOL+xAaI+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4844-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2248-135-0x0000000002D30000-0x0000000002D39000-memory.dmp family_smokeloader behavioral2/memory/4844-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4844-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2248 set thread context of 4844 2248 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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4844 file.exe 4844 file.exe 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2556 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4844 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2248 wrote to memory of 4844 2248 file.exe 80 PID 2248 wrote to memory of 4844 2248 file.exe 80 PID 2248 wrote to memory of 4844 2248 file.exe 80 PID 2248 wrote to memory of 4844 2248 file.exe 80 PID 2248 wrote to memory of 4844 2248 file.exe 80 PID 2248 wrote to memory of 4844 2248 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:2248 -
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:4844
-