Analysis
- max time kernel
151s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
15/12/2022, 12:16
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 328KB
- Sample221215-pff3cafc8y
- SHA256 bbba2eff0954b7c75add6615de79ac5a36c1212495656c660fd584ba8b7e613e
- MD5 8bbc2e9b1bbac6477d33830d14c1e9c7
- SHA1 223a8b0725bd5a8d467c9fcaed0295918dd7cc32
- SHA512 b19a0a2645f2d8b428739cf4e66f087ebf8236905bfc817e6f5aef4e90463897151c7793632fce22b5a822919cbefdf85ef880fb74fed4b2dcbe8eae5d38307a
- SSDEEP 6144:PYQ8LJ/f1uToCD+jx8ACMtM0isvzpQ6ijLxQFiaI:Y9/coCD8x8AptMxqzpQ6ijqF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/800-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4984-135-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/800-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/800-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4984 set thread context of 800 4984 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 800 file.exe 800 file.exe 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 700 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 800 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4984 wrote to memory of 800 4984 file.exe 80 PID 4984 wrote to memory of 800 4984 file.exe 80 PID 4984 wrote to memory of 800 4984 file.exe 80 PID 4984 wrote to memory of 800 4984 file.exe 80 PID 4984 wrote to memory of 800 4984 file.exe 80 PID 4984 wrote to memory of 800 4984 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:4984 -
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:800
-