Analysis
- max time kernel
152s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
08/01/2023, 13:10
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 264KB
- Sample230108-qedfhadf65
- SHA256 d199bfaa3af9b8a677173dd76bfbba4cbb66a41c000a225d216e29bca3505583
- MD5 32b715d747f299c7e22c3983dfe2d9cc
- SHA1 ecdc3d66fa78a7bdb87ab0115f75c421b7de0197
- SHA512 fb85b09b724f487457b09626928887dd9390afe591f80cc06d18941ce29cca4179c881e8ab16a4f224619f88e5b2b857be6116bfa9700c66e1d6d36bbecc1f8b
- SSDEEP 3072:pXh9BSZY0LQL+aNe2d9Frq5fVwiF1xby4g4IcIPDSfDiHAcpxOJaB4iUZNTKXWPj:NoLQL+cd9FrWV9HVy4XI2OHAcpBsOuN
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4252-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4780-135-0x00000000048E0000-0x00000000048E9000-memory.dmp family_smokeloader behavioral2/memory/4252-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4252-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4780 set thread context of 4252 4780 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 4252 file.exe 4252 file.exe 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4252 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4780 wrote to memory of 4252 4780 file.exe 80 PID 4780 wrote to memory of 4252 4780 file.exe 80 PID 4780 wrote to memory of 4252 4780 file.exe 80 PID 4780 wrote to memory of 4252 4780 file.exe 80 PID 4780 wrote to memory of 4252 4780 file.exe 80 PID 4780 wrote to memory of 4252 4780 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:4780 -
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:4252
-