Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
01/02/2023, 12:55
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 225KB
- Sample230201-p5tpqsdc22
- SHA256 fa870c075ddfcb7dae0700dcccae2d5e3aeb89ac52837ca4ec82cafdaa157e83
- MD5 6aa08ecdc7cd59c8648450c3556141aa
- SHA1 0dd55820631f09f4216d53c5bbf2ced5f5a57d71
- SHA512 9fa403331a3ec748276044fdec4c0b8824e2cc180a6a81066edea58e6f6cf2c0ab14ae5270dadf8a86dea1781c96cd5783e78e603566159ec4faf75f2efd1017
- SSDEEP 6144:xWBo7TuFLrRwBRvPreD3L7bxNgfZOAeY4H:xWUaFXRwvHreD7xCwA
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3672-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4284-135-0x0000000002D40000-0x0000000002D49000-memory.dmp family_smokeloader behavioral2/memory/3672-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3672-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4284 set thread context of 3672 4284 file.exe 81 - 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 3672 file.exe 3672 file.exe 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3092 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3672 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4284 wrote to memory of 3672 4284 file.exe 81 PID 4284 wrote to memory of 3672 4284 file.exe 81 PID 4284 wrote to memory of 3672 4284 file.exe 81 PID 4284 wrote to memory of 3672 4284 file.exe 81 PID 4284 wrote to memory of 3672 4284 file.exe 81 PID 4284 wrote to memory of 3672 4284 file.exe 81
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:4284 -
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:3672
-