Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
16/12/2022, 07:00
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 228KB
- Sample221216-hsnvdsec68
- SHA256 25043deed57736749b4c7cffbc200e72c549d8392863466ce03a0a8a74816c2e
- MD5 18c077f97d015699daf0ec2e459b3410
- SHA1 7982f58db1d402309d41c24c38b9b7665719405e
- SHA512 33578da46bd23fa8c2b57c259014c1f4005abad966dfec204b64098fb2d6db2f596439d222130f2e6a8553fb1f0581b21f9af0352e4becdd840e93719aa415e9
- SSDEEP 3072:I+hkaHnRLIURtq2cRgg0CHcNe1BedQ3GDcIeLppLR/YLQ2mppGT8EnQPTlHtWqMD:5hkqLIURE88cNeJ2DcXPhLtWml8qMrc
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/608-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1376-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/608-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/608-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1376 set thread context of 608 1376 file.exe 79 - 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 608 file.exe 608 file.exe 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2648 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 608 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1376 wrote to memory of 608 1376 file.exe 79 PID 1376 wrote to memory of 608 1376 file.exe 79 PID 1376 wrote to memory of 608 1376 file.exe 79 PID 1376 wrote to memory of 608 1376 file.exe 79 PID 1376 wrote to memory of 608 1376 file.exe 79 PID 1376 wrote to memory of 608 1376 file.exe 79
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:1376 -
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:608
-