Analysis
- max time kernel
150s - max time network
132s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
17/01/2023, 02:21
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 229KB
- Sample230117-cs1ajaha58
- SHA256 7edf021961c8c0b11795f92b8d9dc8949cfc9bbaa30f26352c9b2c8b697e7076
- MD5 9026529fe6eede25aac92fea068eb665
- SHA1 cf7c3720786b777cd4d9aedee88794b9df72ab71
- SHA512 ebbb1530391441f3c856e79bf0eeb158d3634074faaade62ecea1239cd540552397b190ea1b310f1cea49b16d6da64cb390b7a02f499da8319e55f1002e1cd56
- SSDEEP 6144:PZ0PuwL046hWSzC369/ATe+kjfJSbDHX:B0pr6hjC3SGqjo
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2716-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4668-135-0x00000000005D0000-0x00000000005D9000-memory.dmp family_smokeloader behavioral2/memory/2716-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2716-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4668 set thread context of 2716 4668 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 2716 file.exe 2716 file.exe 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3060 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2716 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4668 wrote to memory of 2716 4668 file.exe 81 PID 4668 wrote to memory of 2716 4668 file.exe 81 PID 4668 wrote to memory of 2716 4668 file.exe 81 PID 4668 wrote to memory of 2716 4668 file.exe 81 PID 4668 wrote to memory of 2716 4668 file.exe 81 PID 4668 wrote to memory of 2716 4668 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:4668 -
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:2716
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