Analysis
- max time kernel
150s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
12/01/2023, 05:06
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 321KB
- Sample230112-freh8afc28
- SHA256 0411cb8baf2a90e7a9ec1a9ebbd88342e77aef16272b95a2f5dc3ad29feb809c
- MD5 ca35fd2fbe0f15e3788587335a98dd34
- SHA1 13856e2c74cccb80066d57196a2c0462fd8a6a39
- SHA512 de2e34fa7476fd8170e256bb4f29966f0043c6f6ee8596750a0726359a4352700715376959455c5471418b761dfe3b0aa5a7747605731bf374c94378c75e59ca
- SSDEEP 3072:DXO+qb61qv/Ahvta5ZLLIhT4L5tzPNSDbDyTnwY62jdF8M/WhJshxeDwMTaCBKmT:7rq2Iwtz4L5XSDtejdO6WseDnmg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2292-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3440-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/2292-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2292-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3440 set thread context of 2292 3440 file.exe 83 - 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 2292 file.exe 2292 file.exe 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found 2628 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2628 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2292 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3440 wrote to memory of 2292 3440 file.exe 83 PID 3440 wrote to memory of 2292 3440 file.exe 83 PID 3440 wrote to memory of 2292 3440 file.exe 83 PID 3440 wrote to memory of 2292 3440 file.exe 83 PID 3440 wrote to memory of 2292 3440 file.exe 83 PID 3440 wrote to memory of 2292 3440 file.exe 83
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:3440 -
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:2292
-