Analysis
- max time kernel
150s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
02/01/2023, 23:22
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 195KB
- Sample230102-3cjkysbf51
- SHA256 bb836d99a34998fad88779d14d91a32c674f2e0cc4a9d2922db4cd27f531b433
- MD5 9ef2932e24c40199369c24c0b8fc5781
- SHA1 e6b109bf0fcea9f0926ef0c33f2bf66309c523a4
- SHA512 c3f4d985292afe6543d1b9842331219a223b9b9f4625b9c3deadc6982e359b4d594679e58919b62734ffdc6ab324161f81dce916b35ecf0465409dee88f24364
- SSDEEP 3072:xXZlnZLc8LZycXSVx5+XF6MTRFBn0IaxCVyD3ZhaP:VW8LlSVGFdhJyPa
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4144-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5016-135-0x0000000002040000-0x0000000002049000-memory.dmp family_smokeloader behavioral2/memory/4144-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4144-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5016 set thread context of 4144 5016 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 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 4144 file.exe 4144 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 4144 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5016 wrote to memory of 4144 5016 file.exe 83 PID 5016 wrote to memory of 4144 5016 file.exe 83 PID 5016 wrote to memory of 4144 5016 file.exe 83 PID 5016 wrote to memory of 4144 5016 file.exe 83 PID 5016 wrote to memory of 4144 5016 file.exe 83 PID 5016 wrote to memory of 4144 5016 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:5016 -
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:4144
-