Analysis
- max time kernel
152s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/12/2022, 02:50
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 214KB
- Sample221219-dblaqaeb32
- SHA256 431e4e5107d30d5ef9e4d457adc7d15d2665a061ee17dde1750b8d6e8a442fc1
- MD5 daaf312180fa52178f7da19b9c09cf94
- SHA1 0725b724313d6e294d0bf9fe964ee3618f5351c9
- SHA512 4891589dc0bf15a8586abe20e228e804043b7275a6751356934fdc661f4b2f470833811c601594a96a743c569564897c4700ff90462b758a24268b4cb0163126
- SSDEEP 3072:jXidLtIXaRjvtRiuuRqLT3/tfb+owBFeVBvaNRAtOba+/lmJCjcbImdzmuX:jydLtI8xuoRMBEVBC0ilECjcbXF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3156-133-0x00000000006F0000-0x00000000006F9000-memory.dmp family_smokeloader behavioral2/memory/4176-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4176-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4176-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3156 set thread context of 4176 3156 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 4176 file.exe 4176 file.exe 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 900 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4176 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3156 wrote to memory of 4176 3156 file.exe 79 PID 3156 wrote to memory of 4176 3156 file.exe 79 PID 3156 wrote to memory of 4176 3156 file.exe 79 PID 3156 wrote to memory of 4176 3156 file.exe 79 PID 3156 wrote to memory of 4176 3156 file.exe 79 PID 3156 wrote to memory of 4176 3156 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:3156 -
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:4176
-