Analysis
- max time kernel
150s - max time network
109s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
31/01/2023, 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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 168KB
- Sample230131-freh8aeg23
- SHA256 69420d1b4894f98cb680ce0281483c5f52b0b68a7fc221733e8bbf1ae631cc2c
- MD5 dc3eeb24f9267b3459dc977fa76fa8db
- SHA1 21dd1f52b88000055382c5ecded4371ddf415fb3
- SHA512 465f09fa4e17bfd37dd10a854080897f3cfdc5bd6c7ce1f901ed7ae953f7b82ff2d650564407944842ce01488a23f22e0c944c59e631b9d054ae70e750ae9ce5
- SSDEEP 3072:xj7SiSLH5j2Ie8U5JnIHNipFA+IYQgRzp4AJQv:YL4Ie84IH0pqDYQgRze4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4504-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4828-135-0x00000000048D0000-0x00000000048D9000-memory.dmp family_smokeloader behavioral2/memory/4504-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4504-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4828 set thread context of 4504 4828 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4504 file.exe 4504 file.exe 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3064 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4504 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4828 wrote to memory of 4504 4828 file.exe 83 PID 4828 wrote to memory of 4504 4828 file.exe 83 PID 4828 wrote to memory of 4504 4828 file.exe 83 PID 4828 wrote to memory of 4504 4828 file.exe 83 PID 4828 wrote to memory of 4504 4828 file.exe 83 PID 4828 wrote to memory of 4504 4828 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:4828 -
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:4504
-