Analysis
- max time kernel
151s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
23/12/2022, 13:10
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 228KB
- Sample221223-qectzagd93
- SHA256 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60
- MD5 3bba7c9a5fbbfbd6032a479f752dc12f
- SHA1 5459125274dde9e1ecaa3bf6b89eb0666b4821bc
- SHA512 94ec4e5a5afd0c733a5f5c7509b1ff1c6334a0db428f7ca46bc849132dacd56c48375249fb52244e056d486e0d5ede6ce65edd84ed272704b70c332e9978e33f
- SSDEEP 3072:6mLkTczPOr1ZcdXGLTgtKA3UO+Vdu+oukzRZ+lLiWBkOuRGK:BLkTzRZ4W383qVEuk1clLipjcK
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2836-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4156-135-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/2836-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2836-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4156 set thread context of 2836 4156 file.exe 84 - 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 2836 file.exe 2836 file.exe 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found 2480 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2480 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2836 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4156 wrote to memory of 2836 4156 file.exe 84 PID 4156 wrote to memory of 2836 4156 file.exe 84 PID 4156 wrote to memory of 2836 4156 file.exe 84 PID 4156 wrote to memory of 2836 4156 file.exe 84 PID 4156 wrote to memory of 2836 4156 file.exe 84 PID 4156 wrote to memory of 2836 4156 file.exe 84
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:4156 -
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:2836
-