Analysis
- max time kernel
151s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
30/12/2022, 04:10
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 313KB
- Sample221230-erdfgseh74
- SHA256 ed9ebf49059de7bd5fd25350e344575b77650bbe889160d3567f405334b4d01b
- MD5 76476a48c85c7ceb3a5ffcd153eadf10
- SHA1 0137e2f98f26a2b014a2d4f34b845df61422101f
- SHA512 675d2dcd793cfea25384df0c95f6466cd247a7e6131a67564a600fc05a415493c24fe889354bba823af478ee459d85e3d60a79b48cf6b52a0d8f328e24145d41
- SSDEEP 6144:9fLGxcKox0Kw0oiFVidrS8pyIxZ1WqqdS49:9faxZox0jBim1dYj
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3260-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/368-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/3260-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3260-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 368 set thread context of 3260 368 file.exe 85 - 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 3260 file.exe 3260 file.exe 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found 1028 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1028 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3260 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 368 wrote to memory of 3260 368 file.exe 85 PID 368 wrote to memory of 3260 368 file.exe 85 PID 368 wrote to memory of 3260 368 file.exe 85 PID 368 wrote to memory of 3260 368 file.exe 85 PID 368 wrote to memory of 3260 368 file.exe 85 PID 368 wrote to memory of 3260 368 file.exe 85
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:368 -
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:3260
-