Analysis
- max time kernel
150s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
15/12/2022, 04:05
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 230KB
- Sample221215-eng99sbf59
- SHA256 18b5f62863d8f996a4850b21d351f47e11071cec21e9ff4161f7c03dc966c59c
- MD5 d3c42b23ece5c4d137390d3d4341b9d8
- SHA1 e8b1da3f3e40fe8406ca6e135599f08112756dd8
- SHA512 82459a113e0b697b198c43aae516255dba8f3a98490e059ce81de1d3ca221cb5488db7096b0dee1f09e14ca41294a3700c26bbe83c4da878991a358f2110c25d
- SSDEEP 6144:VYESGFdL7yTS2Ox/zYPPQyd0PcDCK4bcdtx8DZ:yESGbvyTLQYnQydRrdtx8DZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/948-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4876-135-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader behavioral2/memory/948-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/948-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4876 set thread context of 948 4876 file.exe 82 - 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 948 file.exe 948 file.exe 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 764 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 948 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4876 wrote to memory of 948 4876 file.exe 82 PID 4876 wrote to memory of 948 4876 file.exe 82 PID 4876 wrote to memory of 948 4876 file.exe 82 PID 4876 wrote to memory of 948 4876 file.exe 82 PID 4876 wrote to memory of 948 4876 file.exe 82 PID 4876 wrote to memory of 948 4876 file.exe 82
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:4876 -
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:948
-