Analysis
- max time kernel
146s - max time network
197s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
09/02/2023, 00:51
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 321KB
- Sample230209-a7gqmaca9w
- SHA256 f9cb6e292b21bf9272db565066a0d4a306af9db3afbbcd4b623dad71ecd972ba
- MD5 bd26d264157af97378d1e11495ff7231
- SHA1 49e2c1634cd86a6eb693b622bfd37984f6a36fa5
- SHA512 1e27e005e7e9e471f72a9338cc188ad9d4ba82b899acd183dbbdfbd3db5a216b5e18b20c4447c3a2a703590dd595203f0c975ebdfa96008c600547164f2cb0f3
- SSDEEP 3072:4PEGSRVSPRdXgdpJxyjlRS88gyOzQFX/Q2acjCQENe+pGSFAz3:4MGUEXk4xyio/QSuQkeQGS2
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/220-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4028-135-0x00000000022C0000-0x00000000022C9000-memory.dmp family_smokeloader behavioral2/memory/220-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/220-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4028 set thread context of 220 4028 file.exe 78 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 220 file.exe 220 file.exe 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 220 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4028 wrote to memory of 220 4028 file.exe 78 PID 4028 wrote to memory of 220 4028 file.exe 78 PID 4028 wrote to memory of 220 4028 file.exe 78 PID 4028 wrote to memory of 220 4028 file.exe 78 PID 4028 wrote to memory of 220 4028 file.exe 78 PID 4028 wrote to memory of 220 4028 file.exe 78
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:4028 -
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:220
-