Analysis
- max time kernel
150s - 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
26/01/2023, 15:01
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 199KB
- Sample230126-sdwa2aea98
- SHA256 7cb736abdc30a33fe7387988e57d04fd117b985d5f3cb76fa4ee8b8a0a559b9b
- MD5 917fe7b784f863195d6f98c41825e3e0
- SHA1 73afad5f89cb6a41b423410b3ca7c6562f821ebb
- SHA512 c0cd19f49f488f5ffcfcecceee34ff69a7d197637a4d9c618b82d4e333ac7d321ca5b3b3df4513b5c18ffbe130b428e42d35a0406bcd4b43e1fc3dabde20e75c
- SSDEEP 3072:uBN2mdZcLMdjUz/LvQs54LdoSowMB+9X43GBfTrgb:CWLMFUjQXdwz+JeKT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2176-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4160-135-0x0000000002CD0000-0x0000000002CD9000-memory.dmp family_smokeloader behavioral2/memory/2176-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2176-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4160 set thread context of 2176 4160 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 2176 file.exe 2176 file.exe 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2600 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2176 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4160 wrote to memory of 2176 4160 file.exe 84 PID 4160 wrote to memory of 2176 4160 file.exe 84 PID 4160 wrote to memory of 2176 4160 file.exe 84 PID 4160 wrote to memory of 2176 4160 file.exe 84 PID 4160 wrote to memory of 2176 4160 file.exe 84 PID 4160 wrote to memory of 2176 4160 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:4160 -
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:2176
-