Analysis
- max time kernel
150s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
26/12/2022, 17:10
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 229KB
- Sample221226-vppczadb97
- SHA256 ba284bb55453961eb1a49fedebce1fe6259abefb73ccf51c210b528d3de0234c
- MD5 bfb23816abc335bd5298d567c82a2f14
- SHA1 d55c84109c268af84a10e88875ec98c0338dc951
- SHA512 d8a0a58a468ac7e292d2885387b14ea0486f12ca0467690e717e4402e50e21f284c3c4667847fe0af90c26b3897177ebddc1bd8d97cb70f0b4dfafbbef2ccb69
- SSDEEP 3072:191GnL52fsvihBj5GCTXlSLjhxogX/DunNx6fKtKgjLptTmllUFw6pI+V+Y700:InL52fsv6yCBS0gix6sHsl1+I+Vl7l
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3496-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4920-135-0x0000000000520000-0x0000000000529000-memory.dmp family_smokeloader behavioral2/memory/3496-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3496-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4920 set thread context of 3496 4920 file.exe 81 - 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 3496 file.exe 3496 file.exe 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found 704 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 704 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3496 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4920 wrote to memory of 3496 4920 file.exe 81 PID 4920 wrote to memory of 3496 4920 file.exe 81 PID 4920 wrote to memory of 3496 4920 file.exe 81 PID 4920 wrote to memory of 3496 4920 file.exe 81 PID 4920 wrote to memory of 3496 4920 file.exe 81 PID 4920 wrote to memory of 3496 4920 file.exe 81
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:4920 -
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:3496
-