Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
24/01/2023, 18:13
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 176KB
- Sample230124-wtql9sda53
- SHA256 b0ee7660f0066b424ad22ed99e185df6564dbc54ce50983b50792fa2c5afdcf2
- MD5 36e09bda366bcd64b1b9ee7d1467b243
- SHA1 8e9e8bcf12606fb42c7ec7eeb439292d929a2965
- SHA512 86df6351864c666a7eb3a8679b7e8abbfd69ad77e6065bdb66d6ba8f54d221f2da31965fcd32c971c4547ebaedc57c4a9986737ad8a9201bb6e80cd17d56ff6c
- SSDEEP 3072:+BN2D+fEdLtaJZRq5Z5uKJd7E1wLM3NoyeD9B1hTjtU2W9:SILQZi6S7MIM3NoyeD/34
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2000-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4812-135-0x0000000002E30000-0x0000000002E39000-memory.dmp family_smokeloader behavioral2/memory/2000-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2000-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4812 set thread context of 2000 4812 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 2000 file.exe 2000 file.exe 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2000 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4812 wrote to memory of 2000 4812 file.exe 82 PID 4812 wrote to memory of 2000 4812 file.exe 82 PID 4812 wrote to memory of 2000 4812 file.exe 82 PID 4812 wrote to memory of 2000 4812 file.exe 82 PID 4812 wrote to memory of 2000 4812 file.exe 82 PID 4812 wrote to memory of 2000 4812 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:4812 -
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:2000
-