Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/01/2023, 17:00
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 211KB
- Sample230102-vhz6wsaa91
- SHA256 6084ded8e3883747fc719c4fd37c4e2d07c7c799eab53dd04084f87019eedafe
- MD5 58da75d6b1a10f49de6c2388a189424b
- SHA1 14869d6713503c1d98b01c28940929b2b7cf23a6
- SHA512 f8b8ed68cec7b9dac361a3e73a37493f0874441350fe9d681062f39397470b153aefb30438b2d19aa753953006e4e1c72ab50b43fbfbb00a48422645da28e7d1
- SSDEEP 3072:HX58V1gpPLsYbdDl5N3X+W9u3K6Y2gbOKMxqbL9CaGeJfdo9wOK9ZhC4ySP:39PLldD1QPxeJ4aGeBdo9wT1C4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1896-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4988-135-0x00000000004D0000-0x00000000004D9000-memory.dmp family_smokeloader behavioral2/memory/1896-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1896-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4988 set thread context of 1896 4988 file.exe 80 - 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 1896 file.exe 1896 file.exe 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1896 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4988 wrote to memory of 1896 4988 file.exe 80 PID 4988 wrote to memory of 1896 4988 file.exe 80 PID 4988 wrote to memory of 1896 4988 file.exe 80 PID 4988 wrote to memory of 1896 4988 file.exe 80 PID 4988 wrote to memory of 1896 4988 file.exe 80 PID 4988 wrote to memory of 1896 4988 file.exe 80
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:4988 -
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:1896
-