Analysis
- max time kernel
150s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
07/01/2023, 09:50
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 319KB
- Sample230107-ltxepsdc42
- SHA256 da63b0bf578ba3669edc42df4e4d960703624c71590f5d9b7d73e9161d0781db
- MD5 ceda611d350ba9f937f9b0d04b7db26c
- SHA1 454da29da70d8aa7cfbcf824b3cc1679c15c55f3
- SHA512 b4503910ba01802f0eb6ef103ab078f5a3aded0e7f6db6fd7d80af5bcb27501bf0aea6b0060d080d7d68f5c73cb6b74710f129d1dbaed8c20dda7e9fe80c7f2f
- SSDEEP 3072:oWXgtqLjX1rIhrz5lgc9n2e7XUSo9mQ3u7ewbMK7xtvUOItoExH4i6zSbFL:PjLjFkYU2apqZwbMS/s1xYi6Wb
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4848-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3068-135-0x0000000003020000-0x0000000003029000-memory.dmp family_smokeloader behavioral2/memory/4848-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4848-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3068 set thread context of 4848 3068 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 4848 file.exe 4848 file.exe 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1040 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4848 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3068 wrote to memory of 4848 3068 file.exe 84 PID 3068 wrote to memory of 4848 3068 file.exe 84 PID 3068 wrote to memory of 4848 3068 file.exe 84 PID 3068 wrote to memory of 4848 3068 file.exe 84 PID 3068 wrote to memory of 4848 3068 file.exe 84 PID 3068 wrote to memory of 4848 3068 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:3068 -
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:4848
-