Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
30/01/2023, 16:15
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 169KB
- Sample230130-tp8aeacf8s
- SHA256 acc529e3265aa792796c0425ef493355e31435ae141b8dc13b3a912e83eef57d
- MD5 8f5623f90fb89c825bc733533546a79f
- SHA1 d862e513342f52050f84f4aae02c4fc6546164a0
- SHA512 1c4bbb3ff09ed1aaa47c97e2d2797c8652a0ba204d107b22588636f807e49aaf8515a06e7c75024509ff9b500a107872378ef3007ac001edad7ea0f1ac3fb0ee
- SSDEEP 3072:DLNJHLSir5E5MG8X/amLBzzJ6ZGFDBOTj1JFqKJXQ9:zLS+5vFfLHol9JEr9
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5024-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4612-135-0x0000000002CF0000-0x0000000002CF9000-memory.dmp family_smokeloader behavioral2/memory/5024-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5024-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4612 set thread context of 5024 4612 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5024 file.exe 5024 file.exe 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2424 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5024 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4612 wrote to memory of 5024 4612 file.exe 81 PID 4612 wrote to memory of 5024 4612 file.exe 81 PID 4612 wrote to memory of 5024 4612 file.exe 81 PID 4612 wrote to memory of 5024 4612 file.exe 81 PID 4612 wrote to memory of 5024 4612 file.exe 81 PID 4612 wrote to memory of 5024 4612 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:4612 -
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:5024
-