Analysis
- max time kernel
150s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
04/02/2023, 19:43
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 192KB
- Sample230204-ye8kmsed39
- SHA256 07ca09a1b05ea6b7c9f20d6de6e81118b3085f4a58bdd3dee832aa98ef89b720
- MD5 387a0398c7ee416a83ff936ae9dec546
- SHA1 6e19835e87252e9040082fb88f6e20e2e67e8628
- SHA512 009a256827f72eeb4a7c20b995d985db7a93f1b0a09ee8910c6bd1519f808c7938b459dd7a65cb74f8ec6a10513bc6509a224e824470e6781ea21a3e9416ba90
- SSDEEP 3072:Kguo1m9TnXLQtouNWPPD5P6SFYYwyDlyLLfbBXfANGW5VwDrxog:Kgq5XLwTNe6p+wz/W5Vu2
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5116-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3736-135-0x0000000000550000-0x0000000000559000-memory.dmp family_smokeloader behavioral2/memory/5116-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5116-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3736 set thread context of 5116 3736 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 5116 file.exe 5116 file.exe 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2440 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5116 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3736 wrote to memory of 5116 3736 file.exe 82 PID 3736 wrote to memory of 5116 3736 file.exe 82 PID 3736 wrote to memory of 5116 3736 file.exe 82 PID 3736 wrote to memory of 5116 3736 file.exe 82 PID 3736 wrote to memory of 5116 3736 file.exe 82 PID 3736 wrote to memory of 5116 3736 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:3736 -
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:5116
-