Analysis
- max time kernel
150s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
22/12/2022, 18:42
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 316KB
- Sample221222-xcbmfsab61
- SHA256 f8a0b42c3b7d667f4d4141bc1774f5a7a08682f67b2f3a2eadf987e42e0f9629
- MD5 7478149f26248b8edf19581bf4773680
- SHA1 e28be0eb0e147388dc7bd0ce9fbc240c439f9f0c
- SHA512 3d7c2955be4aaeaf2e91999663cc4257c5e9af64a7a6da9b2a1e230be8dac2b57fd869dd5f6f04a779aba81035df8654627611dd255589c30503516205c75677
- SSDEEP 6144:8pLzYDiDRXonT7RR0cSpQTtyzsduHNIv3:8pHYDiFoT7RR0TCtyYduHNI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4844-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2240-135-0x00000000006B0000-0x00000000006B9000-memory.dmp family_smokeloader behavioral2/memory/4844-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4844-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2240 set thread context of 4844 2240 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 4844 file.exe 4844 file.exe 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2680 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4844 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2240 wrote to memory of 4844 2240 file.exe 84 PID 2240 wrote to memory of 4844 2240 file.exe 84 PID 2240 wrote to memory of 4844 2240 file.exe 84 PID 2240 wrote to memory of 4844 2240 file.exe 84 PID 2240 wrote to memory of 4844 2240 file.exe 84 PID 2240 wrote to memory of 4844 2240 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:2240 -
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:4844
-