Analysis
- max time kernel
244s - max time network
259s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
12/02/2023, 00:14
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
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 198KB
- Sample230212-ajbjpsfg95
- SHA256 705770f54ef72d3b2d8b44b8f0e062a6769eaf121527da31f0fa0c9c178ede2c
- MD5 cd3b4edcf6f438ca20c84b509e0de2ee
- SHA1 257be767ca06292531debb92c6b2476aadbbf8ea
- SHA512 65178bca79fb1f7ebe252f6fce997512de4c1d0d91b0bb7c16e94192b71210ccf75cde57889693333f788c0525cc804dfdcb2651a1ecc9512637081afbe266f2
- SSDEEP 3072:1jqx5+0JT5K5Cb52jcUUpAI/Mx0EIAET3R4oBpMNjoEnXLtG:1GrRTbAjkEIAEThB3MNjBL
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4232-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2948-135-0x00000000001C0000-0x00000000001C9000-memory.dmp family_smokeloader behavioral2/memory/4232-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4232-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2948 set thread context of 4232 2948 file.exe 78 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4232 file.exe 4232 file.exe 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 784 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4232 file.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 784 Process not Found Token: SeCreatePagefilePrivilege 784 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2948 wrote to memory of 4232 2948 file.exe 78 PID 2948 wrote to memory of 4232 2948 file.exe 78 PID 2948 wrote to memory of 4232 2948 file.exe 78 PID 2948 wrote to memory of 4232 2948 file.exe 78 PID 2948 wrote to memory of 4232 2948 file.exe 78 PID 2948 wrote to memory of 4232 2948 file.exe 78
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:2948 -
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:4232
-