Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
24/01/2023, 17:11
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 176KB
- Sample230124-vp83daed3x
- SHA256 310ac971b8ebd9260248f2ff2f344f4d0711bf57c1759e9872b48d001d0b45cf
- MD5 232ccde25361c7811e5f5343df4a978f
- SHA1 ca5c7e2aed508cd98c1e188d582af828c37f881b
- SHA512 b7125e2df5b8618c551862c04a3b34f5b2621455f122c4a1479988df3595b92bcdbb04da18a52fe5d416954ba006e2d722dd974f7c6c671dab1b583543b732a0
- SSDEEP 3072:rBN2WJfEdLtaJZRq5Z57tYZTlfWeuKo6W8ePEsomNqCyKs7oKwR:ViLQZiv+hOJDt8ePZN1
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral2/memory/4724-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4724-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2220-135-0x0000000002C60000-0x0000000002C69000-memory.dmp family_smokeloader behavioral2/memory/4724-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4724-139-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2220 set thread context of 4724 2220 file.exe 79 - 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 4724 file.exe 4724 file.exe 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 700 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4724 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2220 wrote to memory of 4724 2220 file.exe 79 PID 2220 wrote to memory of 4724 2220 file.exe 79 PID 2220 wrote to memory of 4724 2220 file.exe 79 PID 2220 wrote to memory of 4724 2220 file.exe 79 PID 2220 wrote to memory of 4724 2220 file.exe 79 PID 2220 wrote to memory of 4724 2220 file.exe 79
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:2220 -
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:4724
-