Analysis
- max time kernel
152s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
12/02/2023, 14:37
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 188KB
- Sample230212-ry5vjaef39
- SHA256 d4d68aae0611fb7905294b5bcb68b607d9c7064791cfa615f17c7ee779be038c
- MD5 713639c7b80d8a8999b5dafd001295d3
- SHA1 fc86cfb41f097989fd1dd7f367c97cae0eb4f4d9
- SHA512 8f093bd88531d8ad51d38dd65c2f86a9504c6b8baeae420063c177be165b457a5cd3aa056a4d6ce62cdbce1e3103a3356a6e8ce484107a0ed39ba350eed6a4ea
- SSDEEP 3072:l7j8+rG6U565PSTqe7lQ9MxP4cG2YwGQsKWQINYUzM2eExzNYChV:h4Ly5a2OdvXDyJ/xv
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4176-133-0x0000000000790000-0x0000000000799000-memory.dmp family_smokeloader behavioral2/memory/5104-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5104-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5104-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4176 set thread context of 5104 4176 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 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 5104 file.exe 5104 file.exe 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3044 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5104 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4176 wrote to memory of 5104 4176 file.exe 79 PID 4176 wrote to memory of 5104 4176 file.exe 79 PID 4176 wrote to memory of 5104 4176 file.exe 79 PID 4176 wrote to memory of 5104 4176 file.exe 79 PID 4176 wrote to memory of 5104 4176 file.exe 79 PID 4176 wrote to memory of 5104 4176 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:4176 -
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:5104
-