Analysis
- max time kernel
150s - max time network
34s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
14/02/2023, 04:27
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 195KB
- Sample230214-e23s5aaf99
- SHA256 98ddbf192242a49b18fcd36c04c4f18814c29c8da0332593805620b114d4c7cd
- MD5 9183f6f0df1f025130f38baccbd302fd
- SHA1 35201edc00d01fdadd577d856db96ef2cb562078
- SHA512 2359c499bca8ce7fef9345b6b858f09ae0939869e88212a22586ccd93e2c959ae1d45e96643cf8291474681ea293fc325ac40c84c5bbda1ff392f152c81be9d4
- SSDEEP 3072:1pdluRa5zKmgB+iuBUmdFOttzCFPSNYFt4nzZuEV5FiSh6kzuj:1EcKrammdFYtfet4zZuEV5FHh6r
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1692-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1692-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1632-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1692-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1692-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1632 set thread context of 1692 1632 file.exe 27 - 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 1692 file.exe 1692 file.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1232 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1692 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1632 wrote to memory of 1692 1632 file.exe 27 PID 1632 wrote to memory of 1692 1632 file.exe 27 PID 1632 wrote to memory of 1692 1632 file.exe 27 PID 1632 wrote to memory of 1692 1632 file.exe 27 PID 1632 wrote to memory of 1692 1632 file.exe 27 PID 1632 wrote to memory of 1692 1632 file.exe 27 PID 1632 wrote to memory of 1692 1632 file.exe 27
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:1632 -
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:1692
-