Analysis
- max time kernel
151s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
01/01/2023, 05:37
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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 239KB
- Sample230101-ga5vhsbc33
- SHA256 1420792c778ff38dee7268f2c2b4e9907e83259e6a5df2c1546769a9b9670992
- MD5 13f7e77088d4fcbb8f05642a699b7f87
- SHA1 73732b8f057741de34253ead1fc34b7fdc04c281
- SHA512 e0db2b83b5630c1c30250990a68094c4ae41abec3216594a52746a70e7607325d8884ebaf343ab7c9448869ec03458e6408da7f2ea2ea9f79e61f74c8dbcc5c4
- SSDEEP 3072:1lXJdyVLs3EFPk5r0aLjQjCjIsT3Y/cOmqLqCl27hZY:3ALHPmQGkw3Y/cNE9wZY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2324-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1180-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/2324-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2324-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1180 set thread context of 2324 1180 file.exe 81 - 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 2324 file.exe 2324 file.exe 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3032 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2324 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1180 wrote to memory of 2324 1180 file.exe 81 PID 1180 wrote to memory of 2324 1180 file.exe 81 PID 1180 wrote to memory of 2324 1180 file.exe 81 PID 1180 wrote to memory of 2324 1180 file.exe 81 PID 1180 wrote to memory of 2324 1180 file.exe 81 PID 1180 wrote to memory of 2324 1180 file.exe 81
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:1180 -
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:2324
-