Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/11/2022, 22:06
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 324KB
- Sample221102-1z2zpscbf2
- SHA256 d1a85de59f4b5053fe12180ea3af73c1bcff54332a11e31dd47481e2363964e2
- MD5 3d3cd0e641bcdb49e2c08dcaf850ee95
- SHA1 273b427e376d88ba99f0729044a51a68f471d3a7
- SHA512 0046b79fca11de24b2415294ab05ec304166570d98485497f495b1db7f03c5ad7d9cace4a23d5595454fe3a453206cd4c36e7fa41c934b5fadd7a8e11bacea7b
- SSDEEP 3072:KU/3JVLwL/eoSS5W+ja9MdxMbPIB+Xe6QIaeVggjcGkNIVqILr:f/5VLwazee3bXu6QDW7ITsq
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2228-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4728-135-0x0000000002DB0000-0x0000000002DB9000-memory.dmp family_smokeloader behavioral2/memory/2228-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2228-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4728 set thread context of 2228 4728 file.exe 80 - 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 2228 file.exe 2228 file.exe 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 376 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2228 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4728 wrote to memory of 2228 4728 file.exe 80 PID 4728 wrote to memory of 2228 4728 file.exe 80 PID 4728 wrote to memory of 2228 4728 file.exe 80 PID 4728 wrote to memory of 2228 4728 file.exe 80 PID 4728 wrote to memory of 2228 4728 file.exe 80 PID 4728 wrote to memory of 2228 4728 file.exe 80
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:4728 -
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:2228
-