Analysis
- max time kernel
151s - max time network
147s - 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, 23:28
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 324KB
- Sample221102-3fzrcacfg2
- SHA256 befd07876de7a3dfbdc740fe0fa18ea5328807a0cefbaa7bc78a4db5304b9255
- MD5 eec942c651150541599f6ac961c01db4
- SHA1 3a285565e85b4ce2b8b369a9d076eda1782f0b52
- SHA512 9f106995fe82c61e76e4b268936978a83a47ddd91cb9478b1a3839be38cb4ea022bdc96a3b722e18f7b2b208f335eeb60e4d068d1792bce0d436f89c0afcf4ae
- SSDEEP 3072:NY/xDLOw/EkiS5VYl1jWBJlJ5IvjxFXQhdmMoCkhLB/B6VggjcGkNIVqILr:G/RLOzP6Mj+JlJ5s11QhdMXBC7ITsq
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/2432-133-0x0000000002D90000-0x0000000002D99000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 228 erwgsws - Checks SCSI registry key(s) 3 TTPs 6 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 erwgsws Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI erwgsws Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI erwgsws 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 2432 file.exe 2432 file.exe 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2560 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2432 file.exe 228 erwgsws
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2432
-
C:\Users\Admin\AppData\Roaming\erwgswsC:\Users\Admin\AppData\Roaming\erwgsws1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:228
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\erwgsws
- Size 324KB
- SHA256 befd07876de7a3dfbdc740fe0fa18ea5328807a0cefbaa7bc78a4db5304b9255
- MD5 eec942c651150541599f6ac961c01db4
- SHA1 3a285565e85b4ce2b8b369a9d076eda1782f0b52
- SHA512 9f106995fe82c61e76e4b268936978a83a47ddd91cb9478b1a3839be38cb4ea022bdc96a3b722e18f7b2b208f335eeb60e4d068d1792bce0d436f89c0afcf4ae
- SSDEEP 3072:NY/xDLOw/EkiS5VYl1jWBJlJ5IvjxFXQhdmMoCkhLB/B6VggjcGkNIVqILr:G/RLOzP6Mj+JlJ5s11QhdMXBC7ITsq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\erwgsws
- Size 324KB
- SHA256 befd07876de7a3dfbdc740fe0fa18ea5328807a0cefbaa7bc78a4db5304b9255
- MD5 eec942c651150541599f6ac961c01db4
- SHA1 3a285565e85b4ce2b8b369a9d076eda1782f0b52
- SHA512 9f106995fe82c61e76e4b268936978a83a47ddd91cb9478b1a3839be38cb4ea022bdc96a3b722e18f7b2b208f335eeb60e4d068d1792bce0d436f89c0afcf4ae
- SSDEEP 3072:NY/xDLOw/EkiS5VYl1jWBJlJ5IvjxFXQhdmMoCkhLB/B6VggjcGkNIVqILr:G/RLOzP6Mj+JlJ5s11QhdMXBC7ITsq
- MD5 SHA1 SHA512 SSDEEP