Analysis
- max time kernel
191s - max time network
194s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2022, 08:21
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
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 276KB
- Sample221202-j82lvsda8v
- SHA256 8239b046a1da2437feab39ea53b0f382c66809efbbb37394e1838d73ea92701c
- MD5 ce1b406c6ff4e8271614d241505feb28
- SHA1 907eaed629178887c155d7f81716dfc981c56381
- SHA512 7addeab7b5c179988efe0ec166f53bc084e50b7101c135aee1c9b6771ab6855de5a779463a9748c4574177f2de82ccb75ed6884176ea3edfb1164033b8263364
- SSDEEP 3072:e1eH86lbZLaqr6etq5qVnrYQicVzeofSZl9+/YcElHKzhIh3eGjMgG1ao5Lc:YqZLNr6enVrYiVzxfSVhUzuRjMgU
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5012-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3352-135-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/5012-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5012-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3352 set thread context of 5012 3352 file.exe 85 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5012 file.exe 5012 file.exe 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2340 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5012 file.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3352 wrote to memory of 5012 3352 file.exe 85 PID 3352 wrote to memory of 5012 3352 file.exe 85 PID 3352 wrote to memory of 5012 3352 file.exe 85 PID 3352 wrote to memory of 5012 3352 file.exe 85 PID 3352 wrote to memory of 5012 3352 file.exe 85 PID 3352 wrote to memory of 5012 3352 file.exe 85
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:3352 -
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:5012
-