Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
06/01/2023, 12:25
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 312KB
- Sample230106-pllvsabf3z
- SHA256 ed7bda5c9ea12172e721c51ac482b8e29f91c80592ff6d6e2f3d05c8a165fe56
- MD5 c216001041d588a9870ca6fd002aea90
- SHA1 29cca972b9d2a18cf7a62ef3cdb2da26f421457d
- SHA512 aa1cb136ba49e508c7164a26f326b96c8b7eda4199398fab36c653c646cb72967562faab41a33b4e0c1a57d8028864958210416baf66e25984e08e9b330e9077
- SSDEEP 3072:fHXaJLWxYKGNc5EgjSZ9k29wJAqqbFF+qHFnRdPOK5twsQFUs2wVCaSzdeO:/eLW9UBCx29Wv6FFBlnRdWKQFpor
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4732-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4712-135-0x0000000002E90000-0x0000000002E99000-memory.dmp family_smokeloader behavioral2/memory/4732-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4732-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4712 set thread context of 4732 4712 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 4732 file.exe 4732 file.exe 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found 2184 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2184 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4732 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4712 wrote to memory of 4732 4712 file.exe 81 PID 4712 wrote to memory of 4732 4712 file.exe 81 PID 4712 wrote to memory of 4732 4712 file.exe 81 PID 4712 wrote to memory of 4732 4712 file.exe 81 PID 4712 wrote to memory of 4732 4712 file.exe 81 PID 4712 wrote to memory of 4732 4712 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:4712 -
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:4732
-