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
09/01/2023, 08:22
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 353KB
- Sample230109-j9kdzade53
- SHA256 e33940673d194b243f8cb64a6efad600e15151b92b8f9345df49ef877ef290d1
- MD5 057abead6ce7d5ea83a93bfdbe94135a
- SHA1 cf8e590a095bc690c718f3080edc5b5b5625a004
- SHA512 ae3c981f29f0cf8ae86f29fa473f2155e5bb15a986b5836f6fd5991d39e7a697ba8083684bfaf9001883c953e66f3cd498d7c1d538e49f35d70e728976386f5a
- SSDEEP 6144:qap2E+LEKKGtmqavOt/PIOMK0/nVuCWRFCFuedmwY++g:qapp+gKectn9MKIu9tuY++g
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3620-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4264-135-0x0000000003090000-0x0000000003099000-memory.dmp family_smokeloader behavioral2/memory/3620-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3620-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4264 set thread context of 3620 4264 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 3620 file.exe 3620 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 3620 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4264 wrote to memory of 3620 4264 file.exe 80 PID 4264 wrote to memory of 3620 4264 file.exe 80 PID 4264 wrote to memory of 3620 4264 file.exe 80 PID 4264 wrote to memory of 3620 4264 file.exe 80 PID 4264 wrote to memory of 3620 4264 file.exe 80 PID 4264 wrote to memory of 3620 4264 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:4264 -
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:3620
-