Analysis
- max time kernel
150s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
26/09/2022, 01:58
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
5 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 171KB
- Sample220926-cdt5zaabaq
- SHA256 36bcd50056e237337fa39ea03e2f11d7916f932a3309bb7733998ceb6b66c623
- MD5 11581bd3de63c39576181f6078428920
- SHA1 84a31cad67a3f33a584115c175aad2de75f926e4
- SHA512 a6749853db99de6c260a2c9d489fff89caa2abfbb7ba8fabc2f06efbf6aa48e39e13c4f202673da81433d921ff543a81d2077bab5c0b9e42d4ad448466848578
- SSDEEP 3072:218QBM8mOs8uq35uH4O7RnRN/W3cBBBUUFM76G1YgHiRl2PIByqZKS5x:nY+4O7p/W8BUUFeYguvZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4636-133-0x00000000022C0000-0x00000000022C9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 1504 schisau - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI schisau Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI schisau Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI schisau 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 4636 file.exe 4636 file.exe 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2416 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4636 file.exe 1504 schisau
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:4636
-
C:\Users\Admin\AppData\Roaming\schisauC:\Users\Admin\AppData\Roaming\schisau1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1504
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\schisau
- Size 171KB
- SHA256 36bcd50056e237337fa39ea03e2f11d7916f932a3309bb7733998ceb6b66c623
- MD5 11581bd3de63c39576181f6078428920
- SHA1 84a31cad67a3f33a584115c175aad2de75f926e4
- SHA512 a6749853db99de6c260a2c9d489fff89caa2abfbb7ba8fabc2f06efbf6aa48e39e13c4f202673da81433d921ff543a81d2077bab5c0b9e42d4ad448466848578
- SSDEEP 3072:218QBM8mOs8uq35uH4O7RnRN/W3cBBBUUFM76G1YgHiRl2PIByqZKS5x:nY+4O7p/W8BUUFeYguvZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\schisau
- Size 171KB
- SHA256 36bcd50056e237337fa39ea03e2f11d7916f932a3309bb7733998ceb6b66c623
- MD5 11581bd3de63c39576181f6078428920
- SHA1 84a31cad67a3f33a584115c175aad2de75f926e4
- SHA512 a6749853db99de6c260a2c9d489fff89caa2abfbb7ba8fabc2f06efbf6aa48e39e13c4f202673da81433d921ff543a81d2077bab5c0b9e42d4ad448466848578
- SSDEEP 3072:218QBM8mOs8uq35uH4O7RnRN/W3cBBBUUFM76G1YgHiRl2PIByqZKS5x:nY+4O7p/W8BUUFeYguvZ
- MD5 SHA1 SHA512 SSDEEP