Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
07/10/2022, 20:38
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 268KB
- Sample221007-zepm7sdeb9
- SHA256 76990e4d969dcc022993be6bf4a3e0b026ddafc95d83ffd8b9def8615dd99c19
- MD5 fab4d407720356e387ab603b39c61b43
- SHA1 41b4522ef8ba40ab12a2160210b86e70fc2d8d0d
- SHA512 1b0f8e853e788414bf477abed891e2d80a6aeee656692e5394603d2a19c79210621c1b0ec3fac0b31cbc67aaae60b9cfb663cd3ebace32f631b31a8452c919f9
- SSDEEP 3072:3XNHfhGqsE7PLlYhMm5yyujwxw1jhtJXqJmBd27hoo0u3p7kVggjcGkNIVqIxM/G:nFZBLlYezGwvaJmBdShf7A7ITsqe4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/452-133-0x00000000004C0000-0x00000000004C9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 4100 bsdvaaf - 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 bsdvaaf 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bsdvaaf Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bsdvaaf - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 452 file.exe 452 file.exe 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2824 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 452 file.exe 4100 bsdvaaf
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:452
-
C:\Users\Admin\AppData\Roaming\bsdvaafC:\Users\Admin\AppData\Roaming\bsdvaaf1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4100
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\bsdvaaf
- Size 268KB
- SHA256 76990e4d969dcc022993be6bf4a3e0b026ddafc95d83ffd8b9def8615dd99c19
- MD5 fab4d407720356e387ab603b39c61b43
- SHA1 41b4522ef8ba40ab12a2160210b86e70fc2d8d0d
- SHA512 1b0f8e853e788414bf477abed891e2d80a6aeee656692e5394603d2a19c79210621c1b0ec3fac0b31cbc67aaae60b9cfb663cd3ebace32f631b31a8452c919f9
- SSDEEP 3072:3XNHfhGqsE7PLlYhMm5yyujwxw1jhtJXqJmBd27hoo0u3p7kVggjcGkNIVqIxM/G:nFZBLlYezGwvaJmBdShf7A7ITsqe4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bsdvaaf
- Size 268KB
- SHA256 76990e4d969dcc022993be6bf4a3e0b026ddafc95d83ffd8b9def8615dd99c19
- MD5 fab4d407720356e387ab603b39c61b43
- SHA1 41b4522ef8ba40ab12a2160210b86e70fc2d8d0d
- SHA512 1b0f8e853e788414bf477abed891e2d80a6aeee656692e5394603d2a19c79210621c1b0ec3fac0b31cbc67aaae60b9cfb663cd3ebace32f631b31a8452c919f9
- SSDEEP 3072:3XNHfhGqsE7PLlYhMm5yyujwxw1jhtJXqJmBd27hoo0u3p7kVggjcGkNIVqIxM/G:nFZBLlYezGwvaJmBdShf7A7ITsqe4
- MD5 SHA1 SHA512 SSDEEP