Analysis
- max time kernel
151s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/10/2022, 04:28
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
12 signatures
150 seconds
General
- Target file.exe
- Size 146KB
- Sample221002-e3netsggh5
- SHA256 03cbb8ca55efbdabb6d4cae5d76e57c83e40d4524b08dc776cd4cd28767b5080
- MD5 ca63a3211d3b9d9e1934da08bc988fae
- SHA1 92129921bde30d300cd8bd4772c5098a6e2a013c
- SHA512 c440feee7f2d6432c5bec7e2a26283d92136ac3b9e267d88db7f20707b4c2dd6919b63bb4af22731b1da692471b018a7954364002f04a8917fb95a770ca1ef04
- SSDEEP 3072:Hx0mB5wCAsNvR/Ar46+8li96SZMNdKcn80/:e25DAsfAEWiUn8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/3012-133-0x0000000000650000-0x0000000000659000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 4944 vsijjid - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{8B46690A-B1D5-4CC7-BA6E-9CF3452A49A7}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D1DD6049-F503-4304-A674-98D10B78285D}.catalogItem svchost.exe - 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 vsijjid 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 vsijjid Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vsijjid - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3012 file.exe 3012 file.exe 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3004 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3012 file.exe 4944 vsijjid - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3004 Process not Found 3004 Process not Found 3004 Process not Found - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3004 Process not Found 3004 Process not Found 3004 Process not Found
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:3012
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2884
-
C:\Users\Admin\AppData\Roaming\vsijjidC:\Users\Admin\AppData\Roaming\vsijjid1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4944
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\vsijjid
- Size 146KB
- SHA256 03cbb8ca55efbdabb6d4cae5d76e57c83e40d4524b08dc776cd4cd28767b5080
- MD5 ca63a3211d3b9d9e1934da08bc988fae
- SHA1 92129921bde30d300cd8bd4772c5098a6e2a013c
- SHA512 c440feee7f2d6432c5bec7e2a26283d92136ac3b9e267d88db7f20707b4c2dd6919b63bb4af22731b1da692471b018a7954364002f04a8917fb95a770ca1ef04
- SSDEEP 3072:Hx0mB5wCAsNvR/Ar46+8li96SZMNdKcn80/:e25DAsfAEWiUn8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\vsijjid
- Size 146KB
- SHA256 03cbb8ca55efbdabb6d4cae5d76e57c83e40d4524b08dc776cd4cd28767b5080
- MD5 ca63a3211d3b9d9e1934da08bc988fae
- SHA1 92129921bde30d300cd8bd4772c5098a6e2a013c
- SHA512 c440feee7f2d6432c5bec7e2a26283d92136ac3b9e267d88db7f20707b4c2dd6919b63bb4af22731b1da692471b018a7954364002f04a8917fb95a770ca1ef04
- SSDEEP 3072:Hx0mB5wCAsNvR/Ar46+8li96SZMNdKcn80/:e25DAsfAEWiUn8
- MD5 SHA1 SHA512 SSDEEP