Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
20/03/2023, 11:35
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target setup.exe
- Size 291KB
- Sample230320-np1mnsfc7s
- SHA256 327cadba2fad2913e5fcaba43bb26a14e2d4a49ca679bf449cd317797792845b
- MD5 80945b6890a6028979543a53d4634b8f
- SHA1 7ea497ce5676ede7c12adda837b78bb7646983bb
- SHA512 c0ccead1fe212dd742d5cef1f9afd72be24b17bd81fe1ff7d218907d44604bc333df0ad34fad3a716822e6d28d367b598fde4ae44785ac19180435e770353d38
- SSDEEP 3072:M32XmnRLo6BYqljvMQYfvkX/QEHmVqC/aRM1t7luJcxu65n/zJhMI:8nRLoWlAQXQEGAQ+2umxN/dhMI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
lab
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3852 set thread context of 1488 3852 setup.exe 85 - 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 setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1488 setup.exe 1488 setup.exe 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3156 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1488 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3852 wrote to memory of 1488 3852 setup.exe 85 PID 3852 wrote to memory of 1488 3852 setup.exe 85 PID 3852 wrote to memory of 1488 3852 setup.exe 85 PID 3852 wrote to memory of 1488 3852 setup.exe 85 PID 3852 wrote to memory of 1488 3852 setup.exe 85 PID 3852 wrote to memory of 1488 3852 setup.exe 85 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1488
-