Analysis
- max time kernel
151s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system - submitted
24/04/2023, 16:02
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230221-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 325KB
- Sample230424-tgryfsch97
- SHA256 b8575c68058ec0f8ad9be38e9ddd88937fa7099fe216c6598777cfbcd240cacb
- MD5 0d16b13ba328db7a22b0243804b4bd98
- SHA1 ce3ac1789f41af233a285ad6488c4aacfc93fb20
- SHA512 f8cdf2d1447e59c822e8186c7c8b1a87053020582a41aa195b324e7add92cb96e18bd88e95acca28a1c0d9e0c23240cf938d5525ad57fc36985fd511296c9cae
- SSDEEP 6144:XsbQ5PQ1RmimMlFjqdw1yACGG2sUK+oRZtpBTV:XsbOimiTFIwM52sUK+gPpr
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
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 4560 set thread context of 2336 4560 file.exe 83 - 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 2336 file.exe 2336 file.exe 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3164 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2336 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4560 wrote to memory of 2336 4560 file.exe 83 PID 4560 wrote to memory of 2336 4560 file.exe 83 PID 4560 wrote to memory of 2336 4560 file.exe 83 PID 4560 wrote to memory of 2336 4560 file.exe 83 PID 4560 wrote to memory of 2336 4560 file.exe 83 PID 4560 wrote to memory of 2336 4560 file.exe 83 - 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4560 -
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:2336
-