Analysis
- max time kernel
150s - max time network
34s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
27/03/2023, 01:24
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 275KB
- Sample230327-bsdk4aah86
- SHA256 ff2349d0baa3d38b56f1251ad1299c07d9ebf947a38c6bce1122482ed4aa48c7
- MD5 2144c8e0d1460cdf01d0987db923b51b
- SHA1 e6deda28bc839e84ded290581e5a53c69b2be2b7
- SHA512 aec9bcbbe7d4b88ffc755fc71dd25976cebe0190d8d43ed32209bf60d0e140218a23468879b9d819d1bbc2fa255b1d3e705fad2f502153480cae76ccf18463a1
- SSDEEP 6144:6BTRXMOh6XFaUYsljv013RoSdl/mNN4T:6TRXNh6XFNYs5v013eSdYN
- 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 1720 set thread context of 1628 1720 setup.exe 28 - 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 1628 setup.exe 1628 setup.exe 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1212 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1628 setup.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28 PID 1720 wrote to memory of 1628 1720 setup.exe 28
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:1720 -
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:1628
-