Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
01/04/2023, 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 218KB
- Sample230401-bsdk4afa44
- SHA256 84261828f66d19d65675a545dc4c3ee88b78ef8b75352520425167623698c249
- MD5 e1be7c5955ba037794edb57bf987cf44
- SHA1 915f9471e1898a22fd30c38062d7bee37ec0e1df
- SHA512 596ba5045df66f484b1cf32ec5e795a2f7c96673f3112b4d372b5c6a45e624a1e645daa49a24843fe5ea18964af49cd3a29a65e0df6919ab7c35482ad137f896
- SSDEEP 3072:feaLyLAlxfPZNkZmHM02dAtt+esOlKHBInQCZ5FljHOj5gKii:fP6exPHHaYt+eFlkB41Z5PbfKii
- 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 928 set thread context of 908 928 setup.exe 27 - 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 908 setup.exe 908 setup.exe 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1280 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 908 setup.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27 PID 928 wrote to memory of 908 928 setup.exe 27
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:928 -
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:908
-