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
31/03/2023, 01:10
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
win10v2004-20230221-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target setup.exe
- Size 226KB
- Sample230331-bjd59shd8v
- SHA256 ed12be618473902b7d05aec6def6e02a1aaee7e9b2f21866d2a3104c16a2832c
- MD5 2ccf3a050a103a30e35b1479014fbc1b
- SHA1 c3b01d11c40422de2e925a2060d05b55760e4c05
- SHA512 7984a899b5c73ae6f53928504cfd531f2b4b6a13133a715d055f716ecf64b316bbe3d0caa0bafcd0358d0c17f5fed7fe8d4845701f88c783d0233b67f014977d
- SSDEEP 3072:upiFFpG3Wq+WJYd9TBbkLEKpQA0fC+I+xkD9fS/f9G3AZqaTrKfFue4hsU3Z8s0:uYY3WPiYdIl0fa++FS/f9EgqanF/
- 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 624 set thread context of 1592 624 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 1592 setup.exe 1592 setup.exe 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1248 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1592 setup.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 setup.exe 28 PID 624 wrote to memory of 1592 624 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:624 -
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:1592
-