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
02/04/2023, 00:49
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
10 signatures
150 seconds
General
- Target setup.exe
- Size 218KB
- Sample230402-a6evmsfa7w
- SHA256 3e2a098995005be31fb1c2add68d5371c7e8cdfc0906e77f77b2526766b1a772
- MD5 d46bfe4c28ea8f730a1121e5a1d879f2
- SHA1 ee3621586e90d8776dcd352fdae32355a6615ead
- SHA512 33364c5a17cab12da5cac9cedd0191cba00808af8bf4d5934499a433bdc7e23e0df39ee77516cc7fe2fb81c1506f14b6f2082c9691a0a70bac83599c78e5aa53
- SSDEEP 3072:hWwyj0OLNtamEPrWv/+mGGbLhKzlx/33lQj5g6Cox:naD5tv/+mRKZx/lB67
- 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 1984 set thread context of 1708 1984 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1708 setup.exe 1708 setup.exe 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1268 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1708 setup.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 setup.exe 28 PID 1984 wrote to memory of 1708 1984 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:1984 -
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:1708
-