Analysis
- max time kernel
150s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
25/03/2023, 02:43
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
7 signatures
150 seconds
General
- Target setup.exe
- Size 246KB
- Sample230325-c7khmach6t
- SHA256 1e7e5648d41a883afc03b1565cb5f7c5712b49562bf64ddd25787c6cb3fa4389
- MD5 c6dcf1137c239b05a6ea09f138961cad
- SHA1 e49a91a70d5cf831719a6fcd38f21f611930f03a
- SHA512 17908f8868baf300cb3154d958c3216c40f896a4869a78e2bf30068a3c47400359afc6eb6f4c5a465643f504d01c20ac9d1734197a818aa6544a649e8c0eb5da
- SSDEEP 3072:9WdZzhoXOLgdDAgTn/QfWuDHUUgELdSeViiYch50r5cvd0WNObVq:INcTbS3LdSeVBYc7Cmd0j
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
sprg
Extracted
Family
-
smokeloader
Version
-
2022
C2
-
http://hoh0aeghwugh2gie.com/
-
http://hie7doodohpae4na.com/
-
http://aek0aicifaloh1yo.com/
-
http://yic0oosaeiy7ahng.com/
-
http://wa5zu7sekai8xeih.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- 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 5084 setup.exe 5084 setup.exe 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2788 Process not Found - Suspicious behavior: MapViewOfSection 19 IoCs
pid Process 5084 setup.exe 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found - Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 2788 wrote to memory of 1812 2788 Process not Found 84 PID 2788 wrote to memory of 1812 2788 Process not Found 84 PID 2788 wrote to memory of 1812 2788 Process not Found 84 PID 2788 wrote to memory of 1812 2788 Process not Found 84 PID 2788 wrote to memory of 1704 2788 Process not Found 85 PID 2788 wrote to memory of 1704 2788 Process not Found 85 PID 2788 wrote to memory of 1704 2788 Process not Found 85 PID 2788 wrote to memory of 1836 2788 Process not Found 86 PID 2788 wrote to memory of 1836 2788 Process not Found 86 PID 2788 wrote to memory of 1836 2788 Process not Found 86 PID 2788 wrote to memory of 1836 2788 Process not Found 86 PID 2788 wrote to memory of 1368 2788 Process not Found 87 PID 2788 wrote to memory of 1368 2788 Process not Found 87 PID 2788 wrote to memory of 1368 2788 Process not Found 87 PID 2788 wrote to memory of 2080 2788 Process not Found 88 PID 2788 wrote to memory of 2080 2788 Process not Found 88 PID 2788 wrote to memory of 2080 2788 Process not Found 88 PID 2788 wrote to memory of 2080 2788 Process not Found 88 PID 2788 wrote to memory of 2668 2788 Process not Found 89 PID 2788 wrote to memory of 2668 2788 Process not Found 89 PID 2788 wrote to memory of 2668 2788 Process not Found 89 PID 2788 wrote to memory of 2668 2788 Process not Found 89 PID 2788 wrote to memory of 3100 2788 Process not Found 90 PID 2788 wrote to memory of 3100 2788 Process not Found 90 PID 2788 wrote to memory of 3100 2788 Process not Found 90 PID 2788 wrote to memory of 3100 2788 Process not Found 90 PID 2788 wrote to memory of 3352 2788 Process not Found 91 PID 2788 wrote to memory of 3352 2788 Process not Found 91 PID 2788 wrote to memory of 3352 2788 Process not Found 91 PID 2788 wrote to memory of 2368 2788 Process not Found 92 PID 2788 wrote to memory of 2368 2788 Process not Found 92 PID 2788 wrote to memory of 2368 2788 Process not Found 92 PID 2788 wrote to memory of 2368 2788 Process not Found 92 - 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\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5084
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1812
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1704
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1836
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1368
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2080
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2668
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3100
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3352
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2368