Analysis
- max time kernel
151s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
02/04/2023, 00:51
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
- Sample230402-a7hmxsfa8t
- SHA256 3839360d8e8a552ce9feb89f88bc276c85bfeb16b6a4a6021786e4a0ccf8dde1
- MD5 9565c4e50403f986850f3ac801c689e7
- SHA1 3549fd573035fd54230821ff5bdb946d30dd4ae3
- SHA512 53757379ebf287f80e05708e089847318557c7cf47018f1ec229de16681148ef5f98d94352b08884298cf986bc07ebb1c40fc9b32595f527c000145bcc356a39
- SSDEEP 3072:1QYiyN9drOpNNkXDZ0SdaSkvIt3MnBx0OnOpCFM+m/XbVwj5gruLarg:1eCdyy07SnyBxuonm/LVhKkg
- 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 1488 set thread context of 1876 1488 setup.exe 84 - 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 1876 setup.exe 1876 setup.exe 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found 3148 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3148 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1876 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1488 wrote to memory of 1876 1488 setup.exe 84 PID 1488 wrote to memory of 1876 1488 setup.exe 84 PID 1488 wrote to memory of 1876 1488 setup.exe 84 PID 1488 wrote to memory of 1876 1488 setup.exe 84 PID 1488 wrote to memory of 1876 1488 setup.exe 84 PID 1488 wrote to memory of 1876 1488 setup.exe 84 - 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⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1488 -
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:1876
-