Analysis
- max time kernel
150s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
06/04/2023, 01:16
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 189KB
- Sample230406-bmtp5acf3t
- SHA256 535efc7e7039d10bc61fdf9bdf67dd6d04f3136dfc9d64fcef4daef7480f23de
- MD5 754bfb6e26affa258c731c6dd1dadb75
- SHA1 e03f17d2740d27f32c7f619e983a6c1363514b50
- SHA512 ed713e974e4f80e1d9412cbf5e76b92b230b90fdfd4d9859f87235732a620655764467668dd5c0c040211702900c6ef0ecec7f7074bf80b5c2f9ad78e1c4abf0
- SSDEEP 1536:AhJrKChi9OCbR/kKEfnXupbkqjpQYTEVe4R3DOn5FUywNOJMM1jSGLDHj5zqzlTi:ArhQGnXMb5D/kyn2xl0D5zqZTY9TIx
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
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 4348 set thread context of 2296 4348 setup.exe 82 - 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 2296 setup.exe 2296 setup.exe 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found 3180 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3180 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2296 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4348 wrote to memory of 2296 4348 setup.exe 82 PID 4348 wrote to memory of 2296 4348 setup.exe 82 PID 4348 wrote to memory of 2296 4348 setup.exe 82 PID 4348 wrote to memory of 2296 4348 setup.exe 82 PID 4348 wrote to memory of 2296 4348 setup.exe 82 PID 4348 wrote to memory of 2296 4348 setup.exe 82 - 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:4348 -
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:2296
-