Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
30/03/2023, 00:52
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 248KB
- Sample230330-a73yvsad86
- SHA256 c0963c6bcc7e76b68c50177807d843dcb43aa58b2ad67bb8d7d3689f4ee00143
- MD5 61f9a1d18a0c61a1c2cb999c8b27f62e
- SHA1 a18eb6ea843f780cd364844e553a6d7eba573ccb
- SHA512 3e6cc267f773b69d2427c1b743cb994ac954162a999b303af0d6ee50d03f8341d8b36bcec57cf1e36529c98cbe90269de40c4bf0ad72a59705107637a457a27d
- SSDEEP 3072:z3PSzkpQ0Y8XPD193LBWwl6Of1p1QRrllZZx2IurU/r0Ewt483Zph:GzkKuPD1JLBn6ONpgPxuG0E+3
- 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 5072 set thread context of 3212 5072 setup.exe 78 - 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 3212 setup.exe 3212 setup.exe 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3156 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3212 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5072 wrote to memory of 3212 5072 setup.exe 78 PID 5072 wrote to memory of 3212 5072 setup.exe 78 PID 5072 wrote to memory of 3212 5072 setup.exe 78 PID 5072 wrote to memory of 3212 5072 setup.exe 78 PID 5072 wrote to memory of 3212 5072 setup.exe 78 PID 5072 wrote to memory of 3212 5072 setup.exe 78 - 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:5072 -
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:3212
-