Analysis
- max time kernel
151s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
28/03/2023, 01:15
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 250KB
- Sample230328-bl84esaa71
- SHA256 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6
- MD5 04e32b3bd11f6233afb0e106da867aa8
- SHA1 c4750a98073df743fe04bf542df0faee2bdea4c5
- SHA512 233f6d94ab81501e652cc6dd326f61416b37429b068dd0105951c8f8f01e61f57f27b20492309858e188d8cb639e34fecc0e0b9880bd846e3e5fac4420356c16
- SSDEEP 3072:nVuaHyfVd/lxLLqfe5FRPN4pdWBVAyeO3jBJr2GOOIpzjdwj5Ev/Hc:oOyfJxLeEidnGOTFjb
- 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 3208 set thread context of 2380 3208 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 2380 setup.exe 2380 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 2380 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3208 wrote to memory of 2380 3208 setup.exe 82 PID 3208 wrote to memory of 2380 3208 setup.exe 82 PID 3208 wrote to memory of 2380 3208 setup.exe 82 PID 3208 wrote to memory of 2380 3208 setup.exe 82 PID 3208 wrote to memory of 2380 3208 setup.exe 82 PID 3208 wrote to memory of 2380 3208 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:3208 -
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:2380
-