Analysis
- max time kernel
151s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
01/04/2023, 01:56
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 249KB
- Sample230401-ccp5mafc28
- SHA256 b6b7d973098b3f3d2f652cdae56c8b4f3f6380821b9f0056012c4969c93cce48
- MD5 c927c39d18ec8f4485f14be6a8f40bee
- SHA1 56c0cf9d022999902332b3211e91cd6f186fa2fe
- SHA512 567d22b375c3e39298ea1a6c2f4705d8d6effdd07e0e4f9630fb2d68974763ee991a9e1d534d2415338cdd0ff3b1505831b74ba37e47bae082e5c30a4dd88392
- SSDEEP 3072:45c4dFo7p8XS/hmcRTauGyOUJR7dj9RFvLmVqtCBg9NG6v:J4diWS/HlXl9/vyoJJ
- 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 2604 set thread context of 1896 2604 setup.exe 83 - 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 1896 setup.exe 1896 setup.exe 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3136 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1896 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2604 wrote to memory of 1896 2604 setup.exe 83 PID 2604 wrote to memory of 1896 2604 setup.exe 83 PID 2604 wrote to memory of 1896 2604 setup.exe 83 PID 2604 wrote to memory of 1896 2604 setup.exe 83 PID 2604 wrote to memory of 1896 2604 setup.exe 83 PID 2604 wrote to memory of 1896 2604 setup.exe 83 - 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:2604 -
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:1896
-