Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
01/04/2023, 01:29
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
10 signatures
150 seconds
General
- Target setup.exe
- Size 217KB
- Sample230401-bv85safa66
- SHA256 eb68008955ec7c622249003cd027637f905acbb708a07bfb30fc614989400203
- MD5 3c3275f46cf246eccbbcfa6a9f3dd933
- SHA1 b5df18909c4f170cdbf093f1050b60adf8e90a70
- SHA512 9485fe87e3a9a18fb976060aedafb83af059f65698c307e22c74b3cfb24200c8c589b98751cef23d27390c5ffff37b1d78c737c0d6709e39201f4862464a747a
- SSDEEP 3072:vDiyawkEvL7Jusb52y246xRSDl+Qd28AzfkZhFppwnT5gTORV1om+X:+4kEws3DMmdd+IZhFvwmTO/1orX
- 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 1192 set thread context of 1356 1192 setup.exe 28 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1356 setup.exe 1356 setup.exe 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found 1256 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1256 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1356 setup.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28 PID 1192 wrote to memory of 1356 1192 setup.exe 28
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:1192 -
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:1356
-