Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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 2044 set thread context of 1996 2044 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 1996 setup.exe 1996 setup.exe 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1288 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1996 setup.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 setup.exe 28 PID 2044 wrote to memory of 1996 2044 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:2044 -
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:1996
-