Analysis
- max time kernel
151s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
10/07/2023, 21:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230703-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230703-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 239KB
- Sample230710-1ercgaef8w
- SHA256 303cfe01cf0a8b0815b0e91080e6cb8d3a1b3e8052a969449bd9008decd8fcd4
- MD5 c4d2cf79f511e2e32babcc981ddf09af
- SHA1 855bf36cc105f26c996fcb1d70f633b9c87a9363
- SHA512 7dae1d06a894c5e1b8280bc1334bcc4b1a6e46cb97395413fe0c8e308ff760d1a64157ee74ad43e45900e4822636b5ed2174aaaf85d3450984b2eba790808b63
- SSDEEP 3072:JJlU/xLw8P57Hew60fWbvXlQ8NSmK8dCANBoRh5lU4ydDBy53WTwV//i:SxLwSiw60+bvXCSCzAyU4ydD1TM/
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
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 2824 set thread context of 5032 2824 file.exe 86 - 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5032 file.exe 5032 file.exe 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3124 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5032 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2824 wrote to memory of 5032 2824 file.exe 86 PID 2824 wrote to memory of 5032 2824 file.exe 86 PID 2824 wrote to memory of 5032 2824 file.exe 86 PID 2824 wrote to memory of 5032 2824 file.exe 86 PID 2824 wrote to memory of 5032 2824 file.exe 86 PID 2824 wrote to memory of 5032 2824 file.exe 86 - 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5032
-