Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system - submitted
23/03/2023, 02:57
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230221-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 248KB
- Sample230323-dfk6hsdb75
- SHA256 c8914f248385ff7eadb10ce1429e014d6fa8d2b85dc6eb55bd7e7da4eee42d3e
- MD5 32d38efb3beb3a1cb63b572bf9c43076
- SHA1 635e29559e6652be6fb65ac3c656f2722cb15db6
- SHA512 33c8a553139d0cc1cd55268d3bc793001fa7f9269a49c7dd8d1bf1bc8c0751c8565ffdb09854fcd647c1d0fde27f89a033357f6182ed9f76583e0ddcec89fb76
- SSDEEP 3072:tHQQqSOWvDv4di4NEhunCVUTypQ/FjogjY91vOL4gW1riy+yQ9ruMk+Ma:qRUDGfNLqUnSJFrxQAbn
- 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 1344 set thread context of 4952 1344 file.exe 85 - 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 4952 file.exe 4952 file.exe 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3164 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4952 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1344 wrote to memory of 4952 1344 file.exe 85 PID 1344 wrote to memory of 4952 1344 file.exe 85 PID 1344 wrote to memory of 4952 1344 file.exe 85 PID 1344 wrote to memory of 4952 1344 file.exe 85 PID 1344 wrote to memory of 4952 1344 file.exe 85 PID 1344 wrote to memory of 4952 1344 file.exe 85 - 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:1344 -
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:4952
-