Analysis
- max time kernel
150s - max time network
31s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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 1656 set thread context of 1752 1656 file.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 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 1752 file.exe 1752 file.exe 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1248 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1752 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1656 wrote to memory of 1752 1656 file.exe 28 PID 1656 wrote to memory of 1752 1656 file.exe 28 PID 1656 wrote to memory of 1752 1656 file.exe 28 PID 1656 wrote to memory of 1752 1656 file.exe 28 PID 1656 wrote to memory of 1752 1656 file.exe 28 PID 1656 wrote to memory of 1752 1656 file.exe 28 PID 1656 wrote to memory of 1752 1656 file.exe 28
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:1656 -
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:1752
-