Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
08/02/2023, 14:12
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 320KB
- Sample230208-rht34abe23
- SHA256 ed28f8a873bcef79c93d6bf892017b3da29669b162f3848f03bb463e23125afd
- MD5 5a8e64b9ced5554d02596fab4ff1df44
- SHA1 92da938c667b93ae3fa7724ee2fbd0850011ec14
- SHA512 3b7f05bf796d4273b6b0aa0ef661d8b7b9e6f97d6f897a4c5604d7c40510b3ed7644169b44668d50b6b979ffcb93375b978ea69bfcf8c71c7a356749f5669983
- SSDEEP 3072:4PP7xuGxKRNLNLwQYCSLtZsa9qFEmevXUU9xktZaRLStKRxhUw:437xciFLPt9qFEmTkRgtKB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3332-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1044-135-0x0000000000760000-0x0000000000769000-memory.dmp family_smokeloader behavioral2/memory/3332-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3332-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1044 set thread context of 3332 1044 file.exe 82 - 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 3332 file.exe 3332 file.exe 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2584 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3332 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1044 wrote to memory of 3332 1044 file.exe 82 PID 1044 wrote to memory of 3332 1044 file.exe 82 PID 1044 wrote to memory of 3332 1044 file.exe 82 PID 1044 wrote to memory of 3332 1044 file.exe 82 PID 1044 wrote to memory of 3332 1044 file.exe 82 PID 1044 wrote to memory of 3332 1044 file.exe 82
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:1044 -
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:3332
-