Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
18/01/2023, 00:02
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
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 224KB
- Sample230118-abf48aae84
- SHA256 8e6c7c4199cb082688d633e1906052bd55261cc1010c9cf76d82c86ef4af36af
- MD5 04726cc3f3f63ad1f25eede69f848321
- SHA1 bd0dbb765a732902cfe941803e22b2ae2a7db7e5
- SHA512 44f93ebdc1ba84be3ef1ca6437df8b895b721f958565a017e251c499499bb6f72b35ea22c96685eebd5d41d14bdfbf148aee55834e1cfaab1eaba19da1b7379c
- SSDEEP 3072:XDX3/bCKEzKHG9PjP5h9I0ytefDCEOEU6iSXbcqt4qnA:X7T2PjFJDxUxSXAkL
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1992-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1992-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2008-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1992-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1992-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2008 set thread context of 1992 2008 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1992 file.exe 1992 file.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 1992 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2008 wrote to memory of 1992 2008 file.exe 28 PID 2008 wrote to memory of 1992 2008 file.exe 28 PID 2008 wrote to memory of 1992 2008 file.exe 28 PID 2008 wrote to memory of 1992 2008 file.exe 28 PID 2008 wrote to memory of 1992 2008 file.exe 28 PID 2008 wrote to memory of 1992 2008 file.exe 28 PID 2008 wrote to memory of 1992 2008 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:2008 -
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:1992
-