Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
10/01/2023, 04:35
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 327KB
- Sample230110-e7nw6aga6x
- SHA256 b8f204e631a5a4fa4244878060cd249a63df9fbbc2ad8b8e01b0936b943cbd4a
- MD5 3ca36972593202bb097af631b2e5ddec
- SHA1 31d8a1cb4d7fe1edccf3f10a97751a6c9c1062bc
- SHA512 0c6326f349c988047f13a8ec617e0a8dcfedd5811988c4ee0743c65a01e832140065ae3b71b7a2099310f4e6c63a1be5620821be52221a1270a368c297cfb021
- SSDEEP 6144:EABZ5fwEY3NZE/AYcIsn8ZoAT2xreZ7dBA0Xzf8JY:Ek1nYdZVtznjAsrezD8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1256-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1256-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1204-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1256-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1256-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1204 set thread context of 1256 1204 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 1256 file.exe 1256 file.exe 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1264 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1256 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1204 wrote to memory of 1256 1204 file.exe 28 PID 1204 wrote to memory of 1256 1204 file.exe 28 PID 1204 wrote to memory of 1256 1204 file.exe 28 PID 1204 wrote to memory of 1256 1204 file.exe 28 PID 1204 wrote to memory of 1256 1204 file.exe 28 PID 1204 wrote to memory of 1256 1204 file.exe 28 PID 1204 wrote to memory of 1256 1204 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:1204 -
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:1256
-