Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
11/01/2023, 03:16
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
8 signatures
150 seconds
General
- Target file.exe
- Size 268KB
- Sample230111-dsgnvsac94
- SHA256 afbe90f5a9dfd802bdf99402b05ef01f66ed84b66a71656cccb0be66236e52fa
- MD5 4c7c8ecd28181e6c5237385b92036ba1
- SHA1 2bc2879c86b207a3939d16ee949e9a3612ad1cfd
- SHA512 adc4b3737677eb475548773cc9a8e6359ad0f9b3b47714161b27d33f68bde9551bd7a4110d08ae97f6a9da8443656dfdc0dde4b4a13f893840ffe94784a769dd
- SSDEEP 3072:ZxXEtFvPpgffyLL8PTQrtJa/s5e/34DRzANc4Guty2S+Ftj8nsTpuWaLBNCanngs:ZVY2XyLHt0/UDRz0AHh+zj8r9Nng6
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3392-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2352-135-0x0000000002D00000-0x0000000002D09000-memory.dmp family_smokeloader behavioral2/memory/3392-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3392-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2352 set thread context of 3392 2352 file.exe 80 - 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 3392 file.exe 3392 file.exe 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 600 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3392 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2352 wrote to memory of 3392 2352 file.exe 80 PID 2352 wrote to memory of 3392 2352 file.exe 80 PID 2352 wrote to memory of 3392 2352 file.exe 80 PID 2352 wrote to memory of 3392 2352 file.exe 80 PID 2352 wrote to memory of 3392 2352 file.exe 80 PID 2352 wrote to memory of 3392 2352 file.exe 80
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:2352 -
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:3392
-