Analysis
- max time kernel
150s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
24/12/2022, 10:22
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 226KB
- Sample221224-md8ngadb2s
- SHA256 6bf46f5640b8fc9e2b5ca3ee9442af5a3dfd69565de94f1d58133b4b19ff0fd7
- MD5 1d66a57afd9cd080bc858b67122a9564
- SHA1 8246f5a0ef6bf064226ee6fd5f5176019a489e1f
- SHA512 90217635f3084dfe662529fb823e16de7f3f161e9c36135b481d38fce560e85ee04e02a45a7b342d71687441e6c05fe6a7f62c10bcf2cd01f7456bd1a1e2a955
- SSDEEP 3072:oDggxLK0Z+XN52Sbamj2fJTxtJuaCdCKNZ9cauDLS3Jf/ln:uxLKDruu2B9uaCdCKNZ+aMLSv
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2268-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4800-135-0x00000000007F0000-0x00000000007F9000-memory.dmp family_smokeloader behavioral2/memory/2268-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2268-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4800 set thread context of 2268 4800 file.exe 81 - 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 2268 file.exe 2268 file.exe 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found 968 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 968 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2268 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4800 wrote to memory of 2268 4800 file.exe 81 PID 4800 wrote to memory of 2268 4800 file.exe 81 PID 4800 wrote to memory of 2268 4800 file.exe 81 PID 4800 wrote to memory of 2268 4800 file.exe 81 PID 4800 wrote to memory of 2268 4800 file.exe 81 PID 4800 wrote to memory of 2268 4800 file.exe 81
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:4800 -
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:2268
-