Analysis
- max time kernel
154s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
17/01/2023, 06:05
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 211KB
- Sample230117-gs6vjabb83
- SHA256 89e37cee579ce2d16a64ab1528f1e3340dfdd91cba9c443f93fcd720aa179104
- MD5 4446f327450c6c9ff7cc1ffff843a7b1
- SHA1 15265d2e107b0955719a952215259229b664f585
- SHA512 d84fcdc7fc51a5682d71f6178745168ada03060bbfbaad30630ea0e6427addab639384ad3acb56ede705682b9ef8fc9f16c1bcd426cbc6bb4e8c043ca4d2fe7c
- SSDEEP 3072:tXZsZMgrk5ykJ41f9DPNwM1rvqcHYn0flowDTKq29T2vOF1Q:p8rrkIDp1r/i2/DM9T2v2
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3068-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4892-135-0x0000000002CB0000-0x0000000002CB9000-memory.dmp family_smokeloader behavioral2/memory/3068-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3068-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4892 set thread context of 3068 4892 file.exe 83 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3068 file.exe 3068 file.exe 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2688 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3068 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4892 wrote to memory of 3068 4892 file.exe 83 PID 4892 wrote to memory of 3068 4892 file.exe 83 PID 4892 wrote to memory of 3068 4892 file.exe 83 PID 4892 wrote to memory of 3068 4892 file.exe 83 PID 4892 wrote to memory of 3068 4892 file.exe 83 PID 4892 wrote to memory of 3068 4892 file.exe 83
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:4892 -
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:3068
-