Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
08/01/2023, 12:30
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 264KB
- Sample230108-ppg11agh81
- SHA256 5cc3e15ccc14f79b7a902c5d09b4acba913eda5a3f0eb28b67ec8a007b29fd85
- MD5 2a133f0dfb57778e3392bac1dadff377
- SHA1 6f9389fb7a7b8924d95c7576c2417ca20e78274e
- SHA512 324807fef27979d5279547b6a24d7d1edf40f45a155b0274c9e8fcd3283a902945363ce8089d22c4b6326aff5b0a45326b32f305bc7a7e54f8db558bffd4bfab
- SSDEEP 3072:2Xh01OyLHO3LBQnp5N5Eiuklfq9vk1gyjqntOJoOI5ozdKSBppxOxUZNTKXWPr0+:eCLH5np5Ei1wlDntOGOI5k/p/OuN
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4560-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2760-135-0x0000000002C70000-0x0000000002C79000-memory.dmp family_smokeloader behavioral2/memory/4560-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4560-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2760 set thread context of 4560 2760 file.exe 82 - 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 4560 file.exe 4560 file.exe 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2348 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4560 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2760 wrote to memory of 4560 2760 file.exe 82 PID 2760 wrote to memory of 4560 2760 file.exe 82 PID 2760 wrote to memory of 4560 2760 file.exe 82 PID 2760 wrote to memory of 4560 2760 file.exe 82 PID 2760 wrote to memory of 4560 2760 file.exe 82 PID 2760 wrote to memory of 4560 2760 file.exe 82
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:2760 -
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:4560
-