Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
10/10/2022, 07:11
Static task
static1
Behavioral task
behavioral1
Sample
98f4de101a3de02b9c7e8bc1bafea387.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
98f4de101a3de02b9c7e8bc1bafea387.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 98f4de101a3de02b9c7e8bc1bafea387.exe
- Size 268KB
- Sample221010-hzx2msbbej
- SHA256 3bdc9bb89d83137a51e14ba5514e4bae3aec1245d83e81e84f237df5aa7ded38
- MD5 98f4de101a3de02b9c7e8bc1bafea387
- SHA1 f4f0a316373651b492b4bd1f0990b243e3271018
- SHA512 06f83df98dbea2758546ed365dfdee66ef515dbb7e3b716e21e21851afd930e34bb770e89c93be5189d438510336c89c0bce4963b321858b430a8304f74e7460
- SSDEEP 3072:8XJTpxBtNmuFu2p5S9VyX2xYoeHIcNsecnTjp/+2HkM/h3qpZa9uD6VdyhkhUuSp:49pu2EVyX2xYRzcnTjg2ErwVfquS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3940-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4184-136-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader behavioral2/memory/3940-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3940-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4184 set thread context of 3940 4184 98f4de101a3de02b9c7e8bc1bafea387.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 98f4de101a3de02b9c7e8bc1bafea387.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 98f4de101a3de02b9c7e8bc1bafea387.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 98f4de101a3de02b9c7e8bc1bafea387.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3940 98f4de101a3de02b9c7e8bc1bafea387.exe 3940 98f4de101a3de02b9c7e8bc1bafea387.exe 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found 2484 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2484 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3940 98f4de101a3de02b9c7e8bc1bafea387.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4184 wrote to memory of 3940 4184 98f4de101a3de02b9c7e8bc1bafea387.exe 81 PID 4184 wrote to memory of 3940 4184 98f4de101a3de02b9c7e8bc1bafea387.exe 81 PID 4184 wrote to memory of 3940 4184 98f4de101a3de02b9c7e8bc1bafea387.exe 81 PID 4184 wrote to memory of 3940 4184 98f4de101a3de02b9c7e8bc1bafea387.exe 81 PID 4184 wrote to memory of 3940 4184 98f4de101a3de02b9c7e8bc1bafea387.exe 81 PID 4184 wrote to memory of 3940 4184 98f4de101a3de02b9c7e8bc1bafea387.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\98f4de101a3de02b9c7e8bc1bafea387.exe"C:\Users\Admin\AppData\Local\Temp\98f4de101a3de02b9c7e8bc1bafea387.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4184 -
C:\Users\Admin\AppData\Local\Temp\98f4de101a3de02b9c7e8bc1bafea387.exe"C:\Users\Admin\AppData\Local\Temp\98f4de101a3de02b9c7e8bc1bafea387.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3940
-