Analysis
- max time kernel
150s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
16/12/2022, 23:31
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 214KB
- Sample221216-3hpddsag3z
- SHA256 441be9004522830564a156d3fc39b8cfd8fd93db2cd6559d7d7659e87b59d6e6
- MD5 6f9b38caaf2c2ef5758097d1b089d954
- SHA1 357779d09c489bf9c1aeb51b5fcaf0293008e33c
- SHA512 158d27a7050fe008fd58f480e604b9c82a3c280f7fd0754688c956ad50ee18bc1fd9f444858f81f23a5892ccc7fc89740b27f611c3d68234aec6ef7906a594c5
- SSDEEP 3072:a/b0yPBLk+WaSbRa3ka8CF4qNO6pL3/tBXLszWZn6+s40zwUzQRKF+:QPBLk+Wa3UgcMbgzgW40M2b
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4296-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4624-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/4296-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4296-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4624 set thread context of 4296 4624 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 4296 file.exe 4296 file.exe 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4296 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4624 wrote to memory of 4296 4624 file.exe 81 PID 4624 wrote to memory of 4296 4624 file.exe 81 PID 4624 wrote to memory of 4296 4624 file.exe 81 PID 4624 wrote to memory of 4296 4624 file.exe 81 PID 4624 wrote to memory of 4296 4624 file.exe 81 PID 4624 wrote to memory of 4296 4624 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:4624 -
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:4296
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