Analysis
- max time kernel
151s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
08/01/2023, 19:05
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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 261KB
- Sample230108-xrg3saee32
- SHA256 746e8e517543fb45dc41a970d91f1a1a29f6b4a4cb319ffaefafffc65711da72
- MD5 851a46e96992326d915969c15a33cb8b
- SHA1 8c29578d386a225bfa9ad32d263a94d64e6c26ab
- SHA512 cb33091064d557e11007bae9c6eed49edde301e7b8998f4970b1930978657ae935f9bdcbf0b5313f4d565e76e448adce573e86369a29c3d0efb5c334027c8de5
- SSDEEP 3072:+Xh1mQPXL+Ucno36u55sBEz2ehvmqNTq1NBhXEAcJ9Si19hZCRRzMuWZgd3i:GnL+u36uHheqZq1fh+Smcqgd3
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/800-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2696-135-0x00000000048E0000-0x00000000048E9000-memory.dmp family_smokeloader behavioral2/memory/800-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/800-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2696 set thread context of 800 2696 file.exe 84 - 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 800 file.exe 800 file.exe 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2176 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 800 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2696 wrote to memory of 800 2696 file.exe 84 PID 2696 wrote to memory of 800 2696 file.exe 84 PID 2696 wrote to memory of 800 2696 file.exe 84 PID 2696 wrote to memory of 800 2696 file.exe 84 PID 2696 wrote to memory of 800 2696 file.exe 84 PID 2696 wrote to memory of 800 2696 file.exe 84
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:2696 -
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:800
-