Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
09/01/2023, 09:07
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 352KB
- Sample230109-k3a3dshb4w
- SHA256 bc94f0f33091aa3ef64ca4561cea43c48ae21a8d0bd4da44b5fbd35861bedee7
- MD5 764497d1ed720d7dacfeb67f06427437
- SHA1 72fb9a2e869e60677733d6fb1fa8281acbd56a6c
- SHA512 07899f037d718ae69976f1ef1106e38201306c81fbaebd835e24f10205d32df384ab2e5c39026e3316286609f23bfaab3119957d5dbea617564c7132298ea428
- SSDEEP 6144:u9PpgSjLyLWZNUZQct+q4KT7CrWRFCFuedNuPA++g:u9PptjuL1WcxsCtkuPA++g
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1784-135-0x0000000003170000-0x0000000003179000-memory.dmp family_smokeloader behavioral2/memory/4780-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4780-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4780-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1784 set thread context of 4780 1784 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 4780 file.exe 4780 file.exe 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2508 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4780 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1784 wrote to memory of 4780 1784 file.exe 81 PID 1784 wrote to memory of 4780 1784 file.exe 81 PID 1784 wrote to memory of 4780 1784 file.exe 81 PID 1784 wrote to memory of 4780 1784 file.exe 81 PID 1784 wrote to memory of 4780 1784 file.exe 81 PID 1784 wrote to memory of 4780 1784 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:1784 -
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:4780
-