Analysis
- max time kernel
151s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
12/12/2022, 09:51
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 259KB
- Sample221212-lvg2eaba73
- SHA256 bfa581fa1070d917e21abb95a4348c07dae563ef463af6a38f5e535077cfe8be
- MD5 567a21e5898539e5caf775b4c7ecc1f3
- SHA1 148a2bf383b90047527d46e903d1f856def1c99b
- SHA512 51a0beecb94b0fedee76f419ce364d3055fcf3d7e38872f4cc4db3a22ca139fc8afeb09c7dadb9d5cfe89fc18438e1cfb207a6471c9acdac9866f5ce4abc6266
- SSDEEP 3072:UoLTzv3slvLoPt4mO+qDWm15yQTB5+8+UghuS9FAuJA2cuguEohdBcf0EJ8W4Rbl:USLULoly+qD75+1C521/EoyftT4cpgX
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5072-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1488-135-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader behavioral2/memory/5072-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5072-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1488 set thread context of 5072 1488 file.exe 79 - 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 5072 file.exe 5072 file.exe 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2376 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5072 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1488 wrote to memory of 5072 1488 file.exe 79 PID 1488 wrote to memory of 5072 1488 file.exe 79 PID 1488 wrote to memory of 5072 1488 file.exe 79 PID 1488 wrote to memory of 5072 1488 file.exe 79 PID 1488 wrote to memory of 5072 1488 file.exe 79 PID 1488 wrote to memory of 5072 1488 file.exe 79
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:1488 -
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:5072
-