Analysis
- max time kernel
151s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
09/02/2023, 08:04
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 196KB
- Sample230209-jx94vsbd25
- SHA256 6cb9d360ce34aa7ea88f72fa666f362c8e5b26fdadcdd94ea99b749830ad3bb2
- MD5 0d5fd71d534788964c05eab2e8b1c996
- SHA1 392b62f82a8c5d8c3eaaa42c8a63c0a28c44691d
- SHA512 55f8b81547887fdad1f5b45a2c7d07bec1117e8b04f6a93fc3eeee1c78ed29f9daaf71baa31073c00e4e14e9fd9457ca24cb4f4fd7e83ddacfbc74d750d2ab9e
- SSDEEP 3072:7wqgOMdrvELee1LFz/W2d5A7Bt+jPBoB7kBRwDJB8ei/NiMjgsY:UqgZvbWLt/qtYpoB7kbwQeiVPUsY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5012-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4956-135-0x00000000007C0000-0x00000000007C9000-memory.dmp family_smokeloader behavioral2/memory/5012-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5012-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4956 set thread context of 5012 4956 file.exe 80 - 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 5012 file.exe 5012 file.exe 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3048 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5012 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4956 wrote to memory of 5012 4956 file.exe 80 PID 4956 wrote to memory of 5012 4956 file.exe 80 PID 4956 wrote to memory of 5012 4956 file.exe 80 PID 4956 wrote to memory of 5012 4956 file.exe 80 PID 4956 wrote to memory of 5012 4956 file.exe 80 PID 4956 wrote to memory of 5012 4956 file.exe 80
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:4956 -
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:5012
-