Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
16/01/2023, 12:14
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 232KB
- Sample230116-pebfgaaf2x
- SHA256 1f81c8da49ef4986b5ebf348fa916ff5c687ac8d0faad34a36b163285755c829
- MD5 42819df430e1cbb1f7fb1d2fb9789fb1
- SHA1 4f2535a53e36b938a80f0db893ad16a140f4469c
- SHA512 eadeb7c123a0a076e91e173931f788ee60f68a2fbf4acdabbd2c0c188f3d81512e5ae8724d2ca060cb74db3f1fa2da9baf68cfaac8a2401cf039a1ced7dcc467
- SSDEEP 3072:nXW1loJZLKQwUBuYQD/co9H0ngfUSy5jgai+mmA5gDCeyfDKyQ/uyhOC94c:XW/o7L5/BuYU9H0gJy3iQCLfDHXyUC
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3732-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3460-135-0x00000000006D0000-0x00000000006D9000-memory.dmp family_smokeloader behavioral2/memory/3732-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3732-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3460 set thread context of 3732 3460 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 3732 file.exe 3732 file.exe 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2824 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3732 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3460 wrote to memory of 3732 3460 file.exe 80 PID 3460 wrote to memory of 3732 3460 file.exe 80 PID 3460 wrote to memory of 3732 3460 file.exe 80 PID 3460 wrote to memory of 3732 3460 file.exe 80 PID 3460 wrote to memory of 3732 3460 file.exe 80 PID 3460 wrote to memory of 3732 3460 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:3460 -
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:3732
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