Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
16/01/2023, 07:20
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 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 258KB
- Sample230116-h535vabc69
- SHA256 33cbddcf924c68e5bd246592b7e70e7ed901b8fbdb731b243c21ae22d8d0aa57
- MD5 3499daae13dfeae0cecacb53dc3a8e45
- SHA1 da20c348c01a048d3a0774dc5d7d2bc92de74926
- SHA512 49dca724ac401d5471acfb0f372cb895e81471edddd4aa2de56a0326119d4b17a51ee8506fe98e59c5047f075dd3c9f57f4cf4fab3d6a1d38443aedde4e3bf04
- SSDEEP 3072:ztCANP9dFrLYpdw5vKODvcEGcnoqCXs0XkWeZ3rqnXsdUAZf7q/1iEcaVkQU:xCeP9XLYLWvKWGcno4GkWqVdU4zqQna
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1812-134-0x0000000002180000-0x0000000002189000-memory.dmp family_smokeloader behavioral2/memory/4928-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4928-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4928-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1812 set thread context of 4928 1812 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 4928 file.exe 4928 file.exe 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found 2736 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2736 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4928 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1812 wrote to memory of 4928 1812 file.exe 80 PID 1812 wrote to memory of 4928 1812 file.exe 80 PID 1812 wrote to memory of 4928 1812 file.exe 80 PID 1812 wrote to memory of 4928 1812 file.exe 80 PID 1812 wrote to memory of 4928 1812 file.exe 80 PID 1812 wrote to memory of 4928 1812 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:1812 -
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:4928
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