Analysis
- max time kernel
150s - max time network
117s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
20/12/2022, 22:10
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 216KB
- Sample221220-13ch8aec7x
- SHA256 4eec0d73c55b038a7d0ccb8b677170c19a1f8fe58a1327f13ae4ceaa49759210
- MD5 959682fb24d974b45fd1b9f82eb0643b
- SHA1 08d40bb2deca6f11426527ba1591997f79bcfcf0
- SHA512 805733272f1991894a9d59645d8a13f8726b9c97a761ee92c02eba9a06d7351498611247036223505f272dc1198b601535003d003edda2972a3a1c6b7f43e538
- SSDEEP 3072:TIBGLJIV5Z5eP8G+oyKoUWZJz7b/8v0qVNHCDml:EULJ5PMKGZ5wnCa
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3640-133-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/3980-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3980-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3980-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3640 set thread context of 3980 3640 file.exe 85 - 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 3980 file.exe 3980 file.exe 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1012 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3980 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3640 wrote to memory of 3980 3640 file.exe 85 PID 3640 wrote to memory of 3980 3640 file.exe 85 PID 3640 wrote to memory of 3980 3640 file.exe 85 PID 3640 wrote to memory of 3980 3640 file.exe 85 PID 3640 wrote to memory of 3980 3640 file.exe 85 PID 3640 wrote to memory of 3980 3640 file.exe 85
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:3640 -
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:3980
-