Analysis
- max time kernel
150s - max time network
106s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/12/2022, 03:44
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 244KB
- Sample221229-eagrkscc54
- SHA256 548a6e79139fcf29792a3d9cc96be2dfee8b0ee7e8f81884009cacc0d8853065
- MD5 0d97f6b5af597b3abd9e9461fe969c2f
- SHA1 6818de52d6b54c699d5551db7306b99709c9f410
- SHA512 d6b6d47d0930dc4f92a478b59b7f991ff8eef6d28e621f6efd0462f2f1a494f0479c4d7acabc6fd4dcf684ed200b96d29ca3eb6c139d194f88daf7664153a456
- SSDEEP 3072:I36L345r7q1VUODhtYNRYsLCkKLOn/eTFUPIL54wDDtdmdhmUXG83H:VL3uLOd0LAs5iDtmmUXT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4920-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1504-135-0x00000000021A0000-0x00000000021A9000-memory.dmp family_smokeloader behavioral2/memory/4920-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4920-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1504 set thread context of 4920 1504 file.exe 81 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4920 file.exe 4920 file.exe 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2980 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4920 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1504 wrote to memory of 4920 1504 file.exe 81 PID 1504 wrote to memory of 4920 1504 file.exe 81 PID 1504 wrote to memory of 4920 1504 file.exe 81 PID 1504 wrote to memory of 4920 1504 file.exe 81 PID 1504 wrote to memory of 4920 1504 file.exe 81 PID 1504 wrote to memory of 4920 1504 file.exe 81
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:1504 -
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:4920
-