Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
24/01/2023, 15:42
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 175KB
- Sample230124-s5cm1acd45
- SHA256 4785ae71a0593d04da7eba96ff22eac9ac95794a61e8a2142a8c4dbcc26a0f17
- MD5 89b26aff7f79d236c531bbbfaf287a83
- SHA1 bb8237b3a19a632407bca1dfd1c81c04c574ac04
- SHA512 c38ef3ee1a54d8419678b208653c1a2bd1cca788fc7a7d9b910ee2b68a3b3b36e261e42a199ec42fae4876ec62076b4dbd6afd98d6f5af07945593702c442c65
- SSDEEP 3072:QBN2VUdyLHTnhx35poDkuhtYPbHy75QaPycyNUDdUr3J/IpxU:4KLHTnhx4LcHMQaU+UFix
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3468-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3724-135-0x0000000002E30000-0x0000000002E39000-memory.dmp family_smokeloader behavioral2/memory/3468-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3468-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3724 set thread context of 3468 3724 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 3468 file.exe 3468 file.exe 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 600 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3468 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3724 wrote to memory of 3468 3724 file.exe 80 PID 3724 wrote to memory of 3468 3724 file.exe 80 PID 3724 wrote to memory of 3468 3724 file.exe 80 PID 3724 wrote to memory of 3468 3724 file.exe 80 PID 3724 wrote to memory of 3468 3724 file.exe 80 PID 3724 wrote to memory of 3468 3724 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:3724 -
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:3468
-