Analysis
- max time kernel
150s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/01/2023, 22:20
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 195KB
- Sample230102-183ycsbe6s
- SHA256 a93cbd9a0aecf0cf8038a12b532fec6dece78a3f33bc61e1329136e8d2a9cf24
- MD5 f2e658bfaac90bf18f472ce719d16617
- SHA1 ce9513e630262e491bbddd93fbf570a55cefc539
- SHA512 0f44a56baf688e972617654bd7988fc1d0081a0659bec285c9590ed898791334ef1fb18a2306d4756f18276904b25a3ccf3d480814248048a07e34dc1b6077e3
- SSDEEP 3072:SXZpo8HmSYcSL61NgdO5g1gUC/swTOG0OxC2TuUxH6SFoeZh+bQ9V0:SA8HmYSLDdL1gUUDKmxtaCaSqi+bQH
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2784-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2292-135-0x00000000004C0000-0x00000000004C9000-memory.dmp family_smokeloader behavioral2/memory/2784-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2784-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2292 set thread context of 2784 2292 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2784 file.exe 2784 file.exe 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found 900 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 900 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2784 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2292 wrote to memory of 2784 2292 file.exe 80 PID 2292 wrote to memory of 2784 2292 file.exe 80 PID 2292 wrote to memory of 2784 2292 file.exe 80 PID 2292 wrote to memory of 2784 2292 file.exe 80 PID 2292 wrote to memory of 2784 2292 file.exe 80 PID 2292 wrote to memory of 2784 2292 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:2292 -
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:2784
-