Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
13/02/2023, 01:00
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 181KB
- Sample230213-bcnfcsha9v
- SHA256 edd350ebaba96f03d9d4e8e965e9cf9152f548cc3ea2adb2a7e36ac2243374ee
- MD5 75f05af46235ce799131539b97e53df5
- SHA1 806fbbf51381220a861a127490b21ef7c555b685
- SHA512 cb116b81c082ffe0f002a684583cc8378354e18b4b0704c3c6ada418a48d4b098c150ce47cdd1ddb3cbb36c764372137191414382599075cc15f8537f79dcaf8
- SSDEEP 3072:eCKZ/X55HTQBBL2bqu8T9YbrLDVlIT4kj9DK6Puj:wtTUTkDucHgEc9W4uj
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2348-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1440-135-0x00000000008E0000-0x00000000008E9000-memory.dmp family_smokeloader behavioral2/memory/2348-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2348-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1440 set thread context of 2348 1440 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 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 2348 file.exe 2348 file.exe 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found 372 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 372 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2348 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1440 wrote to memory of 2348 1440 file.exe 81 PID 1440 wrote to memory of 2348 1440 file.exe 81 PID 1440 wrote to memory of 2348 1440 file.exe 81 PID 1440 wrote to memory of 2348 1440 file.exe 81 PID 1440 wrote to memory of 2348 1440 file.exe 81 PID 1440 wrote to memory of 2348 1440 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:1440 -
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:2348
-