Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
13/01/2023, 15:07
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 284KB
- Sample230113-shavwsde6s
- SHA256 cc02821778a9cd5765f046c8e4f9d7713e3db7c9b7b02e702d7c61204d9343cd
- MD5 a91ae68658414f26a3a8da8207b8bfd3
- SHA1 6fec09365fa250d8a873951c4ac5766cefdd955f
- SHA512 e191696bf0b489a2dfe329713fa387806988582c4c788736229429e4ae877e9ae4a52a3702fed299e2230c9eb19dbde1479e8032194006b512244979fde23fcd
- SSDEEP 6144:fmLwzL2I0ON1BCLWbp5L3RJJJSlJZ9tzrSA3:fmLwzKI0GBCLWd5L36Z9P3
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3092-133-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader behavioral2/memory/4248-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4248-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4248-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3092 set thread context of 4248 3092 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 4248 file.exe 4248 file.exe 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2592 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4248 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3092 wrote to memory of 4248 3092 file.exe 80 PID 3092 wrote to memory of 4248 3092 file.exe 80 PID 3092 wrote to memory of 4248 3092 file.exe 80 PID 3092 wrote to memory of 4248 3092 file.exe 80 PID 3092 wrote to memory of 4248 3092 file.exe 80 PID 3092 wrote to memory of 4248 3092 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:3092 -
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:4248
-