Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
17/12/2022, 07:57
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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 213KB
- Sample221217-js9brsbc2y
- SHA256 f00e4d2d6e8bc01925f6708d0a07e05a64199f812c9f14fbb2d5bbe41fae4042
- MD5 94219386f38716b0dd890b73e07584f5
- SHA1 a350ee10049d99c6f279f84640ea10abae20d8d4
- SHA512 b1a782f388159173efaba6c677e107f8d020ec0e1b8f895d7e93afec4fc8ddf318009889a0d511f495da5077679fb71935fe35ebe21272883c962dd0872940cd
- SSDEEP 3072:IwrwyLXvFTtaTRk86MiYLLcW512Uw8D6MqEkLszBjNhX9d40zwUzQRKF+:/BLXvFV86MPLN12EkgznhX40M2b
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4688-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4800-135-0x0000000000570000-0x0000000000579000-memory.dmp family_smokeloader behavioral2/memory/4688-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4688-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4800 set thread context of 4688 4800 file.exe 82 - 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 4688 file.exe 4688 file.exe 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2080 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4688 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4800 wrote to memory of 4688 4800 file.exe 82 PID 4800 wrote to memory of 4688 4800 file.exe 82 PID 4800 wrote to memory of 4688 4800 file.exe 82 PID 4800 wrote to memory of 4688 4800 file.exe 82 PID 4800 wrote to memory of 4688 4800 file.exe 82 PID 4800 wrote to memory of 4688 4800 file.exe 82
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:4800 -
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:4688
-