Analysis
- max time kernel
150s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
14/02/2023, 03:04
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 195KB
- Sample230214-dklmvaac52
- SHA256 b16ed9d88abe3c1bd4f5f75eb08fa9cf0e8f424ca14a2e750ba07b754f9212a7
- MD5 02342d750600a193eeaf0f8a65f75e53
- SHA1 418e9cf369451e1e3bea786b453ad3dfbb40ceaa
- SHA512 5c5d62fdeb0cf20b22aac56f01e6be6006a2c3ca756af18b386e50463f6f2cd6a9d04288508598fe1ed140f192763cef97af6f758b22d3e81c7e6ae7e27284b9
- SSDEEP 3072:fJ7uEa5ztmGoyJrXhbKiK0uBipf34tJ56ummCs3Tpz9Sii88Ok:fsHtxvThbKguQpfItL6aCs3Tl9Si0O
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4056-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4920-135-0x00000000022A0000-0x00000000022A9000-memory.dmp family_smokeloader behavioral2/memory/4056-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4056-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4920 set thread context of 4056 4920 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 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 4056 file.exe 4056 file.exe 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1032 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4056 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4920 wrote to memory of 4056 4920 file.exe 82 PID 4920 wrote to memory of 4056 4920 file.exe 82 PID 4920 wrote to memory of 4056 4920 file.exe 82 PID 4920 wrote to memory of 4056 4920 file.exe 82 PID 4920 wrote to memory of 4056 4920 file.exe 82 PID 4920 wrote to memory of 4056 4920 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:4920 -
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:4056
-