Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
16/01/2023, 16:07
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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 232KB
- Sample230116-tkm4nsde41
- SHA256 628b6ee9e18e496c863bbfee2e7ade9e3a2801b58cc68cf93dd5deb2d87b1ac2
- MD5 3a96515e3c96a4905e818c77632bbb5f
- SHA1 df96e193ab67881de860b1b0f9c4ef0df3f6bd55
- SHA512 d934d4bf9de9bce88d38983b2bbcfb2f7ec3332d2247a4f9b45f33d81fc8f0aedf580d15a4606e955e2d45714be6de21868e722a95d2ac5cf814b7cbf8f7e805
- SSDEEP 6144:apT/8L+WhBt6yhhqb6tqPQsVofCkQ4DHXyUCw:apT/8KCBlHqHosofCnei
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2260-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4056-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/2260-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2260-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4056 set thread context of 2260 4056 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 2260 file.exe 2260 file.exe 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found 2556 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2556 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2260 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4056 wrote to memory of 2260 4056 file.exe 80 PID 4056 wrote to memory of 2260 4056 file.exe 80 PID 4056 wrote to memory of 2260 4056 file.exe 80 PID 4056 wrote to memory of 2260 4056 file.exe 80 PID 4056 wrote to memory of 2260 4056 file.exe 80 PID 4056 wrote to memory of 2260 4056 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:4056 -
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:2260
-