Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
02/01/2023, 16:17
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 211KB
- Sample230102-trclhseg82
- SHA256 ad65fc28aa7fa5d26b65dda2bc01a015108d4b9b7decb4c1217c113592d8fe37
- MD5 b2dfe3f808301b45fb1df62fd2e32663
- SHA1 1eac044d153009eb9bf90715b1b43cdb79edde18
- SHA512 4609f902bfaa7f031156d8ebd724495ea6ff4277058650bcb6c7a6c34716c82e5ae79b05d3c46a9c6a315b0acb70d4a09786ed80121edade6c95f43a08747086
- SSDEEP 3072:EXcQNvidLkicVRaFJ5AOae1iECkW4y5ezDyaXVKp8gngwRQZhveYySP:AWdLkg11CbTTespJRgH
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3264-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/428-135-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader behavioral2/memory/3264-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3264-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 428 set thread context of 3264 428 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 3264 file.exe 3264 file.exe 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found 2508 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2508 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3264 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 428 wrote to memory of 3264 428 file.exe 82 PID 428 wrote to memory of 3264 428 file.exe 82 PID 428 wrote to memory of 3264 428 file.exe 82 PID 428 wrote to memory of 3264 428 file.exe 82 PID 428 wrote to memory of 3264 428 file.exe 82 PID 428 wrote to memory of 3264 428 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:428 -
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:3264
-