Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
08/02/2023, 22:45
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 320KB
- Sample230208-2pdd2ahd8s
- SHA256 e5e5a452ae7267b64d451c528f200d3551c25a50320d674b178ebb65ddbd5da6
- MD5 6972919d2ff921025fefc6d57753b6a7
- SHA1 e5567e8c8e9f66246d67296e0870e14f17f81868
- SHA512 d168bb4a871ed9c7a178a09858d27cd628733a98271782d00ae12707cf6c4e3e032db3d17323db4a384cd6d104dbf4c31a18fb1d451ef7a5c75718a8aefc7655
- SSDEEP 3072:fPgyXmNU5RFhRdW9mEFoIRcITAziuQ2NSa87vNsWQDiuLpYIZa2gv:fFAChGmquYGlQo4iLiqjIzv
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1536-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2212-135-0x0000000000710000-0x0000000000719000-memory.dmp family_smokeloader behavioral2/memory/1536-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1536-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2212 set thread context of 1536 2212 file.exe 81 - 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 1536 file.exe 1536 file.exe 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1068 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1536 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2212 wrote to memory of 1536 2212 file.exe 81 PID 2212 wrote to memory of 1536 2212 file.exe 81 PID 2212 wrote to memory of 1536 2212 file.exe 81 PID 2212 wrote to memory of 1536 2212 file.exe 81 PID 2212 wrote to memory of 1536 2212 file.exe 81 PID 2212 wrote to memory of 1536 2212 file.exe 81
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:2212 -
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:1536
-