Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
21/01/2023, 19:35
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-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
- Sample230121-yanpnsfd3v
- SHA256 4ce0780bb0a0bf1aab6c8c1e23616ba995492911cbc206239c82edb7ded49844
- MD5 1843db6895557bfea51a006a0bcb1495
- SHA1 a987f9caf2ec4656d8cd77c7582aeb65c0e95d21
- SHA512 725cfcff8fc61251d85e6750ae814af51cd1c86687f16813564cc9c817c055315245000e7a59c2da2d76934125c2bc963644d74b4c2c506c6032032d3c597a81
- SSDEEP 3072:OBN4X3TnLCxgtd2Lm15N6I5dpxT8n+xM8NGcOEZDQd852be8ZOvURW:imrztcLmrN6GD8n4M2GDEZD/qROvUR
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4776-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4872-135-0x0000000002E30000-0x0000000002E39000-memory.dmp family_smokeloader behavioral2/memory/4776-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4776-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4872 set thread context of 4776 4872 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 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 4776 file.exe 4776 file.exe 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1108 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4776 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4776 4872 file.exe 80 PID 4872 wrote to memory of 4776 4872 file.exe 80 PID 4872 wrote to memory of 4776 4872 file.exe 80 PID 4872 wrote to memory of 4776 4872 file.exe 80 PID 4872 wrote to memory of 4776 4872 file.exe 80 PID 4872 wrote to memory of 4776 4872 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:4872 -
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:4776
-