Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
17/09/2022, 18:11
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 291KB
- Sample220917-wskpmaeahq
- SHA256 758a4b9aefabb94b78b07b1ea1014425440c5409d7c2c149a6d71ec51af1dfeb
- MD5 ebe4119f217ff7dea854ba9660144f8d
- SHA1 647d1c2475b07ba3e9cdc5f9e655429a040382eb
- SHA512 db2ce9851a0e6220e0c30e4fb2bb84c33666030c4a6813a89b01c381cc2a353e3a1d9b2f9ae228f94cef2812146aeb1705307a7080d5c94a56d8ccb56696ee69
- SSDEEP 6144:E9QLZDxUEP8pgyKkTt1DAv0tNnigabwVf7:E9Q9DxUOHYtRtNi
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3080-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/496-136-0x0000000002180000-0x0000000002189000-memory.dmp family_smokeloader behavioral2/memory/3080-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3080-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 496 set thread context of 3080 496 file.exe 89 - 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 3080 file.exe 3080 file.exe 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2864 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3080 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 496 wrote to memory of 3080 496 file.exe 89 PID 496 wrote to memory of 3080 496 file.exe 89 PID 496 wrote to memory of 3080 496 file.exe 89 PID 496 wrote to memory of 3080 496 file.exe 89 PID 496 wrote to memory of 3080 496 file.exe 89 PID 496 wrote to memory of 3080 496 file.exe 89
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:496 -
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:3080
-