Analysis
- max time kernel
152s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2022, 10:10
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 350KB
- Sample221202-l7ertaba8v
- SHA256 98a7cf47854b8bc3f67a38dfdd7020bb26bc75263067cc4dfefd7d7ef46441c9
- MD5 a9123dcbccb6d537280600b3002c8852
- SHA1 4205ae7a196994c8b864c1b146d24b11298b7160
- SHA512 08958b241326abc4cbe7652d7bf674087c6d3f698d83cbcd8054dca25ae9f907592162e0ca0bd336c0d2ecbc6dc8c01e0a450c85a189b873299a1381099c6bd7
- SSDEEP 3072:vQ8DtkLb1Z6CK5s8NUJDj1GJHiaVDaFBwZFs5+vTUhhIh3eGjMgG1ao5LK:dRkLpZ6CD8E1uCaYFBOzeuRjMgU
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4644-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2232-135-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/4644-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4644-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2232 set thread context of 4644 2232 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 4644 file.exe 4644 file.exe 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2692 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4644 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2232 wrote to memory of 4644 2232 file.exe 81 PID 2232 wrote to memory of 4644 2232 file.exe 81 PID 2232 wrote to memory of 4644 2232 file.exe 81 PID 2232 wrote to memory of 4644 2232 file.exe 81 PID 2232 wrote to memory of 4644 2232 file.exe 81 PID 2232 wrote to memory of 4644 2232 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:2232 -
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:4644
-