Analysis
- max time kernel
150s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
17/02/2023, 14:41
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 184KB
- Sample230217-r2eshsfd51
- SHA256 be1ac3e20d32bfd5c3ca1c7bbc8f5ad79db8a9a414112b91bad7e2b69700b8bf
- MD5 f381b52387022c520dc4d51b342ae238
- SHA1 7ada7c8c4f9c2260274f93b18f03a20ac6bc145a
- SHA512 9ce9416d432dbb123f0e9ed9ee1c8cb44bf7d52e8da9f7cf973eca28c5888c697a00f014e1858272c6e8df050503ad422488fac3adbaf50c57c571b77ca15b6d
- SSDEEP 3072:p/BghwGgv4bxyPJ/Tzm6W6UN9cma9EAS5MzSJzQUK:p/YJ7NyBb6f9Q9lSPQZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4884-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1208-135-0x00000000007F0000-0x00000000007F9000-memory.dmp family_smokeloader behavioral2/memory/4884-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4884-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1208 set thread context of 4884 1208 file.exe 79 - 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 4884 file.exe 4884 file.exe 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2640 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4884 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1208 wrote to memory of 4884 1208 file.exe 79 PID 1208 wrote to memory of 4884 1208 file.exe 79 PID 1208 wrote to memory of 4884 1208 file.exe 79 PID 1208 wrote to memory of 4884 1208 file.exe 79 PID 1208 wrote to memory of 4884 1208 file.exe 79 PID 1208 wrote to memory of 4884 1208 file.exe 79
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:1208 -
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:4884
-