Analysis
- max time kernel
151s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
06/01/2023, 23:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 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 300KB
- Sample230106-29n19scb95
- SHA256 68cc200da3937087698e402f040a2cd3f72d40df15834647051a99cd67db0097
- MD5 94677a98f37715fb5d690dd64c5a5d7c
- SHA1 2b1853db9414281422d7b6503f74a628f2370780
- SHA512 d166bce3ce046d128e80638cc2d9c261fc39f08319c23bfab5e2b1bd75449a15e809f73bce016ecfa1dfba0bb52afa4a3eeb45bcefe565b757d612913e6c10e1
- SSDEEP 6144:JaLv5z4gdCIs7c/FtMXFf+no8Iuoc0BJ:Ja75znF+cw1f+nLocS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/512-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4264-135-0x0000000002D90000-0x0000000002D99000-memory.dmp family_smokeloader behavioral2/memory/512-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/512-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4264 set thread context of 512 4264 file.exe 84 - 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 512 file.exe 512 file.exe 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3032 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 512 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4264 wrote to memory of 512 4264 file.exe 84 PID 4264 wrote to memory of 512 4264 file.exe 84 PID 4264 wrote to memory of 512 4264 file.exe 84 PID 4264 wrote to memory of 512 4264 file.exe 84 PID 4264 wrote to memory of 512 4264 file.exe 84 PID 4264 wrote to memory of 512 4264 file.exe 84
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:4264 -
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:512
-