Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
22/12/2022, 18:40
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 317KB
- Sample221222-xa7bcafa24
- SHA256 58c3f2e0ad0aafd13baa044af3ad2947eaef8b8d39b69e0e95dabdebd53f5ce6
- MD5 ba00abe6668728063afca36b646fff71
- SHA1 f046537cfbccb86b624021f433d274e9c5f450ba
- SHA512 39e3ac7cfd54051bd23eae6c19647a1e556e248a0575696798208a86bf9c004316366ad158866492489c35cc76cfea1453aff873e53184ff89aa9b12ac7fcca9
- SSDEEP 6144:ItkLZxvi4pRUoehRWp00qpuPllmA/RR0cSpQTtyzsduHNIvD:YkVxvi4iWGuPfHRR0TCtyYduHNI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3076-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4460-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/3076-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3076-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4460 set thread context of 3076 4460 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 3076 file.exe 3076 file.exe 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 700 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3076 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4460 wrote to memory of 3076 4460 file.exe 80 PID 4460 wrote to memory of 3076 4460 file.exe 80 PID 4460 wrote to memory of 3076 4460 file.exe 80 PID 4460 wrote to memory of 3076 4460 file.exe 80 PID 4460 wrote to memory of 3076 4460 file.exe 80 PID 4460 wrote to memory of 3076 4460 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:4460 -
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:3076
-