Analysis
- max time kernel
206s - max time network
210s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2022, 15:24
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 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 349KB
- Sample221202-ss3nnaea6y
- SHA256 d6b56b36d4997bb6c99e4447f4da90b2979d93a720b922840a6ccdf4d8e7685c
- MD5 3282bda582eaa31b820750538b53e4ad
- SHA1 099ce0b450e084ab7a8fc7800bfd9f84a12d7eda
- SHA512 00f99581955b83325f3a13d696941931235caeb81114a082de10f64a2fca0866107afc6817c672ec6409cf183678aa83f76f419114a22149f956bc8bf344dbbf
- SSDEEP 6144:B29IbLQAiVEpPBfmFpi2BMT+SCS34uRjMgU:BccGVEqC2+ZRQg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/684-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/4724-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4724-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4724-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 684 set thread context of 4724 684 file.exe 82 - 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 4724 file.exe 4724 file.exe 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 964 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4724 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 684 wrote to memory of 4724 684 file.exe 82 PID 684 wrote to memory of 4724 684 file.exe 82 PID 684 wrote to memory of 4724 684 file.exe 82 PID 684 wrote to memory of 4724 684 file.exe 82 PID 684 wrote to memory of 4724 684 file.exe 82 PID 684 wrote to memory of 4724 684 file.exe 82
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:684 -
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:4724
-