Analysis
- max time kernel
150s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
04/02/2023, 11:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 191KB
- Sample230204-ndpe9sdb53
- SHA256 15c5a8dd841448d96c145d60b0d292cdab780480e966afaac7bde09edc8d05d1
- MD5 9da1b25f025805f2c63452ab01c5f2f9
- SHA1 3c4b6f47efc45a9b72d6958a81ac0a1f0ed83645
- SHA512 7704114e93eb14efb3a6b2f40736ea1220d5f311efe8bbb4989078171106cdff67cb5402bf70ed5ea26b7888b1e5c6e87e4fcaa556e39439886ee0ab82a2f9bd
- SSDEEP 3072:9fryK7xh4QLjylMPWBX5mwtDf+Zv2nhnTzPaPdewJqBorPc9hmT6c:9fdL2WPtmk2nh3yPdZeorPaUT6
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2396-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3068-135-0x0000000000560000-0x0000000000569000-memory.dmp family_smokeloader behavioral2/memory/2396-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2396-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3068 set thread context of 2396 3068 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2396 file.exe 2396 file.exe 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found 776 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 776 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2396 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3068 wrote to memory of 2396 3068 file.exe 80 PID 3068 wrote to memory of 2396 3068 file.exe 80 PID 3068 wrote to memory of 2396 3068 file.exe 80 PID 3068 wrote to memory of 2396 3068 file.exe 80 PID 3068 wrote to memory of 2396 3068 file.exe 80 PID 3068 wrote to memory of 2396 3068 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:3068 -
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:2396
-