Analysis
- max time kernel
155s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
31/08/2022, 00:05
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-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 292KB
- Sample220831-ac7cssfff7
- SHA256 551cbbeff01e5f94abf0eb77e2b1bcb446c7fd987f6091375cc34f77f5e8aacd
- MD5 29551494d90d244926cf07213476674a
- SHA1 cd3428cab0e52e118ec9f07e5933c4e916c2275a
- SHA512 2009f09187caebf092c9a37a622ce37d32e21c51ab2e03dfa2770722d03384f2f55272d71c173cc4652e448cfe3403e5b1c07fff0f79fcaa2bd8ad5b63eaee0f
- SSDEEP 6144:KJBhGqm4oSFWaEAgEl3sIK4RFeedXeVgfVCDJPW+:QhU49FZnxl3sIK4RFvXeWNAP
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1456-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1832-135-0x00000000009A0000-0x00000000009A9000-memory.dmp family_smokeloader behavioral2/memory/1456-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1456-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1832 set thread context of 1456 1832 file.exe 83 - 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 1456 file.exe 1456 file.exe 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found 2880 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2880 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1456 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1832 wrote to memory of 1456 1832 file.exe 83 PID 1832 wrote to memory of 1456 1832 file.exe 83 PID 1832 wrote to memory of 1456 1832 file.exe 83 PID 1832 wrote to memory of 1456 1832 file.exe 83 PID 1832 wrote to memory of 1456 1832 file.exe 83 PID 1832 wrote to memory of 1456 1832 file.exe 83
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:1832 -
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:1456
-