Analysis
- max time kernel
151s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
11/01/2023, 23:21
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 319KB
- Sample230111-3bz7baef65
- SHA256 e9ef2db2e5849aae9db13ba7bdcf7c108de5d2183a25cc6b6ecc7f49375ad409
- MD5 eef80769c378683d61077ebcc9f0b861
- SHA1 30c09bbed1163d28890657f69cbfd3bf313086ad
- SHA512 9883e0aee7264141e96d8c76a97124c8fdee6b24dcf1b4bd751295e8286db9b9458587bb9d15633907ccf0b9f95cadae063c9422b6e50c3233b3d999c5464769
- SSDEEP 6144:AUpUzblVVbCtSsGwADL9VAP3Zi55iNxFz:AJzbbVtLG3ZimN
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4432-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4888-135-0x00000000006F0000-0x00000000006F9000-memory.dmp family_smokeloader behavioral2/memory/4432-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4432-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4888 set thread context of 4432 4888 file.exe 85 - 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 4432 file.exe 4432 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 4432 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4888 wrote to memory of 4432 4888 file.exe 85 PID 4888 wrote to memory of 4432 4888 file.exe 85 PID 4888 wrote to memory of 4432 4888 file.exe 85 PID 4888 wrote to memory of 4432 4888 file.exe 85 PID 4888 wrote to memory of 4432 4888 file.exe 85 PID 4888 wrote to memory of 4432 4888 file.exe 85
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:4888 -
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:4432
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