Analysis
- max time kernel
137s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
25/07/2024, 17:18
Static task
static1
Behavioral task
behavioral1
Sample
76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe
Resource
win10v2004-20240709-en
General
- Target 76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe
- Size 327KB
- Sample240725-vvhsdaxama
- SHA256 76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3
- MD5 e6db9b74f8f010ecb5efc6be90b47d46
- SHA1 4f8a35f9df58e38e92492e75ee28eb748f1501b8
- SHA512 25c8056d186f5b9090f2c2e4a4e33c503a36a0a63b9884967cb80d233a1f93d5794c246d4ba2bb3c7bc2bb296fab0897e755e41e61d8a591a42830616e2faf50
- SSDEEP 3072:ph7mUmxKTmwPKeIjR930t4CfPrvXKIJiekdsCT1:XiUmxKTmNemR930LHTXDi7nT
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
smokeloader
-
pub1
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Program crash 1 IoCs
pid pid_target Process procid_target 3440 3804 WerFault.exe 83 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe - 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 76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 POWERPNT.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz POWERPNT.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString POWERPNT.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS POWERPNT.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily POWERPNT.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU POWERPNT.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2888 POWERPNT.EXE - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2888 POWERPNT.EXE 2888 POWERPNT.EXE 2888 POWERPNT.EXE 2888 POWERPNT.EXE 2888 POWERPNT.EXE - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe"C:\Users\Admin\AppData\Local\Temp\76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 3562⤵
- Program crash
PID:3440
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3804 -ip 38041⤵PID:3968
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:720
-
C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE"C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\Downloads\RegisterInvoke.pptx" /ou ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2888