Analysis
- max time kernel
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
09/09/2026, 22:36
Static task
static1
Behavioral task
behavioral1
Sample
message001 (16).eml
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
Certificate Of Creditable Withholding Tax.rar
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
Users/catoma/OneDrive/Desktop/Data Encoder/Certificate Of Creditable Withholding Tax.iso
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
Certificate Of Creditable Withholding Tax.exe
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
email-html-2.html
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
email-plain-1.txt
Resource
win11-20260513-en
General
- Target Certificate Of Creditable Withholding Tax.exe
- Size 1.2MB
- Sample260909-2jm2aabl2v
- SHA256 86e1b49daf9a01c8c142cce8f06225507a681c66d351fa6441c9967c1e137d75
- MD5 5fcda01a24c74532ee65cdfc91683a6f
- SHA1 578b73dea500087eaf4de2931f96df52a50a43c1
- SHA512 c7cb8efa8332db51b4c6586754f2c1523f7c1ca2f189feba0f4b9213bf9cd76406c82c4371d0df116b04c21b85f640f532d6bc9d296d7f27667ef596ddb8d0b4
- SSDEEP 24576:SrD0NWdbkC9v5mbyZ3BMG9WBN6JxLJXjj4FlvryGu4hlJy1DJjGIychPHk40E:QD0NWdbkC9v5mbyZ3BMG9WBN6PLJXj0v
- TLSH T170559D0A27D65DA3E0A5DB30EB7513B405FCBD274530D39A6A487EEACA3170697C2363
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- .NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral4/memory/3400-5-0x0000000005520000-0x0000000005588000-memory.dmp net_reactor - 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 Certificate Of Creditable Withholding Tax.exe