Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/05/2026, 19:56

General

  • Target
    c9d942f16d7fede87867d57b6f52666c888e95d0fd00fe7e1b2c6bae3962e5ca.exe
  • Size 830KB
  • Sample260502-ynph5ae14x
  • SHA256 c9d942f16d7fede87867d57b6f52666c888e95d0fd00fe7e1b2c6bae3962e5ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 19 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9d942f16d7fede87867d57b6f52666c888e95d0fd00fe7e1b2c6bae3962e5ca.exe
    "C:\Users\Admin\AppData\Local\Temp\c9d942f16d7fede87867d57b6f52666c888e95d0fd00fe7e1b2c6bae3962e5ca.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4984
  • C:\Windows\Syswow64\f31f6730
    C:\Windows\Syswow64\f31f6730
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5084

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        f31f6730

        • Path C:\Windows\SysWOW64\f31f6730
        • Size 830KB
        • SHA256 0cf177a3d75c53770ddb9b7ae5a1c4999c583aa5bc7b1babcedc979282c031d8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4984-0-0x0000000000250000-0x00000000002DC000-memory.dmp

        memory/4984-12-0x0000000000250000-0x00000000002DC000-memory.dmp

        memory/4984-37-0x0000000003490000-0x000000000371B000-memory.dmp

        memory/4984-48-0x0000000003490000-0x000000000371B000-memory.dmp

        memory/5084-4-0x0000000000890000-0x000000000091C000-memory.dmp

        memory/5084-14-0x0000000000890000-0x000000000091C000-memory.dmp

        memory/5084-13-0x00000000021E0000-0x000000000246B000-memory.dmp

        memory/5084-44-0x0000000000890000-0x000000000091C000-memory.dmp