Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 06:02

General

  • Target
    8507473eb4cd334cee9ee3ca382b69d862311a570318e40f50779f08f1ea0333.exe
  • Size 576KB
  • Sample260905-grysjacb64
  • SHA256 8507473eb4cd334cee9ee3ca382b69d862311a570318e40f50779f08f1ea0333
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

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 17 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
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8507473eb4cd334cee9ee3ca382b69d862311a570318e40f50779f08f1ea0333.exe
    "C:\Users\Admin\AppData\Local\Temp\8507473eb4cd334cee9ee3ca382b69d862311a570318e40f50779f08f1ea0333.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:4384
  • C:\Windows\Syswow64\de458325
    C:\Windows\Syswow64\de458325
    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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        de458325

        • Path C:\Windows\SysWOW64\de458325
        • Size 576KB
        • SHA256 0e8ced77aa65f03afe234fb6218b333797217815de3b7fbc44402de9ead4dd51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2304-3-0x0000000000B20000-0x0000000000BAC000-memory.dmp

        memory/2304-16-0x0000000000B20000-0x0000000000BAC000-memory.dmp

        memory/2304-37-0x0000000000B20000-0x0000000000BAC000-memory.dmp

        memory/4384-0-0x0000000000D10000-0x0000000000D9C000-memory.dmp

        memory/4384-15-0x0000000000D10000-0x0000000000D9C000-memory.dmp