Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08/05/2026, 21:55

General

  • Target
    b97541fddc42059c8869b8c08727718a52271ed4c20628f4a45af30c7f9fdf0e.exe
  • Size 761KB
  • Sample260508-1synpsav5k
  • SHA256 b97541fddc42059c8869b8c08727718a52271ed4c20628f4a45af30c7f9fdf0e
  • 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 5 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b97541fddc42059c8869b8c08727718a52271ed4c20628f4a45af30c7f9fdf0e.exe
    "C:\Users\Admin\AppData\Local\Temp\b97541fddc42059c8869b8c08727718a52271ed4c20628f4a45af30c7f9fdf0e.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:4680
  • C:\Windows\Syswow64\899537c3
    C:\Windows\Syswow64\899537c3
    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:3296

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        899537c3

        • Path C:\Windows\SysWOW64\899537c3
        • Size 761KB
        • SHA256 6fe2b647862ff8026131411b4a414c606d066b21ff4309a1635e78c0f81c0d32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3296-3-0x0000000000AE0000-0x0000000000B6C000-memory.dmp

        memory/3296-11-0x0000000000AE0000-0x0000000000B6C000-memory.dmp

        memory/3296-16-0x0000000000AE0000-0x0000000000B6C000-memory.dmp

        memory/4680-0-0x0000000000FF0000-0x000000000107C000-memory.dmp

        memory/4680-10-0x0000000000FF0000-0x000000000107C000-memory.dmp