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
    31/05/2026, 02:34

General

  • Target
    PulsarExecutor.exe
  • Size 2.0MB
  • Sample260531-c2fbqaay7p
  • SHA256 d5b8ae432ea1553b698224f8ca5b55939d6cc93327a90d49bf76b33bb81327fe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 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.

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PulsarExecutor.exe
    "C:\Users\Admin\AppData\Local\Temp\PulsarExecutor.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Users\Admin\AppData\Local\Temp\is-DXH3DKLHGP.tmp\PulsarExecutor.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DXH3DKLHGP.tmp\PulsarExecutor.tmp" /SL5="$5028C,893952,893952,C:\Users\Admin\AppData\Local\Temp\PulsarExecutor.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3624

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PulsarExecutor.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-DXH3DKLHGP.tmp\PulsarExecutor.tmp
        • Size 4.2MB
        • SHA256 c2c764593c4fdad2fc3cc433fe0fecc0082ea834f70db968ad1ca4ca71a5b1f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3624-15-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-21-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-35-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-9-0x00000000013F0000-0x00000000013F1000-memory.dmp

        memory/3624-8-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-11-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-13-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-33-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-5-0x00000000013F0000-0x00000000013F1000-memory.dmp

        memory/3624-17-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-19-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-23-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-25-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-27-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-29-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/3624-31-0x00000000005E0000-0x0000000000A2C000-memory.dmp

        memory/5076-0-0x0000000000180000-0x0000000000269000-memory.dmp

        memory/5076-7-0x0000000000180000-0x0000000000269000-memory.dmp