Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/09/2026, 19:05

General

  • Target
    pear.exe
  • Size 916KB
  • Sample260907-xrm9sseq9t
  • SHA256 df6d0bd21c124a00510fe2ff5e4923b4f95b61edfbcd06bbef21ee21b33d629d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates a file in the Startup directory 1 TTPs 4 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pear.exe
    "C:\Users\Admin\AppData\Local\Temp\pear.exe"
    1⤵
    • Creates a file in the Startup directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe
      "C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe"
      2⤵
      • Creates a file in the Startup directory
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1668
  • C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe
    "C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe" --service
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe
      "C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe" --session-helper
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3276

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        PrimeClientClient.exe

        • Path C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe
        • Size 916KB
        • SHA256 df6d0bd21c124a00510fe2ff5e4923b4f95b61edfbcd06bbef21ee21b33d629d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PrimeClientClient.exe.cleanup

        • Path C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe.cleanup
        • Size 42B
        • SHA256 479b582e3562fd53b24e982bc829fbbb7de1749788c0a9439500760b8ca5e5db
        • MD5 SHA1 SHA512

        PrimeClientClient.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PrimeClientClient.lnk
        • Size 1KB
        • SHA256 3b8a6eda8696675df7cb1d07c84bcf03f5371ed54d67b2c5f4fc3de595b07d0b
        • MD5 SHA1 SHA512 TLSH

        memory/1668-17-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/1668-45-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/1668-16-0x00000000006D0000-0x00000000006D1000-memory.dmp

        memory/1668-27-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/1668-28-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/1668-46-0x00000000008A0000-0x000000000098C000-memory.dmp

        memory/1668-13-0x00000000008A0000-0x000000000098C000-memory.dmp

        memory/2340-9-0x00000000008C0000-0x00000000009AC000-memory.dmp

        memory/3276-60-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/3276-62-0x00000000008A0000-0x000000000098C000-memory.dmp

        memory/3628-42-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/3628-43-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/3628-31-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/3628-41-0x0000000066CC0000-0x0000000066E40000-memory.dmp

        memory/3628-61-0x00000000008A0000-0x000000000098C000-memory.dmp