Analysis

  • max time kernel
    76s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2022, 10:31

General

  • Target
    Pepsico LLC RFQ 100729150.com.exe
  • Size 538KB
  • Sample220905-mkd3fahhh5
  • SHA256 2913af21f64f8eeb78cacb0ec413992fc67abf2b2615d3a0e6d499d32f94c436
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Pepsico LLC RFQ 100729150.com.exe
    "C:\Users\Admin\AppData\Local\Temp\Pepsico LLC RFQ 100729150.com.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    PID:3600
    • C:\Users\Admin\AppData\Local\Temp\Pepsico LLC RFQ 100729150.com.exe
      "C:\Users\Admin\AppData\Local\Temp\Pepsico LLC RFQ 100729150.com.exe"
      2⤵
        PID:3992

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsp6E03.tmp\System.dll
          • Size 12KB
          • SHA256 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
          • MD5 SHA1 SHA512 SSDEEP

          memory/3600-133-0x0000000003130000-0x0000000003231000-memory.dmp

          memory/3600-134-0x0000000003130000-0x0000000003231000-memory.dmp

          memory/3600-135-0x00007FFAF7C30000-0x00007FFAF7E25000-memory.dmp

          memory/3600-136-0x0000000077510000-0x00000000776B3000-memory.dmp

          memory/3600-138-0x0000000077510000-0x00000000776B3000-memory.dmp

          memory/3600-141-0x0000000077510000-0x00000000776B3000-memory.dmp

          memory/3992-139-0x0000000000400000-0x0000000001654000-memory.dmp

          memory/3992-140-0x0000000001660000-0x0000000001760000-memory.dmp

          memory/3992-142-0x0000000001660000-0x0000000001760000-memory.dmp