Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/06/2026, 03:44

General

  • Target
    2026-06-03_8ee262eed6ce9efe6be10ebd9fc41aa9_elex_gh0st-rat_nitol_scribble_virut_wannacry.exe
  • Size 65KB
  • Sample260603-eamylag19y
  • SHA256 df075186680e726046ff277a616984f2225f4087a2c3f2996116e5a9d4c4a63e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Custom signature
    Detects Windows executables referencing non-Windows User-Agents 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-03_8ee262eed6ce9efe6be10ebd9fc41aa9_elex_gh0st-rat_nitol_scribble_virut_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-03_8ee262eed6ce9efe6be10ebd9fc41aa9_elex_gh0st-rat_nitol_scribble_virut_wannacry.exe"
    1⤵
    • Modifies firewall policy service
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    PID:3396
  • C:\Windows\SysWOW64\varpas.exe
    C:\Windows\SysWOW64\varpas.exe
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 412
      2⤵
      • Program crash
      PID:1616
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 1688 -ip 1688
    1⤵
      PID:1092

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          varpas.exe

          • Path C:\Windows\SysWOW64\varpas.exe
          • Size 65KB
          • SHA256 df075186680e726046ff277a616984f2225f4087a2c3f2996116e5a9d4c4a63e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1688-12-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/3396-3-0x0000000077BF5000-0x0000000077BF6000-memory.dmp

          memory/3396-0-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/3396-4-0x000000007FE70000-0x000000007FE7C000-memory.dmp

          memory/3396-5-0x000000007FE70000-0x000000007FE7C000-memory.dmp

          memory/3396-2-0x0000000077BF4000-0x0000000077BF5000-memory.dmp

          memory/3396-9-0x000000007FE60000-0x000000007FE6C000-memory.dmp

          memory/3396-11-0x000000007FE60000-0x000000007FE6C000-memory.dmp

          memory/3396-10-0x000000007FE60000-0x000000007FE6C000-memory.dmp

          memory/3396-1-0x000000007FE70000-0x000000007FE7C000-memory.dmp

          memory/3396-13-0x000000007FE60000-0x000000007FE6C000-memory.dmp

          memory/3396-16-0x000000007FE70000-0x000000007FE7C000-memory.dmp

          memory/3396-20-0x0000000000400000-0x0000000000415000-memory.dmp