Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/11/2025, 14:05

General

  • Target
    transferencia interbancaria BBVA.exe
  • Size 786KB
  • Sample251106-rd1ebafz9f
  • SHA256 bf405d5470cb9900f08371031043f5c7c7a790fbc2af3b7d1fe43f9dbca1b705
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • petro4prime.ydns.eu:5909

Attributes
  • Install_directory

    %AppData%

  • install_file

    PowerPoint.exe

Signatures

  • Darktortilla

    DarkTortilla is a highly configurable .NET based crypter that delivers a wide range of information stealers.

  • Darktortilla family
  • Detect Xworm Payload 1 IoCs
  • Detects Darktortilla crypter. 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\transferencia interbancaria BBVA.exe
    "C:\Users\Admin\AppData\Local\Temp\transferencia interbancaria BBVA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5652
    • C:\Users\Admin\AppData\Local\Temp\transferencia interbancaria BBVA.exe
      "C:\Users\Admin\AppData\Local\Temp\transferencia interbancaria BBVA.exe"
      2⤵
        PID:5220
      • C:\Users\Admin\AppData\Local\Temp\transferencia interbancaria BBVA.exe
        "C:\Users\Admin\AppData\Local\Temp\transferencia interbancaria BBVA.exe"
        2⤵
        • Drops startup file
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1188

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1188-12-0x0000000000400000-0x0000000000416000-memory.dmp

          memory/1188-20-0x0000000004E30000-0x0000000004E40000-memory.dmp

          memory/1188-19-0x0000000005C70000-0x0000000005CD6000-memory.dmp

          memory/1188-18-0x0000000004E30000-0x0000000004E40000-memory.dmp

          memory/5652-4-0x0000000005A70000-0x0000000005AB0000-memory.dmp

          memory/5652-5-0x0000000005C50000-0x0000000005C60000-memory.dmp

          memory/5652-6-0x0000000005AE0000-0x0000000005AEA000-memory.dmp

          memory/5652-7-0x0000000005C50000-0x0000000005C60000-memory.dmp

          memory/5652-8-0x00000000071F0000-0x0000000007206000-memory.dmp

          memory/5652-9-0x0000000007980000-0x0000000007986000-memory.dmp

          memory/5652-10-0x0000000005C50000-0x0000000005C60000-memory.dmp

          memory/5652-11-0x0000000005C50000-0x0000000005C60000-memory.dmp

          memory/5652-0-0x0000000000D20000-0x0000000000DEA000-memory.dmp

          memory/5652-3-0x00000000059D0000-0x0000000005A6C000-memory.dmp

          memory/5652-2-0x0000000005890000-0x0000000005922000-memory.dmp

          memory/5652-1-0x0000000005E40000-0x00000000063E6000-memory.dmp