Analysis

  • max time kernel
    149s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 19:16

General

  • Target
    jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe
  • Size 143KB
  • Sample261012-xyydcazsgv
  • SHA256 dc955b15b1cc33cac5d9cd043899327357d056c58787c9413388c668b2856280
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 3 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4360
    • \??\c:\windows\assesorio.exe
      c:\windows\assesorio.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4396
  • \??\c:\windows\assesorio.exe
    "c:\windows\assesorio.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:1556

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        assesorio.exe

        • Path C:\Windows\assesorio.exe
        • Size 143KB
        • SHA256 dc955b15b1cc33cac5d9cd043899327357d056c58787c9413388c668b2856280
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1556-15-0x00000000007E0000-0x00000000007E2000-memory.dmp

        memory/1556-19-0x0000000000400000-0x00000000005A9000-memory.dmp

        memory/4360-0-0x0000000000400000-0x00000000005A9000-memory.dmp

        memory/4360-1-0x00000000006B0000-0x00000000006B2000-memory.dmp

        memory/4360-20-0x0000000000400000-0x00000000005A9000-memory.dmp

        memory/4360-21-0x00000000006B0000-0x00000000006B2000-memory.dmp

        memory/4360-23-0x0000000000400000-0x00000000005A9000-memory.dmp

        memory/4396-10-0x0000000000700000-0x0000000000702000-memory.dmp

        memory/4396-22-0x0000000000400000-0x00000000005A9000-memory.dmp

        memory/4396-24-0x0000000000700000-0x0000000000702000-memory.dmp

        memory/4396-26-0x0000000000400000-0x00000000005A9000-memory.dmp