Analysis

  • max time kernel
    125s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14-04-2022 05:55

General

  • Target

    f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll

  • Size

    4.3MB

  • MD5

    80ff198cb4385824119be0dbae268a88

  • SHA1

    82a0c9d7f9c2ecc22b6ab3c597a6632987b7427f

  • SHA256

    f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed

  • SHA512

    c1a4f761174c8ee038708dcd2c95a5e954c4bc8f1697afd3e007408377e0cd7db5761fc8930081955d743fe77198c62d1f4a5324a481486c4d09ac02053f1829

Malware Config

Signatures

  • Banload

    Banload variants download malicious files, then install and execute the files.

  • Detect Numando Payload 6 IoCs
  • Numando

    Numando is a banking trojan/backdoor targeting Latin America which uses Youtube and Pastebin for C2 communications.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Program crash 1 IoCs
  • Modifies registry class 5 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll,#1
      2⤵
      • Checks BIOS information in registry
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      PID:5112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 1060
        3⤵
        • Program crash
        PID:4176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 5112
    1⤵
      PID:4060

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5112-133-0x0000000000000000-mapping.dmp

    • memory/5112-134-0x00000000025C0000-0x0000000003386000-memory.dmp

      Filesize

      13.8MB

    • memory/5112-135-0x0000000003BF0000-0x0000000003DFC000-memory.dmp

      Filesize

      2.0MB

    • memory/5112-141-0x0000000003BF0000-0x0000000003DFC000-memory.dmp

      Filesize

      2.0MB

    • memory/5112-142-0x00000000025C0000-0x0000000003386000-memory.dmp

      Filesize

      13.8MB

    • memory/5112-143-0x00000000025C0000-0x0000000003386000-memory.dmp

      Filesize

      13.8MB

    • memory/5112-144-0x00000000025C0000-0x0000000003386000-memory.dmp

      Filesize

      13.8MB

    • memory/5112-145-0x00000000025C0000-0x0000000003386000-memory.dmp

      Filesize

      13.8MB

    • memory/5112-146-0x00000000025C0000-0x0000000003386000-memory.dmp

      Filesize

      13.8MB

    • memory/5112-147-0x00000000025C1000-0x0000000002887000-memory.dmp

      Filesize

      2.8MB