Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    14-12-2021 08:15

General

  • Target

    Oleacc.dll

  • Size

    9.0MB

  • MD5

    96e5dabb986d4a653ba7382f14e9f4af

  • SHA1

    2af9c00f61fd821f7dbdbd222e2ca2b1652ecca7

  • SHA256

    e116a603ceb5d60463f54ad79b31b9a04a21b2c8afea1fb72149db2805a4d4d8

  • SHA512

    6c37f8890ffe8a89d143e00a0e1368af1a43bd9d42025e185d879f61fe7307bce60c4055eab4da3a00cd1e13f1cb21b5b0548bae48087c960b49c3b7eb529878

Score
10/10

Malware Config

Signatures

  • Detect Numando Payload 1 IoCs
  • Numando

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oleacc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3800
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oleacc.dll,#1
      2⤵
        PID:520
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 520 -s 716
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:940

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/520-115-0x0000000000000000-mapping.dmp

    • memory/520-116-0x0000000004B00000-0x000000000540F000-memory.dmp

      Filesize

      9.1MB