Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    14-04-2021 02:30

General

  • Target

    14118.biy.dll

  • Size

    42KB

  • MD5

    64ee7574265691eb7636af9de468ce11

  • SHA1

    66486c4d36d82d0c2eaefe4d6cf170224b1fb1af

  • SHA256

    df16b3c76350f340988759cc21a78a7cf16831f08e95eb7592b86942859f863a

  • SHA512

    6a2d2b1c19bfe05af7457d5faf61f1bcaebed1955f3210b62c187a51242f4fd565b479be38e36facbda9ef45d3f80d41e491e550bef027ad33d33e851970de70

Score
10/10

Malware Config

Signatures

  • Nloader

    Simple loader that includes the keyword 'campo' in the URL used to download other families.

  • Nloader Payload 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\14118.biy.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\14118.biy.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 432
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1072

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1072-62-0x0000000000000000-mapping.dmp

  • memory/1072-63-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

  • memory/1884-59-0x0000000000000000-mapping.dmp

  • memory/1884-60-0x00000000757E1000-0x00000000757E3000-memory.dmp

    Filesize

    8KB

  • memory/1884-61-0x0000000000140000-0x0000000000145000-memory.dmp

    Filesize

    20KB