Analysis

  • max time kernel
    113s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    20-03-2021 12:50

General

  • Target

    viri.exe.dll

  • Size

    37KB

  • MD5

    8539346052a26e7afb4c7e4331c88448

  • SHA1

    6be665d2139f14759a025543b83c4c0cbff70687

  • SHA256

    492992c706bb70b10eedb7952c287ec1df35fceb32f4d050a18f51bb6e60e303

  • SHA512

    4d380dbc13def50a6033498174c1fa26f74e3545701deaccab42111ea205d5592f584bf2980ea71c0260d9a67f742c2c9c64267ee73f5f2b9e169e84b69e8753

Score
10/10

Malware Config

Signatures

  • Nloader

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

  • Nloader Payload 4 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\viri.exe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\viri.exe.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 456
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1364

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1364-8-0x0000000000000000-mapping.dmp

  • memory/1364-9-0x0000000000900000-0x0000000000911000-memory.dmp

    Filesize

    68KB

  • memory/1364-10-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/1924-2-0x0000000000000000-mapping.dmp

  • memory/1924-3-0x00000000760D1000-0x00000000760D3000-memory.dmp

    Filesize

    8KB

  • memory/1924-4-0x0000000000100000-0x0000000000109000-memory.dmp

    Filesize

    36KB

  • memory/1924-5-0x0000000010000000-0x0000000010007000-memory.dmp

    Filesize

    28KB

  • memory/1924-6-0x00000000001D0000-0x00000000001D5000-memory.dmp

    Filesize

    20KB

  • memory/1924-7-0x00000000000F0000-0x00000000000F6000-memory.dmp

    Filesize

    24KB