Analysis

  • max time kernel
    140s
  • max time network
    164s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-01-2022 14:10

General

  • Target

    ee80950f47bb89d573cc3fca7402bdbcf157b89cd82691dafa3f033ed15266ef.exe

  • Size

    89KB

  • MD5

    7d2c9936bff1e716b8758376cd09505d

  • SHA1

    b978f8121314aa8801dd5c03213a603124547d1f

  • SHA256

    ee80950f47bb89d573cc3fca7402bdbcf157b89cd82691dafa3f033ed15266ef

  • SHA512

    619d3bbd8a46fd30f6f0da24becde4c78d9bbd16e45b4ca8e06787be384206df63685358ca0e27303c618a9b0547c74509b5eed1abad3edf9c8f72346e89664c

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee80950f47bb89d573cc3fca7402bdbcf157b89cd82691dafa3f033ed15266ef.exe
    "C:\Users\Admin\AppData\Local\Temp\ee80950f47bb89d573cc3fca7402bdbcf157b89cd82691dafa3f033ed15266ef.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ee80950f47bb89d573cc3fca7402bdbcf157b89cd82691dafa3f033ed15266ef.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:408

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    MD5

    e4d0f4c189cac48dd639a98b5c10d703

    SHA1

    a9cac4152e1e539cab73718dc17c067cd5e7573d

    SHA256

    c5ce0327a094218fa09f27ca305f7e59a9fda5f9e38d3c47d2e79ced6d3d6645

    SHA512

    ea3b450b7307715ed1ddc6dbec367cd70fa1af9472ba1c143d678d472b2bcc4d5d33d614d836dbc480aaaf373bba4197c13d1892910d30183381e8398093e8d6

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    MD5

    e4d0f4c189cac48dd639a98b5c10d703

    SHA1

    a9cac4152e1e539cab73718dc17c067cd5e7573d

    SHA256

    c5ce0327a094218fa09f27ca305f7e59a9fda5f9e38d3c47d2e79ced6d3d6645

    SHA512

    ea3b450b7307715ed1ddc6dbec367cd70fa1af9472ba1c143d678d472b2bcc4d5d33d614d836dbc480aaaf373bba4197c13d1892910d30183381e8398093e8d6