Analysis

  • max time kernel
    136s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 07:51

General

  • Target

    0c86ee36c9eeb493e69106d185f72195777f4f439bc6f2a57fa065a16cf6ed0e.exe

  • Size

    216KB

  • MD5

    2685bdaa57134131434aa4c74cbeeb50

  • SHA1

    99bc537aba805b7fa64c48bbc968671222e14c8d

  • SHA256

    0c86ee36c9eeb493e69106d185f72195777f4f439bc6f2a57fa065a16cf6ed0e

  • SHA512

    6adee0a0688291b8008efe0065d43c405a4c3afa548f789de904911f321fc79dd025f817dc6ecd65ea7665a484f85d92d26cad14996be857c508c25665dd1e6e

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 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
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c86ee36c9eeb493e69106d185f72195777f4f439bc6f2a57fa065a16cf6ed0e.exe
    "C:\Users\Admin\AppData\Local\Temp\0c86ee36c9eeb493e69106d185f72195777f4f439bc6f2a57fa065a16cf6ed0e.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1548
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c86ee36c9eeb493e69106d185f72195777f4f439bc6f2a57fa065a16cf6ed0e.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1252

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    5f37a289c9b0dfe3ad3cc8dc4120688f

    SHA1

    c6bb7636da0e6352d3cf207bdf520b159aeaef35

    SHA256

    b461541f82cb3cf89a9ba8497fdf211f977dc8b06b6fba5786dda150ce88c3c8

    SHA512

    303deb1c9a389e99c93e7a7b7943b466594fb1ada2dc8d95aac3d21becbb96aa592d7c4b8e3dd64f74b9afbeedeb374e35ab8721cf284016742279ba1ffc82f1

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

    MD5

    5f37a289c9b0dfe3ad3cc8dc4120688f

    SHA1

    c6bb7636da0e6352d3cf207bdf520b159aeaef35

    SHA256

    b461541f82cb3cf89a9ba8497fdf211f977dc8b06b6fba5786dda150ce88c3c8

    SHA512

    303deb1c9a389e99c93e7a7b7943b466594fb1ada2dc8d95aac3d21becbb96aa592d7c4b8e3dd64f74b9afbeedeb374e35ab8721cf284016742279ba1ffc82f1

  • memory/1548-60-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1732-55-0x0000000074F11000-0x0000000074F13000-memory.dmp

    Filesize

    8KB

  • memory/1732-59-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB