Analysis

  • max time kernel
    151s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 12:48

General

  • Target

    0058b20683304f0879571f99448f997700896c627e1aaaeb26f0c3a535d34322.exe

  • Size

    92KB

  • MD5

    84946bbc703130525d6ce4e12f6d70d9

  • SHA1

    74942d38fcd15cd17e0cc1b63b3e45ee83a8b587

  • SHA256

    0058b20683304f0879571f99448f997700896c627e1aaaeb26f0c3a535d34322

  • SHA512

    f4721e90c092bcadc682abf85b5989c4cd0e8947a4edcfec34f1e666e41f6f39f7fcc58592466e09853d13409731f50542cc47fbab91a0f930022916d0b15a51

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
  • 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\0058b20683304f0879571f99448f997700896c627e1aaaeb26f0c3a535d34322.exe
    "C:\Users\Admin\AppData\Local\Temp\0058b20683304f0879571f99448f997700896c627e1aaaeb26f0c3a535d34322.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1124
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0058b20683304f0879571f99448f997700896c627e1aaaeb26f0c3a535d34322.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1876

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    27c2d6c85ea34b6a713ae8f3505758e8

    SHA1

    3db103421f5a1efb9596143cd776c7f7e43dca4e

    SHA256

    b3a165559bc5e312b5934a9830e122e4613130e6185110f8a4987074e495d377

    SHA512

    36a18cd2811ead8aaa639926895629b6586409a044e9520e97ea218ba8659dd075bc6c45068ff485ecc230d3315a8214bdcd636ec05fbf0e33680a74cada14f6

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

    MD5

    27c2d6c85ea34b6a713ae8f3505758e8

    SHA1

    3db103421f5a1efb9596143cd776c7f7e43dca4e

    SHA256

    b3a165559bc5e312b5934a9830e122e4613130e6185110f8a4987074e495d377

    SHA512

    36a18cd2811ead8aaa639926895629b6586409a044e9520e97ea218ba8659dd075bc6c45068ff485ecc230d3315a8214bdcd636ec05fbf0e33680a74cada14f6

  • memory/1572-54-0x0000000075D11000-0x0000000075D13000-memory.dmp

    Filesize

    8KB