Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 06:14

General

  • Target

    108518289c20a01b1d748ccfa33e32e184c64cf65c7b91fda0509814f33a1fdc.exe

  • Size

    150KB

  • MD5

    6c549ed77a70301a03b92b091059123c

  • SHA1

    d23e43353556c33bfa53c3cfc6a68ee04353c106

  • SHA256

    108518289c20a01b1d748ccfa33e32e184c64cf65c7b91fda0509814f33a1fdc

  • SHA512

    606729b529142a919ba4978401b1931a0229bcddde43bd6dbe5ccf678e10e1a19126d96aa3f355e955bfef94a6cb38a78611aa72eaf1742581f62076402addca

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\108518289c20a01b1d748ccfa33e32e184c64cf65c7b91fda0509814f33a1fdc.exe
    "C:\Users\Admin\AppData\Local\Temp\108518289c20a01b1d748ccfa33e32e184c64cf65c7b91fda0509814f33a1fdc.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\108518289c20a01b1d748ccfa33e32e184c64cf65c7b91fda0509814f33a1fdc.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1060
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    29149302a0f0da51097ee3eef356f94d

    SHA1

    fdf265ff129b103922aeac2357d0046ea8a7ee12

    SHA256

    92f1f04cd48178fc5559429dabd77cdcabeef6dd1d2827fd48995cd2f047e5e0

    SHA512

    32faf05d81a2057147755f7760427a08e588e9d19e24eab395e133e354b952c291fd4ab0b6104e8710431527ba524ef3629f18886b34b45090201c96f591a96f

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

    MD5

    29149302a0f0da51097ee3eef356f94d

    SHA1

    fdf265ff129b103922aeac2357d0046ea8a7ee12

    SHA256

    92f1f04cd48178fc5559429dabd77cdcabeef6dd1d2827fd48995cd2f047e5e0

    SHA512

    32faf05d81a2057147755f7760427a08e588e9d19e24eab395e133e354b952c291fd4ab0b6104e8710431527ba524ef3629f18886b34b45090201c96f591a96f

  • memory/848-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

    Filesize

    8KB