Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:13

General

  • Target

    0aae946594b68de5057b51ce36be182b2f22dad95c26ef0212715b8e93d8d7af.exe

  • Size

    168KB

  • MD5

    1b4f253a40f516d1c82b5954c9c9a265

  • SHA1

    28a739c4609670d08e202fad864a0fc6ac1311af

  • SHA256

    0aae946594b68de5057b51ce36be182b2f22dad95c26ef0212715b8e93d8d7af

  • SHA512

    2cbc6ca3b6a5ff87b383c4c63f143e19cca175daf00102f61d9eb29e8fb463ef02fac68a3abad346ff7a317e82305e11f967ffb5f6f3de81d30f65cb8371764a

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 55 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0aae946594b68de5057b51ce36be182b2f22dad95c26ef0212715b8e93d8d7af.exe
    "C:\Users\Admin\AppData\Local\Temp\0aae946594b68de5057b51ce36be182b2f22dad95c26ef0212715b8e93d8d7af.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2404
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0aae946594b68de5057b51ce36be182b2f22dad95c26ef0212715b8e93d8d7af.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3920
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3996
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3024
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    2f27016eaea6fec1129a4e70ebb385a6

    SHA1

    03883b685d235e18afea569ef2304ecf94c8addb

    SHA256

    ded9e52004230897ef86b09c5e9a2fd766a7dd1ef69a451190ef5b6f1e025c3e

    SHA512

    b7549aa84c07a34689d6e25596150be215ffe1ece8b1865ef4912d8fd00ba81205d31c7d6ad5895c17aa173078434dcbfb872b2041bb15c11ef9096fc742d891

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    2f27016eaea6fec1129a4e70ebb385a6

    SHA1

    03883b685d235e18afea569ef2304ecf94c8addb

    SHA256

    ded9e52004230897ef86b09c5e9a2fd766a7dd1ef69a451190ef5b6f1e025c3e

    SHA512

    b7549aa84c07a34689d6e25596150be215ffe1ece8b1865ef4912d8fd00ba81205d31c7d6ad5895c17aa173078434dcbfb872b2041bb15c11ef9096fc742d891

  • memory/2404-133-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/2484-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB