Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:09

General

  • Target

    0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe

  • Size

    216KB

  • MD5

    52e325139052d32d3e0d19d0a6b8685e

  • SHA1

    ed7dc1e145eed6d170190acacef337f21669295e

  • SHA256

    0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12

  • SHA512

    c737f54739ab91d167500745575a965f461aace89c56d078030375babd972369ef6fb1493087b1101543cfa9804d36b8ba4c12f914dcb6fa77fcde8b2e177f76

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 52 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\0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe
    "C:\Users\Admin\AppData\Local\Temp\0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2796
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:60
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:4040
  • 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:1928
  • 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:2556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    d2c35ee80116ac6d610ee47bbb364cef

    SHA1

    c5fb8e9f60ae1ca90b6d8151255e9bdc4da365a2

    SHA256

    ae8dc77671cde8158cf41c3033e53c56066c07e234290c19ab3982c7f9043297

    SHA512

    a88a180c67716ffaba21978f4a5be2755747261e5f4d3c965a243b8d94b3f85266e3c034eeeac0d8cf46c631f35dde9ba75d1913e738b5aa8c2f9e2b0c9e25c4

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

    d2c35ee80116ac6d610ee47bbb364cef

    SHA1

    c5fb8e9f60ae1ca90b6d8151255e9bdc4da365a2

    SHA256

    ae8dc77671cde8158cf41c3033e53c56066c07e234290c19ab3982c7f9043297

    SHA512

    a88a180c67716ffaba21978f4a5be2755747261e5f4d3c965a243b8d94b3f85266e3c034eeeac0d8cf46c631f35dde9ba75d1913e738b5aa8c2f9e2b0c9e25c4

  • memory/2796-133-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3452-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB