Analysis

  • max time kernel
    178s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 11:12

General

  • Target

    0501aa4c343ad91e6a093fefe822bda037f469ea974624bb0aee1c86f41afa7b.exe

  • Size

    36KB

  • MD5

    c83d51da8a2bf17ed34f4e7bf02dd473

  • SHA1

    e9d865d59175ad80875a673fffb8ca640bc48326

  • SHA256

    0501aa4c343ad91e6a093fefe822bda037f469ea974624bb0aee1c86f41afa7b

  • SHA512

    663258b6474c7f32d5eb181c030c09ba80e0977f8df81125e9b03ca843420af1301c920956ef4ab8265413ec6db600fb1b2e35f619a040f877a20d685b845a62

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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 49 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\0501aa4c343ad91e6a093fefe822bda037f469ea974624bb0aee1c86f41afa7b.exe
    "C:\Users\Admin\AppData\Local\Temp\0501aa4c343ad91e6a093fefe822bda037f469ea974624bb0aee1c86f41afa7b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2580
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0501aa4c343ad91e6a093fefe822bda037f469ea974624bb0aee1c86f41afa7b.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3788
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:400
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3324
  • 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:720
  • 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:3220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    6861e1930f2adc873ffe6e633ed0346d

    SHA1

    fb86ce98c3f7f859168cf880c2f9c1688d03f3db

    SHA256

    0528ed3da182bfa04ffed1d8113cc498459aa9d675d7fd4a71df2c341b02d69b

    SHA512

    6dd61f0603959f09d526c6ce8c8051d0a0726a4a626dd0d461e99dced14518110e58661883001182739bec58b22b2fe0325cc28df47b7fb3bd5522d3dc270baa

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

    6861e1930f2adc873ffe6e633ed0346d

    SHA1

    fb86ce98c3f7f859168cf880c2f9c1688d03f3db

    SHA256

    0528ed3da182bfa04ffed1d8113cc498459aa9d675d7fd4a71df2c341b02d69b

    SHA512

    6dd61f0603959f09d526c6ce8c8051d0a0726a4a626dd0d461e99dced14518110e58661883001182739bec58b22b2fe0325cc28df47b7fb3bd5522d3dc270baa