Analysis

  • max time kernel
    171s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 04:40

General

  • Target

    14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe

  • Size

    216KB

  • MD5

    efdff07fb8c20b30f10dd40d7092d799

  • SHA1

    afc66ce74905484fb662d0c78d8fb9f0777d4f59

  • SHA256

    14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717

  • SHA512

    7308521b7156117289e1bf5ce6a767d0246006d24c2eb933d7d703593bb5feed656fb037fc543b36835a876e63ab245669bb1f21585adc53ba8437bd1d932a04

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 IoCs
  • 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 4 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\14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe
    "C:\Users\Admin\AppData\Local\Temp\14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3548
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2500
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1000
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2932
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3672
  • 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:1912
  • 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:3900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    5b296f288a3b1dbde093219e496e4aac

    SHA1

    fafcd9dfb6c973a206859ad52820e98ff5bd526d

    SHA256

    5587300608989f7324ef179e9f04ae41550a20c29c609d6c42474c8231d89a60

    SHA512

    072c3f3439e17abe684fdc48182d374455f11a6543d7e293d8d1910aa173e77d3ff6715c7ab60cbf164e1420e72aa341d8e539a56ebff8e5c237b339d9a407df

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

    MD5

    5b296f288a3b1dbde093219e496e4aac

    SHA1

    fafcd9dfb6c973a206859ad52820e98ff5bd526d

    SHA256

    5587300608989f7324ef179e9f04ae41550a20c29c609d6c42474c8231d89a60

    SHA512

    072c3f3439e17abe684fdc48182d374455f11a6543d7e293d8d1910aa173e77d3ff6715c7ab60cbf164e1420e72aa341d8e539a56ebff8e5c237b339d9a407df

  • memory/220-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3548-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB