Analysis

  • max time kernel
    163s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 10:57

General

  • Target

    05adf712a9c938377cce214ede0b13d627f656d0a929b2734528d4254cd30e9d.exe

  • Size

    60KB

  • MD5

    e6303b6b0a1eeea73b6d1f81995123b3

  • SHA1

    60014e56013b00f1e6bd7cf486e34a1a46f8ba73

  • SHA256

    05adf712a9c938377cce214ede0b13d627f656d0a929b2734528d4254cd30e9d

  • SHA512

    24a097c88968f1aa2847dc2bd41f95f17018aca4e2b2f6850ad6199ee9074fb85db048a881789569c552ec496b6367f70a8be5641f1a5cada769ae6d61bd3a2d

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 50 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\05adf712a9c938377cce214ede0b13d627f656d0a929b2734528d4254cd30e9d.exe
    "C:\Users\Admin\AppData\Local\Temp\05adf712a9c938377cce214ede0b13d627f656d0a929b2734528d4254cd30e9d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3400
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05adf712a9c938377cce214ede0b13d627f656d0a929b2734528d4254cd30e9d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3508
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3536
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2132
  • 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:2948
  • 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:4076

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    eb7a4d1c66138307b40f029ef981bc26

    SHA1

    6aa1695875af9c91e678851c51434b0ce2860adb

    SHA256

    1ed31c9482fc54b970c16a2f0dda3d8cac824c5acab5f737698b848e0b766543

    SHA512

    95a092be8307ec41d385162eccae6307582c9d666ed74a399ee8136b2b58c16916a7d7b433bb55c7a37d5aeafc88c97d0402e5521746e25edd96cd9781ced6e7

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

    eb7a4d1c66138307b40f029ef981bc26

    SHA1

    6aa1695875af9c91e678851c51434b0ce2860adb

    SHA256

    1ed31c9482fc54b970c16a2f0dda3d8cac824c5acab5f737698b848e0b766543

    SHA512

    95a092be8307ec41d385162eccae6307582c9d666ed74a399ee8136b2b58c16916a7d7b433bb55c7a37d5aeafc88c97d0402e5521746e25edd96cd9781ced6e7