Analysis

  • max time kernel
    149s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:20

General

  • Target

    0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe

  • Size

    216KB

  • MD5

    7f0eefea9b5a52b33f9ef490f599a1fe

  • SHA1

    4346091f85766bce7167d87312e05f2073a15bff

  • SHA256

    0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87

  • SHA512

    2258572f2bdcd9cfb5c8e9943f5f1d00a59d43aea39db2f6cb95887dd741f79b0660cf332fec82375bdc28e7d575711ff0cd756228c76adf032fcc5884b6efd7

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 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\0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe
    "C:\Users\Admin\AppData\Local\Temp\0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1628
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1936
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:320
  • 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:2280
  • 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:3240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    85c93d9629c39bbed10acea29a4b53ab

    SHA1

    8d62d3541e3217b5e8366a6468624b0053b1f417

    SHA256

    5ead31e19a4908c1fa0ffe70e62197fe8ef5e3162029406318ce935254c0e36f

    SHA512

    fac252cc184dca36e47d47953c68b72f56e19e554657691cc6bc403fbb7243d33dbff2a2406baefa6febcb17330b51c5ad89a5b1500dbdc00a5d36e62608f655

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

    85c93d9629c39bbed10acea29a4b53ab

    SHA1

    8d62d3541e3217b5e8366a6468624b0053b1f417

    SHA256

    5ead31e19a4908c1fa0ffe70e62197fe8ef5e3162029406318ce935254c0e36f

    SHA512

    fac252cc184dca36e47d47953c68b72f56e19e554657691cc6bc403fbb7243d33dbff2a2406baefa6febcb17330b51c5ad89a5b1500dbdc00a5d36e62608f655

  • memory/1628-133-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/4076-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB