Analysis

  • max time kernel
    158s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 10:10

General

  • Target

    07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe

  • Size

    80KB

  • MD5

    8b54f5affc9a09286293c9ac1a9b32dd

  • SHA1

    c8329fd729b5daa2733c9aee4563647b10c6e967

  • SHA256

    07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b

  • SHA512

    16f7d869297e0e70d85c86842a21ecd9e2132077ca9d39f77a7e96a2e64872cf6ecf6807b4b73543de6ee71344318f2f5d8702907e0fb136905e4cbb3b57d5db

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 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 54 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\07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe
    "C:\Users\Admin\AppData\Local\Temp\07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3636
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3272
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3816
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2876
  • 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:1364
  • 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:4068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    6c39db513a630d1b9753cd98a3c120e5

    SHA1

    ff51fa9a0e9010764966d1d7747a5ae1a43d1fb9

    SHA256

    ee21bc6507d31cbd2438ed5d139c6d51017557c3c6509a086632bb9134efd1ef

    SHA512

    41e76520b2811636ab4e85c8d405e0a59d59df0f80336a574ad427ead19269ba123e51cc76a34aaf9864f1ae091f4875803e8dc6d2565c62e8aedc5bc3535049

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

    6c39db513a630d1b9753cd98a3c120e5

    SHA1

    ff51fa9a0e9010764966d1d7747a5ae1a43d1fb9

    SHA256

    ee21bc6507d31cbd2438ed5d139c6d51017557c3c6509a086632bb9134efd1ef

    SHA512

    41e76520b2811636ab4e85c8d405e0a59d59df0f80336a574ad427ead19269ba123e51cc76a34aaf9864f1ae091f4875803e8dc6d2565c62e8aedc5bc3535049