Analysis

  • max time kernel
    167s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 05:47

General

  • Target

    11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe

  • Size

    216KB

  • MD5

    23a561d8e5d90eb1da6a532c6cf0a641

  • SHA1

    d8db4cc832c5078f1954bb72ed2506b67fc82c26

  • SHA256

    11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70

  • SHA512

    d2866e3c20ea962e9af37e26cab49cda89b8f38bebf1528c759a27c44ce7d79da8fd501d26475e4ef034894fe7d4ec6aa94c4ccf4e731fe6d095fd4ab535ee04

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 56 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\11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe
    "C:\Users\Admin\AppData\Local\Temp\11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:816
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2472
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2924
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
    1⤵
    • Checks processor information in registry
    PID:804
  • 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:3796
  • 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:1752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    ff0a8363ee20251c87b7ccd005553768

    SHA1

    39388ca94ef48ef1a4998ca4acea6e688449eb2a

    SHA256

    2b6e3ab676ae1b6fc2dbbf9ecd5b8b89d014fecf32cf8af0962ab89ff45a2c16

    SHA512

    7bc8f91e0ebc428b163fc149c07d994ac04ec47ffd11759273260a59e90a4539b712ecc6178dbdc7aa49a60f3f5684acbc0815f8c8350ae0c039944c1d1a640c

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

    MD5

    ff0a8363ee20251c87b7ccd005553768

    SHA1

    39388ca94ef48ef1a4998ca4acea6e688449eb2a

    SHA256

    2b6e3ab676ae1b6fc2dbbf9ecd5b8b89d014fecf32cf8af0962ab89ff45a2c16

    SHA512

    7bc8f91e0ebc428b163fc149c07d994ac04ec47ffd11759273260a59e90a4539b712ecc6178dbdc7aa49a60f3f5684acbc0815f8c8350ae0c039944c1d1a640c

  • memory/816-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3884-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB