Analysis

  • max time kernel
    156s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:13

General

  • Target

    0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe

  • Size

    184KB

  • MD5

    a21100b0fa08feb64eb7aabda36fda5c

  • SHA1

    da7bc43b033a370088b99b9d068a8f141855a9cb

  • SHA256

    0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035

  • SHA512

    32bf2489c69bbb5e0e38d1b273ecaf14a6c01d481b4fe6a4483d6455576d13354c0ef0c6d4de8c30891afae9e6a7e1969fa35096acf5e93818b7fe9c93a16854

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 52 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\0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe
    "C:\Users\Admin\AppData\Local\Temp\0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3932
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3876
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3976
  • 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:3964
  • 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:3852

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    9cca62aadad52da3d54fba96d0603ecb

    SHA1

    7948871145a14c24a5429fc39e5fcbc08479e16f

    SHA256

    48a345ef321f41b93f047994d06e293b9524e04090ca2e2202740f29bb5838c2

    SHA512

    2a9873d4fc262fdabf4ccf48dcb1044326a4b160a331595d618e34a3fb4f3380db89d562cac78fe4012b026114d9cb867a5d0528b17aede0bf01931421b6763b

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

    MD5

    9cca62aadad52da3d54fba96d0603ecb

    SHA1

    7948871145a14c24a5429fc39e5fcbc08479e16f

    SHA256

    48a345ef321f41b93f047994d06e293b9524e04090ca2e2202740f29bb5838c2

    SHA512

    2a9873d4fc262fdabf4ccf48dcb1044326a4b160a331595d618e34a3fb4f3380db89d562cac78fe4012b026114d9cb867a5d0528b17aede0bf01931421b6763b

  • memory/3572-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3708-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB