Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:45

General

  • Target

    0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe

  • Size

    216KB

  • MD5

    05ca66dec76c5526bc20373065ce9330

  • SHA1

    dfefaf0cc12c268606d23b271b60e1a13eeba9ea

  • SHA256

    0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a

  • SHA512

    60619def19ee88803af58fd8520982cf8e7749f251f8f085f97884fbd30760b52e01f25124372f77632c9d2eac4ac1d28c6a33e487aeda89f1c26063f8ab503e

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 51 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\0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe
    "C:\Users\Admin\AppData\Local\Temp\0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3192
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:484
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1872
  • 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:384
  • 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:2312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    e74c523eedb543703f49a6f431475a03

    SHA1

    67263cf8e399efdd0fdc97aac8ae447c1f703ce6

    SHA256

    3f3096d4e6e1af7947a352f2ac5f1d603e1b7382115a540a723cfa2f9d0b7bc2

    SHA512

    d184401bd1d3484f5a9334852193e0bff66064543fb1fcc3b455c21aea4cd6b91e5745c7476bb05b1073682c9e1e8150a2c7f81d5a6372d76c992380a57dfe4e

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

    e74c523eedb543703f49a6f431475a03

    SHA1

    67263cf8e399efdd0fdc97aac8ae447c1f703ce6

    SHA256

    3f3096d4e6e1af7947a352f2ac5f1d603e1b7382115a540a723cfa2f9d0b7bc2

    SHA512

    d184401bd1d3484f5a9334852193e0bff66064543fb1fcc3b455c21aea4cd6b91e5745c7476bb05b1073682c9e1e8150a2c7f81d5a6372d76c992380a57dfe4e

  • memory/1620-133-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3192-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB