Analysis

  • max time kernel
    159s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 12:50

General

  • Target

    002fc9759ddd26b24a0bf3d07d5500cdf3990b9cbee02d8203bc8d3429ef31e5.exe

  • Size

    88KB

  • MD5

    e88fb6dec301b079d9a1d5183980319f

  • SHA1

    50bc736a32943a291d939002dbfa727b0a2b9e3d

  • SHA256

    002fc9759ddd26b24a0bf3d07d5500cdf3990b9cbee02d8203bc8d3429ef31e5

  • SHA512

    342399a278355066cb8466cec922043acc20f3a2561050a77c6e8f63ed20b1d9d51fbb7a732e3f228d91ac54096a9354bfa7598e90f4690fdd74975fbc3e452c

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\002fc9759ddd26b24a0bf3d07d5500cdf3990b9cbee02d8203bc8d3429ef31e5.exe
    "C:\Users\Admin\AppData\Local\Temp\002fc9759ddd26b24a0bf3d07d5500cdf3990b9cbee02d8203bc8d3429ef31e5.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:528
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\002fc9759ddd26b24a0bf3d07d5500cdf3990b9cbee02d8203bc8d3429ef31e5.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:816
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    5016b743f477de216d1cce4215c6dca4

    SHA1

    421def40c63879db0e52145a64cd9c01f8976393

    SHA256

    50b33171d634bdc0f0d529928f7e840f04fffb5967b6add907e8f38affaa493b

    SHA512

    0e81bf8dfa2dce48f43cb3f6375d4fdf47efeb89a7d736efb1794cfee87707b8ff0702bdeb1eb65210454c09ba3a8a5233af6866bed886343a4e8d626fcf0b79

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

    MD5

    5016b743f477de216d1cce4215c6dca4

    SHA1

    421def40c63879db0e52145a64cd9c01f8976393

    SHA256

    50b33171d634bdc0f0d529928f7e840f04fffb5967b6add907e8f38affaa493b

    SHA512

    0e81bf8dfa2dce48f43cb3f6375d4fdf47efeb89a7d736efb1794cfee87707b8ff0702bdeb1eb65210454c09ba3a8a5233af6866bed886343a4e8d626fcf0b79

  • memory/528-60-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1072-55-0x00000000760F1000-0x00000000760F3000-memory.dmp

    Filesize

    8KB

  • memory/1072-59-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB