Analysis

  • max time kernel
    196s
  • max time network
    225s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16-05-2022 12:14

General

  • Target

    538157b8755ad0e7bf88c19246ba836d008c7736ec10f79d28268acbf81f1936.exe

  • Size

    29KB

  • MD5

    f4df5e903d1b9ca375f23500dfa68a76

  • SHA1

    cb8e9ff5aa669751303fe6986dd9eb53a99675b8

  • SHA256

    538157b8755ad0e7bf88c19246ba836d008c7736ec10f79d28268acbf81f1936

  • SHA512

    8bd05f5cd39d667277174c3db2e767c4202a15b036d2d464aa130f9751ba74dc69f24188c205f03a7b54bcb0fad1bdddfa1e347795bc350b5992bda88668442c

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\538157b8755ad0e7bf88c19246ba836d008c7736ec10f79d28268acbf81f1936.exe
    "C:\Users\Admin\AppData\Local\Temp\538157b8755ad0e7bf88c19246ba836d008c7736ec10f79d28268acbf81f1936.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1224
      • C:\Windows\SysWOW64\reg.exe
        reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:1420
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1656
      • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        3⤵
        • Executes dropped EXE
        PID:2004
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\538157b8755ad0e7bf88c19246ba836d008c7736ec10f79d28268acbf81f1936.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1424

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    29KB

    MD5

    da772e0b6f0e03aa3c54893c33449dd1

    SHA1

    bd9470a9e548490bf178a29ea0fba80eb4228a68

    SHA256

    44f71065b95cabfaf7e0dc0ef3dc4b6f5a618b3cef83dd23c6cfc072cc9aeb73

    SHA512

    7b0a4af409e8348aa53226b5ebf544cf4804a5332c6ae822324e4b7836e06b650e1912f245c0be81592e4f4779c1a7a44cbde1a5e4e35de11491a6f3203ffa35

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

    Filesize

    29KB

    MD5

    da772e0b6f0e03aa3c54893c33449dd1

    SHA1

    bd9470a9e548490bf178a29ea0fba80eb4228a68

    SHA256

    44f71065b95cabfaf7e0dc0ef3dc4b6f5a618b3cef83dd23c6cfc072cc9aeb73

    SHA512

    7b0a4af409e8348aa53226b5ebf544cf4804a5332c6ae822324e4b7836e06b650e1912f245c0be81592e4f4779c1a7a44cbde1a5e4e35de11491a6f3203ffa35

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

    Filesize

    29KB

    MD5

    da772e0b6f0e03aa3c54893c33449dd1

    SHA1

    bd9470a9e548490bf178a29ea0fba80eb4228a68

    SHA256

    44f71065b95cabfaf7e0dc0ef3dc4b6f5a618b3cef83dd23c6cfc072cc9aeb73

    SHA512

    7b0a4af409e8348aa53226b5ebf544cf4804a5332c6ae822324e4b7836e06b650e1912f245c0be81592e4f4779c1a7a44cbde1a5e4e35de11491a6f3203ffa35

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

    Filesize

    29KB

    MD5

    da772e0b6f0e03aa3c54893c33449dd1

    SHA1

    bd9470a9e548490bf178a29ea0fba80eb4228a68

    SHA256

    44f71065b95cabfaf7e0dc0ef3dc4b6f5a618b3cef83dd23c6cfc072cc9aeb73

    SHA512

    7b0a4af409e8348aa53226b5ebf544cf4804a5332c6ae822324e4b7836e06b650e1912f245c0be81592e4f4779c1a7a44cbde1a5e4e35de11491a6f3203ffa35

  • memory/1220-58-0x0000000000000000-mapping.dmp

  • memory/1224-56-0x0000000000000000-mapping.dmp

  • memory/1420-59-0x0000000000000000-mapping.dmp

  • memory/1424-66-0x0000000000000000-mapping.dmp

  • memory/1656-57-0x0000000000000000-mapping.dmp

  • memory/1680-54-0x0000000075761000-0x0000000075763000-memory.dmp

    Filesize

    8KB

  • memory/1680-55-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2004-63-0x0000000000000000-mapping.dmp

  • memory/2004-67-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB