Analysis

  • max time kernel
    139s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 10:27

General

  • Target

    0729e7fa4c87b191ebf87edecb696a46c8d69383ceb2ccf5ebcc2a7f82025e15.exe

  • Size

    176KB

  • MD5

    9118b64918d2ddbe8258fccecff41beb

  • SHA1

    3e96fd9e9d84bab29c42f443214ccfb2aa2af44a

  • SHA256

    0729e7fa4c87b191ebf87edecb696a46c8d69383ceb2ccf5ebcc2a7f82025e15

  • SHA512

    9d97e83f5054471016512bf1e04d2d51be5b3b5feb720a312b86f0e2e852d049d6fd17069826ce4c50c2f4dc52d7ad30da927936d0a018514fd5663260e591e8

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\0729e7fa4c87b191ebf87edecb696a46c8d69383ceb2ccf5ebcc2a7f82025e15.exe
    "C:\Users\Admin\AppData\Local\Temp\0729e7fa4c87b191ebf87edecb696a46c8d69383ceb2ccf5ebcc2a7f82025e15.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1616
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0729e7fa4c87b191ebf87edecb696a46c8d69383ceb2ccf5ebcc2a7f82025e15.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    38a89d3994154807ad7d902ada6ff504

    SHA1

    91f0dc998da35afcc8f930f2fc4f8d260641d54a

    SHA256

    61b780e7617e250c2df3135311bc96bc5f2f3a200c387be9e5f52fbe4f4540ba

    SHA512

    de2580d19ada34981e0e5f011d680bdd59f60de3b1f17edd362608275205331fda03ee9d9ed1924b2d47d02a57daa330039f66428ff39bf8542994a81d55e92e

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

    38a89d3994154807ad7d902ada6ff504

    SHA1

    91f0dc998da35afcc8f930f2fc4f8d260641d54a

    SHA256

    61b780e7617e250c2df3135311bc96bc5f2f3a200c387be9e5f52fbe4f4540ba

    SHA512

    de2580d19ada34981e0e5f011d680bdd59f60de3b1f17edd362608275205331fda03ee9d9ed1924b2d47d02a57daa330039f66428ff39bf8542994a81d55e92e

  • memory/1608-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmp
    Filesize

    8KB

  • memory/1608-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1616-60-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB