Analysis

  • max time kernel
    151s
  • max time network
    169s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 10:10

General

  • Target

    07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe

  • Size

    216KB

  • MD5

    c216b8087383fc257efbf9d78b9308cd

  • SHA1

    e18ad2bd4c887c8c2af5de0158502becf84420fb

  • SHA256

    07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf

  • SHA512

    0f9036618368b57dd1c55561f12d1c93d181e1093076ca0db4c6c6e7f857e3f032b88657f2640a75f650ca6fa0f145305b4c4c440157fd0f4b630dd4eac97c9f

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\07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe
    "C:\Users\Admin\AppData\Local\Temp\07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.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:1588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.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:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    7c89495475aacc033aa7f1f4cd99004e

    SHA1

    80fa1d6a3ebbd26b113984bf606d15f31149a6d3

    SHA256

    a2fac41f0d0a2ff686dec389e09daece39ff4a25bb8f2bf8d8f4b1ece8137b3c

    SHA512

    17b3e2c8faa2016f9710e3161942325ee50832ba626c149662f881c796f05ad99a37d8894ded3f4213c34e516c0b63c6e55c82a507bbec25899af5087f187b41

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

    7c89495475aacc033aa7f1f4cd99004e

    SHA1

    80fa1d6a3ebbd26b113984bf606d15f31149a6d3

    SHA256

    a2fac41f0d0a2ff686dec389e09daece39ff4a25bb8f2bf8d8f4b1ece8137b3c

    SHA512

    17b3e2c8faa2016f9710e3161942325ee50832ba626c149662f881c796f05ad99a37d8894ded3f4213c34e516c0b63c6e55c82a507bbec25899af5087f187b41

  • memory/1588-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1608-54-0x0000000075D61000-0x0000000075D63000-memory.dmp
    Filesize

    8KB

  • memory/1608-58-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB