Analysis

  • max time kernel
    152s
  • max time network
    172s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-01-2022 18:01

General

  • Target

    2c9aea3d2be2ca9ecdec74e5e783df43458b6b0c23d4ccda631fbe8aa160c6c7.exe

  • Size

    89KB

  • MD5

    63c0978e2fa715a3cad6fb3068f70961

  • SHA1

    9e119104c2597f0ab4542c512a1eb9fa2729852f

  • SHA256

    2c9aea3d2be2ca9ecdec74e5e783df43458b6b0c23d4ccda631fbe8aa160c6c7

  • SHA512

    5e750d3542bc41a9f2c4fc4f906f5d05dea7ee22c3b2f11f4f92324ddcb9dd89852f553d5c58583c4c79bd19dc1c7cbf77979b601196f69ffbaef57ede049729

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 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
  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c9aea3d2be2ca9ecdec74e5e783df43458b6b0c23d4ccda631fbe8aa160c6c7.exe
    "C:\Users\Admin\AppData\Local\Temp\2c9aea3d2be2ca9ecdec74e5e783df43458b6b0c23d4ccda631fbe8aa160c6c7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4048
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\2c9aea3d2be2ca9ecdec74e5e783df43458b6b0c23d4ccda631fbe8aa160c6c7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3220
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1208

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    a9f3d3a0a0982894a430013c029c7e4a

    SHA1

    5b86bf20cc6e05237242571e4db6d06dc3f76752

    SHA256

    25adbd0a8463c32c6d245aea28abe68cee1b419553d42733b5bd352cf2e885ab

    SHA512

    275a05d9b9a943dbe36e8b1e9aaff0648250a51a25af25e328ce2c23a808f5001de7f9350940e00109b995a7a2486b538965c466fb45eb024a3443a44efe168c

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

    MD5

    a9f3d3a0a0982894a430013c029c7e4a

    SHA1

    5b86bf20cc6e05237242571e4db6d06dc3f76752

    SHA256

    25adbd0a8463c32c6d245aea28abe68cee1b419553d42733b5bd352cf2e885ab

    SHA512

    275a05d9b9a943dbe36e8b1e9aaff0648250a51a25af25e328ce2c23a808f5001de7f9350940e00109b995a7a2486b538965c466fb45eb024a3443a44efe168c