Resubmissions

24-02-2022 11:08

220224-m8v1vschc4 10

30-09-2021 12:24

210930-pk2jvahghl 10

Analysis

  • max time kernel
    133s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    30-09-2021 12:24

General

  • Target

    c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143.exe

  • Size

    216KB

  • MD5

    dab5f66a4c8f6bcbcdeb2a83c21769c5

  • SHA1

    06e8c2999917c6bc5d4b6359de3222d4379acbb9

  • SHA256

    c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143

  • SHA512

    3a02669cd6390e5c6b5e1dd8711c300790cd78419a512830325c497fad7a5864aeaac6e0622dd39ab3bd3bafad49f5ad968d0d6c24c961adb9cafb7b64869854

Score
10/10

Malware Config

Signatures

  • 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\c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143.exe
    "C:\Users\Admin\AppData\Local\Temp\c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2040-53-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB