Resubmissions

24-02-2022 11:09

220224-m8635achc5 10

30-09-2021 07:38

210930-jgeb9aghd5 8

Analysis

  • max time kernel
    146s
  • max time network
    188s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    30-09-2021 07:38

General

  • Target

    efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe

  • Size

    3.9MB

  • MD5

    0c91f541c351849c1b48be81b7e4f197

  • SHA1

    bda480d45467f44a36c6ac046a08b0b3b2e6bf83

  • SHA256

    efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636

  • SHA512

    940176cdb87ada4590adb2ffa6fdb5694b950f7dc5f5a2b7f3d44b619de577efc46681e0b0e707137996b7aceec01e722804f2b2a046db3b7f45e7dda46e9b1c

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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\efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe
    "C:\Users\Admin\AppData\Local\Temp\efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:604
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1956-60-0x0000000075801000-0x0000000075803000-memory.dmp

    Filesize

    8KB