Analysis

  • max time kernel
    1200s
  • max time network
    1203s
  • platform
    windows7_x64
  • resource
    win7-ja-20211014
  • submitted
    11/11/2021, 17:10

General

  • Target

    78556a2fc01c40f64f11c76ef26ec3ff.exe

  • Size

    4.9MB

  • MD5

    78556a2fc01c40f64f11c76ef26ec3ff

  • SHA1

    b66a7117d0e22dc0421337e20612ea08f1b2c9e3

  • SHA256

    7d3192cad53f934173187f91d8555065d69e09b4f127275a1d47f9f1f9405c5c

  • SHA512

    c001603616e7539612e75707664c5356f3fc16a2e6e9033a77f0d4f3cf2854a71310f194e8d9f41207f41c1b60bd7b8fcd49797ba3cfc96a2d406bc55ab104d3

Malware Config

Signatures

  • StrongPity

    StrongPity is a spyware developed by PROMETHIUM APT group mainly used in government sponsored attacks.

  • StrongPity Spyware 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 42 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78556a2fc01c40f64f11c76ef26ec3ff.exe
    "C:\Users\Admin\AppData\Local\Temp\78556a2fc01c40f64f11c76ef26ec3ff.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\npp.8.1.7.Installer.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\npp.8.1.7.Installer.x64.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1732
    • C:\Windows\SysWOW64\winpickr.exe
      C:\Windows\system32\\winpickr.exe update
      2⤵
      • Executes dropped EXE
      PID:1172
  • C:\Windows\SysWOW64\winpickr.exe
    C:\Windows\SysWOW64\winpickr.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\ProgramData\Microsoft\WindowsData\ntuis32.exe
      "C:\ProgramData\Microsoft\WindowsData\ntuis32.exe"
      2⤵
      • Executes dropped EXE
      PID:1192
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E12A60D0-EB12-4F2E-B5A2-353D9C930E45} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
      PID:1932
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {E44A379A-561B-4522-827A-A10FC1F97283} S-1-5-21-2955169046-2371869340-1800780948-1000:UKNHJUQT\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Program Files\Mozilla Firefox\default-browser-agent.exe
        "C:\Program Files\Mozilla Firefox\default-browser-agent.exe" do-task
        2⤵
          PID:1728

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1608-55-0x0000000074931000-0x0000000074933000-memory.dmp

        Filesize

        8KB