Analysis

  • max time kernel
    130s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30-06-2020 06:53

General

  • Target

    รูปภาพที่ต้องลบ.exe

  • Size

    24.4MB

  • MD5

    60e8c8216af0a6c159364a3cfebc1f1b

  • SHA1

    ffd81aa28975dfd4f8e09aa55863c569f6c37037

  • SHA256

    12d14cc1f1d29e131b94659bd8830ce0afe855973f36648929f6bdc7dab4b87f

  • SHA512

    8852553899c83a5d922ca78048b8a37f0a014501796044f1c826b68599365cde0f9046351bffe1f09d07707b2f5049c12dd0dc5a949da076160d7ef44562f403

Score
7/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 42 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Loads dropped DLL 37 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks whether UAC is enabled 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\รูปภาพที่ต้องลบ.exe
    "C:\Users\Admin\AppData\Local\Temp\รูปภาพที่ต้องลบ.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Users\Admin\AppData\Local\Temp\รูปภาพที่ต้องลบ.exe
      "C:\Users\Admin\AppData\Local\Temp\รูปภาพที่ต้องลบ.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      PID:596
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" https://pastebin.com/raw/K9DwMHWa
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of FindShellTrayWindow
        • Checks whether UAC is enabled
        PID:1644
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1644 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          • Checks whether UAC is enabled
          PID:528
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\อ่านวิธีแก้ไฟล์โดนล๊อค.txt
    1⤵
      PID:1072
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:1512

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Command and Control

      Web Service

      1
      T1102

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\j8hu3ld\imagestore.dat
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_Salsa20.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_aes.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_cbc.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_cfb.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_ctr.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_ecb.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_ocb.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_ofb.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_BLAKE2s.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_MD5.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_SHA1.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_SHA256.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_ghash_portable.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Protocol\_scrypt.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Util\_cpuid_c.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Util\_strxor.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\VCRUNTIME140.dll
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\_bz2.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\_cffi_backend.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\_ctypes.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\_hashlib.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\_lzma.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\_queue.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\_socket.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\_ssl.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\base_library.zip
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\certifi\cacert.pem
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\cryptography\hazmat\bindings\_constant_time.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\cryptography\hazmat\bindings\_openssl.cp38-win32.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\libcrypto-1_1.dll
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\libffi-7.dll
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\libssl-1_1.dll
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\pyexpat.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\python38.dll
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\pythoncom38.dll
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\pywintypes38.dll
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\select.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\unicodedata.pyd
      • C:\Users\Admin\AppData\Local\Temp\_MEI1122\win32api.pyd
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\T2ZG641A.txt
      • C:\Users\Admin\Desktop\อ่านวิธีแก้ไฟล์โดนล๊อค.txt
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_Salsa20.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_aes.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_cbc.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_cfb.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_ctr.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_ecb.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_ocb.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Cipher\_raw_ofb.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_BLAKE2s.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_MD5.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_SHA1.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_SHA256.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Hash\_ghash_portable.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Protocol\_scrypt.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Util\_cpuid_c.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\Crypto\Util\_strxor.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\VCRUNTIME140.dll
      • \Users\Admin\AppData\Local\Temp\_MEI1122\_bz2.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\_cffi_backend.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\_ctypes.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\_hashlib.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\_lzma.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\_queue.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\_socket.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\_ssl.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\cryptography\hazmat\bindings\_constant_time.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\cryptography\hazmat\bindings\_openssl.cp38-win32.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\libcrypto-1_1.dll
      • \Users\Admin\AppData\Local\Temp\_MEI1122\libffi-7.dll
      • \Users\Admin\AppData\Local\Temp\_MEI1122\libssl-1_1.dll
      • \Users\Admin\AppData\Local\Temp\_MEI1122\pyexpat.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\python38.dll
      • \Users\Admin\AppData\Local\Temp\_MEI1122\pythoncom38.dll
      • \Users\Admin\AppData\Local\Temp\_MEI1122\pywintypes38.dll
      • \Users\Admin\AppData\Local\Temp\_MEI1122\select.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\unicodedata.pyd
      • \Users\Admin\AppData\Local\Temp\_MEI1122\win32api.pyd
      • memory/528-78-0x0000000000000000-mapping.dmp
      • memory/596-0-0x0000000000000000-mapping.dmp
      • memory/1644-77-0x0000000000000000-mapping.dmp