Analysis

  • max time kernel
    144s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2023 03:51

General

  • Target

    f019c781190cefb52a2ddde54379d29d.exe

  • Size

    110KB

  • MD5

    f019c781190cefb52a2ddde54379d29d

  • SHA1

    db345587033eb8a26fd0edd6ee8492faac76ac40

  • SHA256

    93465cd89175bd96c5200942aace1cf2acc9384ff1f028f1e845757ade82361b

  • SHA512

    fd3335a31f5133274039fd5bff4bd89f0bd19c787de79ffc97a7c0f07985f783fd625a5404206b344b3f0ce0656ca6a71e8633e608832fb8dac424cf01075b99

  • SSDEEP

    1536:J5C4c7H718iZJmhKhdoaIkcXTLjfWidbGPECG+1+2PwuLJWj9a53HMGvEXg4:q//18iZMhKhI+ubNLmLq9KHMzg4

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 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).

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f019c781190cefb52a2ddde54379d29d.exe
    "C:\Users\Admin\AppData\Local\Temp\f019c781190cefb52a2ddde54379d29d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\NTT_Customer_Notification.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1140
    • C:\Users\Admin\AppData\Local\Temp\APIWrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\APIWrapper.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off
        3⤵
        • Modifies Windows Firewall
        PID:660
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" stop wuauserv
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1416
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wuauserv
          4⤵
            PID:240

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\APIWrapper.exe

      Filesize

      34KB

      MD5

      137fe32ac41f7b73d21219051e037185

      SHA1

      b1fed2c1257823f4cfbe9c0fdd6207177330a7e3

      SHA256

      1a8149494ae9f8e0e827080c8c38774eac995de4fd12ae4204448c28c17b2e96

      SHA512

      db930108bb13c82d0059bc3a086d8f14100475f76644ad292bf37c2f7a42e74a9a7ffea9e7a183211c04114b470eebff88249a0efe862944998efd686bad48be

    • C:\Users\Admin\AppData\Local\Temp\APIWrapper.exe

      Filesize

      34KB

      MD5

      137fe32ac41f7b73d21219051e037185

      SHA1

      b1fed2c1257823f4cfbe9c0fdd6207177330a7e3

      SHA256

      1a8149494ae9f8e0e827080c8c38774eac995de4fd12ae4204448c28c17b2e96

      SHA512

      db930108bb13c82d0059bc3a086d8f14100475f76644ad292bf37c2f7a42e74a9a7ffea9e7a183211c04114b470eebff88249a0efe862944998efd686bad48be

    • C:\Users\Admin\AppData\Local\Temp\APIWrapper.exe

      Filesize

      34KB

      MD5

      137fe32ac41f7b73d21219051e037185

      SHA1

      b1fed2c1257823f4cfbe9c0fdd6207177330a7e3

      SHA256

      1a8149494ae9f8e0e827080c8c38774eac995de4fd12ae4204448c28c17b2e96

      SHA512

      db930108bb13c82d0059bc3a086d8f14100475f76644ad292bf37c2f7a42e74a9a7ffea9e7a183211c04114b470eebff88249a0efe862944998efd686bad48be

    • C:\Users\Admin\AppData\Local\Temp\NTT_Customer_Notification.txt

      Filesize

      919B

      MD5

      a245be3b944db50a32f5fd7b0073872f

      SHA1

      b97cf469bbbba82e8e691c36acf20f4fd2765ec3

      SHA256

      d22ccc3b5bf14f94cfc77e4c7a9aac648452ee0e80f903bf02d1b6e59faacbed

      SHA512

      2908486e66e574cc05825288dd382dc3e4627c885c889b1e779bebed8d218f5d6488223db9cacfdc7bbb4a094c3c9cab4f7be8cd9bbdce4d5fb18fce210cb345

    • \Users\Admin\AppData\Local\Temp\APIWrapper.exe

      Filesize

      34KB

      MD5

      137fe32ac41f7b73d21219051e037185

      SHA1

      b1fed2c1257823f4cfbe9c0fdd6207177330a7e3

      SHA256

      1a8149494ae9f8e0e827080c8c38774eac995de4fd12ae4204448c28c17b2e96

      SHA512

      db930108bb13c82d0059bc3a086d8f14100475f76644ad292bf37c2f7a42e74a9a7ffea9e7a183211c04114b470eebff88249a0efe862944998efd686bad48be

    • \Users\Admin\AppData\Local\Temp\APIWrapper.exe

      Filesize

      34KB

      MD5

      137fe32ac41f7b73d21219051e037185

      SHA1

      b1fed2c1257823f4cfbe9c0fdd6207177330a7e3

      SHA256

      1a8149494ae9f8e0e827080c8c38774eac995de4fd12ae4204448c28c17b2e96

      SHA512

      db930108bb13c82d0059bc3a086d8f14100475f76644ad292bf37c2f7a42e74a9a7ffea9e7a183211c04114b470eebff88249a0efe862944998efd686bad48be

    • \Users\Admin\AppData\Local\Temp\APIWrapper.exe

      Filesize

      34KB

      MD5

      137fe32ac41f7b73d21219051e037185

      SHA1

      b1fed2c1257823f4cfbe9c0fdd6207177330a7e3

      SHA256

      1a8149494ae9f8e0e827080c8c38774eac995de4fd12ae4204448c28c17b2e96

      SHA512

      db930108bb13c82d0059bc3a086d8f14100475f76644ad292bf37c2f7a42e74a9a7ffea9e7a183211c04114b470eebff88249a0efe862944998efd686bad48be

    • \Users\Admin\AppData\Local\Temp\APIWrapper.exe

      Filesize

      34KB

      MD5

      137fe32ac41f7b73d21219051e037185

      SHA1

      b1fed2c1257823f4cfbe9c0fdd6207177330a7e3

      SHA256

      1a8149494ae9f8e0e827080c8c38774eac995de4fd12ae4204448c28c17b2e96

      SHA512

      db930108bb13c82d0059bc3a086d8f14100475f76644ad292bf37c2f7a42e74a9a7ffea9e7a183211c04114b470eebff88249a0efe862944998efd686bad48be

    • \Users\Admin\AppData\Local\Temp\APIWrapper.exe

      Filesize

      34KB

      MD5

      137fe32ac41f7b73d21219051e037185

      SHA1

      b1fed2c1257823f4cfbe9c0fdd6207177330a7e3

      SHA256

      1a8149494ae9f8e0e827080c8c38774eac995de4fd12ae4204448c28c17b2e96

      SHA512

      db930108bb13c82d0059bc3a086d8f14100475f76644ad292bf37c2f7a42e74a9a7ffea9e7a183211c04114b470eebff88249a0efe862944998efd686bad48be

    • memory/268-76-0x0000000000A10000-0x0000000000A50000-memory.dmp

      Filesize

      256KB

    • memory/268-77-0x0000000000A10000-0x0000000000A50000-memory.dmp

      Filesize

      256KB

    • memory/268-78-0x0000000000A10000-0x0000000000A50000-memory.dmp

      Filesize

      256KB

    • memory/268-79-0x0000000000A10000-0x0000000000A50000-memory.dmp

      Filesize

      256KB