Analysis

  • max time kernel
    70s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220718-it
  • resource tags

    arch:x64arch:x86image:win7-20220718-itlocale:it-itos:windows7-x64systemwindows
  • submitted
    27-07-2022 10:49

General

  • Target

    gruppoathesis-document-26.07.22.docm

  • Size

    3.4MB

  • MD5

    009f8bc97181141c0fb385497f8c218c

  • SHA1

    71b36c8c12ee17f418171410b15a874c9609109f

  • SHA256

    ab5e161a78e6b7cba0b1d3f3a420a471e5a9b667705fb4e5adc425cca695db9d

  • SHA512

    c22ffbba9b629f8313cc7daec02932206c4c7c1281ab823349bb0d5a69baf2f0fd7c2676baf18a004f9812f17ba605695bae383bc3ff10ee273b495a6369ea88

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\gruppoathesis-document-26.07.22.docm"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1168
      • C:\Users\Admin\AppData\Local\Temp\r25FB.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\r25FB.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\y25FA.tmp.dll",DllRegisterServer
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1352

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\r25FB.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Users\Admin\AppData\Local\Temp\r25FB.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Users\Admin\AppData\Local\Temp\y25FA.tmp.dll

      Filesize

      1.3MB

      MD5

      cf5bf8fbfc17f11cf4522dc850d98985

      SHA1

      56fcf1ef15fb9b223f9d18da80bce0055a8969c5

      SHA256

      e2ac5d4483c0f5a03dc15a7ac8803b3c9767a64b36e3a52fee6bd223d178d7a8

      SHA512

      448e3e2567a07eab163a28d8d89b6be6ed99c054797a7cf59af0b8cbbbe58bcbfb9b2ecc1b98df95c38adf9dd285ab4ec4430df7a1f468d135e2186efe954cab

    • \Users\Admin\AppData\Local\Temp\r25FB.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \Users\Admin\AppData\Local\Temp\y25FA.tmp.dll

      Filesize

      1.3MB

      MD5

      cf5bf8fbfc17f11cf4522dc850d98985

      SHA1

      56fcf1ef15fb9b223f9d18da80bce0055a8969c5

      SHA256

      e2ac5d4483c0f5a03dc15a7ac8803b3c9767a64b36e3a52fee6bd223d178d7a8

      SHA512

      448e3e2567a07eab163a28d8d89b6be6ed99c054797a7cf59af0b8cbbbe58bcbfb9b2ecc1b98df95c38adf9dd285ab4ec4430df7a1f468d135e2186efe954cab

    • \Users\Admin\AppData\Local\Temp\y25FA.tmp.dll

      Filesize

      1.3MB

      MD5

      cf5bf8fbfc17f11cf4522dc850d98985

      SHA1

      56fcf1ef15fb9b223f9d18da80bce0055a8969c5

      SHA256

      e2ac5d4483c0f5a03dc15a7ac8803b3c9767a64b36e3a52fee6bd223d178d7a8

      SHA512

      448e3e2567a07eab163a28d8d89b6be6ed99c054797a7cf59af0b8cbbbe58bcbfb9b2ecc1b98df95c38adf9dd285ab4ec4430df7a1f468d135e2186efe954cab

    • \Users\Admin\AppData\Local\Temp\y25FA.tmp.dll

      Filesize

      1.3MB

      MD5

      cf5bf8fbfc17f11cf4522dc850d98985

      SHA1

      56fcf1ef15fb9b223f9d18da80bce0055a8969c5

      SHA256

      e2ac5d4483c0f5a03dc15a7ac8803b3c9767a64b36e3a52fee6bd223d178d7a8

      SHA512

      448e3e2567a07eab163a28d8d89b6be6ed99c054797a7cf59af0b8cbbbe58bcbfb9b2ecc1b98df95c38adf9dd285ab4ec4430df7a1f468d135e2186efe954cab

    • \Users\Admin\AppData\Local\Temp\y25FA.tmp.dll

      Filesize

      1.3MB

      MD5

      cf5bf8fbfc17f11cf4522dc850d98985

      SHA1

      56fcf1ef15fb9b223f9d18da80bce0055a8969c5

      SHA256

      e2ac5d4483c0f5a03dc15a7ac8803b3c9767a64b36e3a52fee6bd223d178d7a8

      SHA512

      448e3e2567a07eab163a28d8d89b6be6ed99c054797a7cf59af0b8cbbbe58bcbfb9b2ecc1b98df95c38adf9dd285ab4ec4430df7a1f468d135e2186efe954cab

    • memory/1864-89-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-96-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-61-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-62-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-63-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-64-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-65-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-66-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-67-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-69-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-68-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-72-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-73-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-71-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-70-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-76-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-77-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-75-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-74-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-80-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-81-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-79-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-78-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-84-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-85-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-83-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-82-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-86-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-87-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-88-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-59-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-90-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-91-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-92-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-95-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-60-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-94-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-93-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-99-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-100-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-98-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-97-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-103-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-104-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-102-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-101-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-107-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-108-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-106-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-105-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-111-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-112-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-110-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-109-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-115-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-57-0x0000000075511000-0x0000000075513000-memory.dmp

      Filesize

      8KB

    • memory/1864-58-0x0000000070BDD000-0x0000000070BE8000-memory.dmp

      Filesize

      44KB

    • memory/1864-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1864-55-0x000000006FBF1000-0x000000006FBF3000-memory.dmp

      Filesize

      8KB

    • memory/1864-54-0x0000000072171000-0x0000000072174000-memory.dmp

      Filesize

      12KB

    • memory/1864-116-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-114-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-113-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-118-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-117-0x00000000006A9000-0x00000000006B0000-memory.dmp

      Filesize

      28KB

    • memory/1864-886-0x00000000066B0000-0x00000000072FA000-memory.dmp

      Filesize

      12.3MB

    • memory/1864-888-0x0000000002440000-0x00000000024F3000-memory.dmp

      Filesize

      716KB

    • memory/1864-890-0x0000000007E50000-0x0000000007F95000-memory.dmp

      Filesize

      1.3MB

    • memory/1864-893-0x0000000070BDD000-0x0000000070BE8000-memory.dmp

      Filesize

      44KB

    • memory/1864-894-0x00000000066B0000-0x00000000072FA000-memory.dmp

      Filesize

      12.3MB

    • memory/1864-895-0x0000000002440000-0x00000000024F3000-memory.dmp

      Filesize

      716KB