Analysis

  • max time kernel
    119s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 10:19

General

  • Target

    nauticenter.invoice.22.07.docm

  • Size

    3.3MB

  • MD5

    b74db217d1a12fe458fba446edd0b7d8

  • SHA1

    277e9bec83085ccef489491ec29958af08d8443e

  • SHA256

    00d1502024c0112ec09576a7b5fbbf9400425c9a11d9e758074dfc0d99cef40e

  • SHA512

    22227c0ef962ee5d2fb63c14be0a03c0c51d4062df616e8d1fe05f9f9b72d7d0edbe204d53430dc47ae5d6046878cb4c21055fc455a35e4ab627376c638871aa

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\nauticenter.invoice.22.07.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:1984
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1336
      • C:\Users\Admin\AppData\Local\Temp\rC97A.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\rC97A.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\yC979.tmp.dll",DllRegisterServer
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1892

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\rC97A.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Users\Admin\AppData\Local\Temp\rC97A.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Users\Admin\AppData\Local\Temp\yC979.tmp.dll

      Filesize

      1.2MB

      MD5

      2169c97eab0c857669ee4bbf7a8a6c66

      SHA1

      e7bddeb6bb7ce9a6cc435c6a136935039220d7d0

      SHA256

      77a56787a6f007a32866c25b28e0d4e7082afadbbb6d8b775083e68000c1c680

      SHA512

      ac7b86b513d322cc71b858740250d80942797d87e09d6227055c6f0d7c162a1fa13a2b7a2183ab90155d1dba53c1963cf929819405769f6ec0e9fc4f5a943024

    • \Users\Admin\AppData\Local\Temp\rC97A.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \Users\Admin\AppData\Local\Temp\yC979.tmp.dll

      Filesize

      1.2MB

      MD5

      2169c97eab0c857669ee4bbf7a8a6c66

      SHA1

      e7bddeb6bb7ce9a6cc435c6a136935039220d7d0

      SHA256

      77a56787a6f007a32866c25b28e0d4e7082afadbbb6d8b775083e68000c1c680

      SHA512

      ac7b86b513d322cc71b858740250d80942797d87e09d6227055c6f0d7c162a1fa13a2b7a2183ab90155d1dba53c1963cf929819405769f6ec0e9fc4f5a943024

    • \Users\Admin\AppData\Local\Temp\yC979.tmp.dll

      Filesize

      1.2MB

      MD5

      2169c97eab0c857669ee4bbf7a8a6c66

      SHA1

      e7bddeb6bb7ce9a6cc435c6a136935039220d7d0

      SHA256

      77a56787a6f007a32866c25b28e0d4e7082afadbbb6d8b775083e68000c1c680

      SHA512

      ac7b86b513d322cc71b858740250d80942797d87e09d6227055c6f0d7c162a1fa13a2b7a2183ab90155d1dba53c1963cf929819405769f6ec0e9fc4f5a943024

    • \Users\Admin\AppData\Local\Temp\yC979.tmp.dll

      Filesize

      1.2MB

      MD5

      2169c97eab0c857669ee4bbf7a8a6c66

      SHA1

      e7bddeb6bb7ce9a6cc435c6a136935039220d7d0

      SHA256

      77a56787a6f007a32866c25b28e0d4e7082afadbbb6d8b775083e68000c1c680

      SHA512

      ac7b86b513d322cc71b858740250d80942797d87e09d6227055c6f0d7c162a1fa13a2b7a2183ab90155d1dba53c1963cf929819405769f6ec0e9fc4f5a943024

    • \Users\Admin\AppData\Local\Temp\yC979.tmp.dll

      Filesize

      1.2MB

      MD5

      2169c97eab0c857669ee4bbf7a8a6c66

      SHA1

      e7bddeb6bb7ce9a6cc435c6a136935039220d7d0

      SHA256

      77a56787a6f007a32866c25b28e0d4e7082afadbbb6d8b775083e68000c1c680

      SHA512

      ac7b86b513d322cc71b858740250d80942797d87e09d6227055c6f0d7c162a1fa13a2b7a2183ab90155d1dba53c1963cf929819405769f6ec0e9fc4f5a943024

    • memory/1984-82-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-77-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-61-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-62-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-63-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-64-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-65-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-66-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-67-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-68-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-69-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-70-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-71-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-72-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-74-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-73-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-83-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-87-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-89-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-92-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-94-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-96-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-95-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-93-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-91-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-90-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-88-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-86-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-85-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-84-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-59-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-81-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-80-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-79-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-78-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-60-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-76-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-75-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-97-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-98-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-100-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-99-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-101-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-102-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-103-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-104-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-105-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-106-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-108-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-107-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-109-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-110-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-112-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-111-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-113-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-114-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-58-0x0000000076261000-0x0000000076263000-memory.dmp

      Filesize

      8KB

    • memory/1984-57-0x000000007175D000-0x0000000071768000-memory.dmp

      Filesize

      44KB

    • memory/1984-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1984-55-0x0000000070771000-0x0000000070773000-memory.dmp

      Filesize

      8KB

    • memory/1984-115-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-116-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-117-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-118-0x0000000005491000-0x00000000054F4000-memory.dmp

      Filesize

      396KB

    • memory/1984-374-0x000000007175D000-0x0000000071768000-memory.dmp

      Filesize

      44KB

    • memory/1984-409-0x0000000006950000-0x000000000759A000-memory.dmp

      Filesize

      12.3MB

    • memory/1984-410-0x00000000022B0000-0x0000000002363000-memory.dmp

      Filesize

      716KB

    • memory/1984-411-0x0000000007FE0000-0x0000000008118000-memory.dmp

      Filesize

      1.2MB

    • memory/1984-54-0x0000000072CF1000-0x0000000072CF4000-memory.dmp

      Filesize

      12KB

    • memory/1984-418-0x0000000006950000-0x000000000759A000-memory.dmp

      Filesize

      12.3MB

    • memory/1984-419-0x00000000022B0000-0x0000000002363000-memory.dmp

      Filesize

      716KB

    • memory/1984-421-0x000000007175D000-0x0000000071768000-memory.dmp

      Filesize

      44KB