Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2024, 12:48

General

  • Target

    Umbral.builder.exe

  • Size

    114KB

  • MD5

    d91fb6867df7e4303d98b5e90faae73c

  • SHA1

    496f53ad8cd9381f1c1b577a73e978081002c1db

  • SHA256

    bb19b002df31e1196b4e6530cf54c449e9cf1383d3adc5334a0442fa96b36344

  • SHA512

    5dbcfe9bf567c6f1e18027950726af1835ab8b363ba8b040fd379b4cfe94b0894bc969b3c04fa4f1964b441a7b894bd4d37f3aabe3ea31396687a6ca093cfdc9

  • SSDEEP

    3072:aumr2q8XTs/8wEQuKqAFCq8FBJGgMMlpVFPo6QoJ7j:aumr2q8XTs/8wEQJhCqbsVehy7

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Umbral.builder.exe
    "C:\Users\Admin\AppData\Local\Temp\Umbral.builder.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2676 -s 604
      2⤵
        PID:2860

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2676-0-0x0000000001060000-0x0000000001082000-memory.dmp

            Filesize

            136KB

          • memory/2676-1-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

            Filesize

            9.9MB

          • memory/2676-2-0x0000000000F40000-0x0000000000FC0000-memory.dmp

            Filesize

            512KB

          • memory/2676-3-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

            Filesize

            9.9MB

          • memory/2676-4-0x0000000000F40000-0x0000000000FC0000-memory.dmp

            Filesize

            512KB