Analysis

  • max time kernel
    49s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2023 14:05

General

  • Target

    Umbral.builder.exe

  • Size

    114KB

  • MD5

    d91fb6867df7e4303d98b5e90faae73c

  • SHA1

    496f53ad8cd9381f1c1b577a73e978081002c1db

  • SHA256

    bb19b002df31e1196b4e6530cf54c449e9cf1383d3adc5334a0442fa96b36344

  • SHA512

    5dbcfe9bf567c6f1e18027950726af1835ab8b363ba8b040fd379b4cfe94b0894bc969b3c04fa4f1964b441a7b894bd4d37f3aabe3ea31396687a6ca093cfdc9

  • SSDEEP

    3072:aumr2q8XTs/8wEQuKqAFCq8FBJGgMMlpVFPo6QoJ7j:aumr2q8XTs/8wEQJhCqbsVehy7

Score
7/10

Malware Config

Signatures

  • Obfuscated with Agile.Net obfuscator 8 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Umbral.builder.exe
    "C:\Users\Admin\AppData\Local\Temp\Umbral.builder.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2852

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2852-0-0x0000000000AC0000-0x0000000000AE2000-memory.dmp

    Filesize

    136KB

  • memory/2852-1-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

    Filesize

    9.9MB

  • memory/2852-2-0x0000000000420000-0x00000000004A0000-memory.dmp

    Filesize

    512KB

  • memory/2852-3-0x00000000005B0000-0x00000000005D0000-memory.dmp

    Filesize

    128KB

  • memory/2852-4-0x00000000005D0000-0x00000000005F0000-memory.dmp

    Filesize

    128KB

  • memory/2852-5-0x00000000009F0000-0x0000000000A5E000-memory.dmp

    Filesize

    440KB

  • memory/2852-6-0x00000000005F0000-0x00000000005FE000-memory.dmp

    Filesize

    56KB

  • memory/2852-7-0x0000000000A60000-0x0000000000ABA000-memory.dmp

    Filesize

    360KB

  • memory/2852-8-0x0000000000600000-0x0000000000610000-memory.dmp

    Filesize

    64KB

  • memory/2852-9-0x0000000000610000-0x000000000062E000-memory.dmp

    Filesize

    120KB

  • memory/2852-10-0x000000001B420000-0x000000001B56A000-memory.dmp

    Filesize

    1.3MB

  • memory/2852-11-0x000000001B8E0000-0x000000001B9F6000-memory.dmp

    Filesize

    1.1MB

  • memory/2852-12-0x0000000001FF0000-0x0000000002020000-memory.dmp

    Filesize

    192KB

  • memory/2852-13-0x0000000000420000-0x00000000004A0000-memory.dmp

    Filesize

    512KB

  • memory/2852-14-0x0000000000420000-0x00000000004A0000-memory.dmp

    Filesize

    512KB

  • memory/2852-15-0x0000000000420000-0x00000000004A0000-memory.dmp

    Filesize

    512KB

  • memory/2852-16-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

    Filesize

    9.9MB

  • memory/2852-17-0x0000000000420000-0x00000000004A0000-memory.dmp

    Filesize

    512KB

  • memory/2852-18-0x0000000000420000-0x00000000004A0000-memory.dmp

    Filesize

    512KB

  • memory/2852-19-0x0000000000420000-0x00000000004A0000-memory.dmp

    Filesize

    512KB

  • memory/2852-20-0x0000000000420000-0x00000000004A0000-memory.dmp

    Filesize

    512KB