Overview

overview

10

Static

static

7

8fb826ea46...4f.exe

windows7-x64

10

8fb826ea46...4f.exe

windows10-2004-x64

10

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General

  • Target

    8fb826ea46d4e61c979ad83cf0dd684f

  • Size

    1.1MB

  • Sample

    230316-brsnmagc64

  • MD5

    8fb826ea46d4e61c979ad83cf0dd684f

  • SHA1

    b0f417beea49fec51bb57912f9e719b4d708b22e

  • SHA256

    ee320fdb489f569b02dc934f9e5a12e66a031b3c2a4956d1b29fc4a3f3ab92ba

  • SHA512

    77b2923479a737b315d003e222bfcf0bf4d7cdc843d3ab7654c9ba87a48d34c53803d0ba18d756c9febacd0916f3f410d0d8372a51418d9b8ad2247c0f86d9d5

  • SSDEEP

    24576:W+pA7U7VqM/qVNN1zJaFWJLiuz6B/7wP4QKaYxl2e/:LB7Vq7VTVJac+zB/MPdExl2e/

Score
10/10
evasionpersistencetrojanupx

Malware Config

Targets

    • Target

      8fb826ea46d4e61c979ad83cf0dd684f

    • Size

      1.1MB

    • MD5

      8fb826ea46d4e61c979ad83cf0dd684f

    • SHA1

      b0f417beea49fec51bb57912f9e719b4d708b22e

    • SHA256

      ee320fdb489f569b02dc934f9e5a12e66a031b3c2a4956d1b29fc4a3f3ab92ba

    • SHA512

      77b2923479a737b315d003e222bfcf0bf4d7cdc843d3ab7654c9ba87a48d34c53803d0ba18d756c9febacd0916f3f410d0d8372a51418d9b8ad2247c0f86d9d5

    • SSDEEP

      24576:W+pA7U7VqM/qVNN1zJaFWJLiuz6B/7wP4QKaYxl2e/:LB7Vq7VTVJac+zB/MPdExl2e/

    Score
    10/10
    evasionpersistencetrojanupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks