Overview

overview

10

Static

static

87a1c1e65a...0c.exe

windows7-x64

10

87a1c1e65a...0c.exe

windows10-2004-x64

10

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General

  • Target

    87a1c1e65a1411782b0d56890318ef5e13381971f26ed1304339c11798cb200c

  • Size

    128KB

  • Sample

    221012-q38asaeagj

  • MD5

    623448edebee9834e266b4e6d2efaa20

  • SHA1

    84cfa0be9528b1c3476000cb095bc0d9cacaa3c4

  • SHA256

    87a1c1e65a1411782b0d56890318ef5e13381971f26ed1304339c11798cb200c

  • SHA512

    fcdab07bd0f0a5cb438a71b69ad586c83df202c0aa27a3c22bf4e7e4863071f13afa78c665aa64db12b2e5cf5231a0ec33e03e3c24e3255837504d90c7f8f566

  • SSDEEP

    1536:GRMuZuWrnx7avrCQVYQPZ9gSSdwLWMgeeOhYWmx99SsEzTQ7ZUs3L8CEJUzO8n7D:urnxYKQPZm2ytIhYVxb7ZjgvJUy8nLqQ

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      87a1c1e65a1411782b0d56890318ef5e13381971f26ed1304339c11798cb200c

    • Size

      128KB

    • MD5

      623448edebee9834e266b4e6d2efaa20

    • SHA1

      84cfa0be9528b1c3476000cb095bc0d9cacaa3c4

    • SHA256

      87a1c1e65a1411782b0d56890318ef5e13381971f26ed1304339c11798cb200c

    • SHA512

      fcdab07bd0f0a5cb438a71b69ad586c83df202c0aa27a3c22bf4e7e4863071f13afa78c665aa64db12b2e5cf5231a0ec33e03e3c24e3255837504d90c7f8f566

    • SSDEEP

      1536:GRMuZuWrnx7avrCQVYQPZ9gSSdwLWMgeeOhYWmx99SsEzTQ7ZUs3L8CEJUzO8n7D:urnxYKQPZm2ytIhYVxb7ZjgvJUy8nLqQ

    Score
    10/10
    evasionpersistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks