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Overview

overview

10

Static

static

10

fontdrvhost.exe

windows7-x64

10

fontdrvhost.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fontdrvhost.exe

  • Size

    3.1MB

  • Sample

    230827-3rhxzafg21

  • MD5

    3aaaf4be968f7846cc3697959a6ba5ec

  • SHA1

    66c6de49521762033bc0f08d2fc2a18c2c678197

  • SHA256

    29f9003753e24d20e597b7c71661dadd221b011c9f14531e25e0bf1c55145123

  • SHA512

    6626e7e982e65c02fac4b9ae40f5f57e7bc4e79aaa08c9aa12d4b42f1fee0ca6449608972dbe19d634fe48cd8835f8fa5456780f62da143614b28a1f18489ecf

  • SSDEEP

    49152:fvve821/aQWl8P0lSk3aKA3Z+new/6BxyLoGd0qQTHHB72eh2NT:fvm821/aQWl8P0lSk3DA3Z+n5/5E

Score
10/10
quasarmy vmspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

My VM

C2

server1.trustedvpnservices.com:13832

higradevpn.xyz:13832
Mutex

071e2576-e94a-492e-8303-baae1cb4641c

Attributes
  • encryption_key

    402F6F1B2F63357285F585A5880FBC2C0F468F55

  • install_name

    fontdrvhost.exe

  • log_directory

    CrashLogs

  • reconnect_delay

    3000

  • startup_key

    Usermode Font Driver Host

  • subdirectory

    C:\Windows\System32

Targets

    • Target

      fontdrvhost.exe

    • Size

      3.1MB

    • MD5

      3aaaf4be968f7846cc3697959a6ba5ec

    • SHA1

      66c6de49521762033bc0f08d2fc2a18c2c678197

    • SHA256

      29f9003753e24d20e597b7c71661dadd221b011c9f14531e25e0bf1c55145123

    • SHA512

      6626e7e982e65c02fac4b9ae40f5f57e7bc4e79aaa08c9aa12d4b42f1fee0ca6449608972dbe19d634fe48cd8835f8fa5456780f62da143614b28a1f18489ecf

    • SSDEEP

      49152:fvve821/aQWl8P0lSk3aKA3Z+new/6BxyLoGd0qQTHHB72eh2NT:fvm821/aQWl8P0lSk3DA3Z+n5/5E

    Score
    10/10
    quasarmy vmspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks