Overview

overview

10

Static

static

10

e7fa949481...1f.exe

windows7-x64

10

e7fa949481...1f.exe

windows10-2004-x64

10

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General

  • Target

    e7fa9494811b479f00405027a8bad59dccaa410ac439bdd046ed2c440d0e101f.exe

  • Size

    3.1MB

  • Sample

    241217-fvq2esspaq

  • MD5

    5da0a355dcd44b29fdd27a5eba904d8d

  • SHA1

    1099e489937a644376653ab4b5921da9527f50a9

  • SHA256

    e7fa9494811b479f00405027a8bad59dccaa410ac439bdd046ed2c440d0e101f

  • SHA512

    289ac0076045bcb1e8b35d572ed27eca424f718b9ef26d821a5cc7ee372203125a6c516b296044efc23ad4d4bd771e1d875cf74107b9205c5312a6c49d37b0a6

  • SSDEEP

    49152:3viI22SsaNYfdPBldt698dBcjHFfRJ6fbR3LoGd5THHB72eh2NT:3vv22SsaNYfdPBldt6+dBcjHFfRJ6x

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.79:4782

Mutex

956eafb2-7482-407b-bff4-d2b57a1c3d75

Attributes
  • encryption_key

    EFEBD005E03B8B8669985D9A167E2BEF9FFCA477

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      e7fa9494811b479f00405027a8bad59dccaa410ac439bdd046ed2c440d0e101f.exe

    • Size

      3.1MB

    • MD5

      5da0a355dcd44b29fdd27a5eba904d8d

    • SHA1

      1099e489937a644376653ab4b5921da9527f50a9

    • SHA256

      e7fa9494811b479f00405027a8bad59dccaa410ac439bdd046ed2c440d0e101f

    • SHA512

      289ac0076045bcb1e8b35d572ed27eca424f718b9ef26d821a5cc7ee372203125a6c516b296044efc23ad4d4bd771e1d875cf74107b9205c5312a6c49d37b0a6

    • SSDEEP

      49152:3viI22SsaNYfdPBldt698dBcjHFfRJ6fbR3LoGd5THHB72eh2NT:3vv22SsaNYfdPBldt6+dBcjHFfRJ6x

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks