Overview

overview

10

Static

static

3

ef211cb6f3...60.exe

windows7-x64

10

ef211cb6f3...60.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef211cb6f339827eba4ab312b5b4a2b477798a233b975702e8d863e5a5c2f260

  • Size

    2.1MB

  • Sample

    241203-238gbsvkgk

  • MD5

    087a67ee553b19774b9ce8f45c9532b3

  • SHA1

    5a06e39e4000fb1480753d320e3b252c24b51c82

  • SHA256

    ef211cb6f339827eba4ab312b5b4a2b477798a233b975702e8d863e5a5c2f260

  • SHA512

    fe66c75ca8e55b3d4f34f742852f5821509510ec4dd614d3c7bcd857b3361c47ecb3e7871bf2c2c05362a3e4cfde935fdcf1a61c5995696ab78b30edad8bf274

  • SSDEEP

    49152:3Djlabwz9L7bFVItZNvxxiXIHLyoltZMqzlsHbk:zqwhlVQLvxqIHL5t6qobk

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.97:4782

Mutex

ce58d4d7-5ffa-4b20-9aff-e05dd520bef2

Attributes
  • encryption_key

    E7BFEA6A25E205DE16660AD01E8DE9BD5D2907A9

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      ef211cb6f339827eba4ab312b5b4a2b477798a233b975702e8d863e5a5c2f260

    • Size

      2.1MB

    • MD5

      087a67ee553b19774b9ce8f45c9532b3

    • SHA1

      5a06e39e4000fb1480753d320e3b252c24b51c82

    • SHA256

      ef211cb6f339827eba4ab312b5b4a2b477798a233b975702e8d863e5a5c2f260

    • SHA512

      fe66c75ca8e55b3d4f34f742852f5821509510ec4dd614d3c7bcd857b3361c47ecb3e7871bf2c2c05362a3e4cfde935fdcf1a61c5995696ab78b30edad8bf274

    • SSDEEP

      49152:3Djlabwz9L7bFVItZNvxxiXIHLyoltZMqzlsHbk:zqwhlVQLvxqIHL5t6qobk

    Score
    10/10
    quasaroffice04spywaretrojan

    • 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