Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250210-l2ff6aylhw

  • MD5

    3010b26c30afcedafd065d7ed0f367fb

  • SHA1

    8a0a354949de514c29839f597fec207384b8addb

  • SHA256

    e3ceb8681f33e2b9f491550e166dc72c1325581861927272895ba017941a7034

  • SHA512

    db95784c69baefc73d08715bd3efa4ebcffecab906c2a94c681bdef627f8d47a73a4d1616b3156fbb0484be758c73989bcd9efe94aa96a8c5b69ed2fb060300f

  • SSDEEP

    49152:rvnI22SsaNYfdPBldt698dBcjHeCRJ6obR3LoGd4fHTHHB72eh2NT:rvI22SsaNYfdPBldt6+dBcjHeCRJ6CI

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

table-hon.gl.at.ply.gg:44654

Mutex

303304a0-34b4-436d-ad5b-84bd789784c4

Attributes
  • encryption_key

    1E172C9B0BC2084D3120C199CF3C28EC683D69A1

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    System Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      3010b26c30afcedafd065d7ed0f367fb

    • SHA1

      8a0a354949de514c29839f597fec207384b8addb

    • SHA256

      e3ceb8681f33e2b9f491550e166dc72c1325581861927272895ba017941a7034

    • SHA512

      db95784c69baefc73d08715bd3efa4ebcffecab906c2a94c681bdef627f8d47a73a4d1616b3156fbb0484be758c73989bcd9efe94aa96a8c5b69ed2fb060300f

    • SSDEEP

      49152:rvnI22SsaNYfdPBldt698dBcjHeCRJ6obR3LoGd4fHTHHB72eh2NT:rvI22SsaNYfdPBldt6+dBcjHeCRJ6CI

    Score
    10/10
    quasaroffice04spywaretrojandiscovery

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks