Overview

overview

10

Static

static

10

2024-06-24...at.exe

windows7-x64

10

2024-06-24...at.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-06-24_c8015ef5fd4928a90e064f2ef5aebc97_icedid_poet-rat_quasar-rat_xrat

  • Size

    4.0MB

  • Sample

    240624-kzwvpathqb

  • MD5

    c8015ef5fd4928a90e064f2ef5aebc97

  • SHA1

    e7258d245f886af77154fcb2838a1adadba34e94

  • SHA256

    97787cbf8314dfd67bbb56e12489e8900022b3c31565b275f479bcaa9b9e7557

  • SHA512

    9450336f760f3b1749f21203d992f3ef095164d3f1cf91ede05d157830a59e1a054b9c682fb5c6dee794604c944d34b7e03367bba03dbdcfbf51c1073d33010c

  • SSDEEP

    98304:Qh81Y4zw2GFvr22SsaNYfdPBldt6+dBcjHtKRJ6Bf:by2KM7jGIf

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

mx5.deitie.asia:4495

Mutex

ebbf737a-dddd-43dd-9b0a-74831302455d

Attributes
  • encryption_key

    F8516D89A1DFD78BD8FF575BBC3AE828B47FF0E1

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      2024-06-24_c8015ef5fd4928a90e064f2ef5aebc97_icedid_poet-rat_quasar-rat_xrat

    • Size

      4.0MB

    • MD5

      c8015ef5fd4928a90e064f2ef5aebc97

    • SHA1

      e7258d245f886af77154fcb2838a1adadba34e94

    • SHA256

      97787cbf8314dfd67bbb56e12489e8900022b3c31565b275f479bcaa9b9e7557

    • SHA512

      9450336f760f3b1749f21203d992f3ef095164d3f1cf91ede05d157830a59e1a054b9c682fb5c6dee794604c944d34b7e03367bba03dbdcfbf51c1073d33010c

    • SSDEEP

      98304:Qh81Y4zw2GFvr22SsaNYfdPBldt6+dBcjHtKRJ6Bf:by2KM7jGIf

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables containing common artifacts observed in infostealers

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks