Overview

overview

10

Static

static

10

a83e969ffc...67.exe

windows7-x64

10

a83e969ffc...67.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a83e969ffc192231f2690fab578e9767.bin

  • Size

    3.1MB

  • Sample

    240701-df2hhatgmh

  • MD5

    a83e969ffc192231f2690fab578e9767

  • SHA1

    c18087b36c233437d9357cb5a9ff4317ac0060ec

  • SHA256

    98434fe3c17f66fea234631199b6ba3c4b472b52fbcf66b2f0329866b08fd797

  • SHA512

    eb004be33eae8ec01cf1a279c06a3288b0a5be568586d92a93bfecd2a81429398a2e7524e3a2400976a836bb40f45650e6f4bd49cececb8bf987467d22248770

  • SSDEEP

    49152:HvOlL26AaNeWgPhlmVqvMQ7XSKxeRJ6qbR3LoGdtzrTHHB72eh2NT:Hv+L26AaNeWgPhlmVqkQ7XSKxeRJ6E9

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

pringelsy-36149.portmap.host:36149

Mutex

63621aac-ae17-49da-9413-459827e68061

Attributes
  • encryption_key

    4F2985A1DF21C9CA0E34D9186E1BC62AF4B58C14

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Targets

    • Target

      a83e969ffc192231f2690fab578e9767.bin

    • Size

      3.1MB

    • MD5

      a83e969ffc192231f2690fab578e9767

    • SHA1

      c18087b36c233437d9357cb5a9ff4317ac0060ec

    • SHA256

      98434fe3c17f66fea234631199b6ba3c4b472b52fbcf66b2f0329866b08fd797

    • SHA512

      eb004be33eae8ec01cf1a279c06a3288b0a5be568586d92a93bfecd2a81429398a2e7524e3a2400976a836bb40f45650e6f4bd49cececb8bf987467d22248770

    • SSDEEP

      49152:HvOlL26AaNeWgPhlmVqvMQ7XSKxeRJ6qbR3LoGdtzrTHHB72eh2NT:Hv+L26AaNeWgPhlmVqkQ7XSKxeRJ6E9

    Score
    10/10
    quasaroffice04spywaretrojan

    • 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 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

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks