Overview

overview

10

Static

static

10

LastExternal.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    LastExternal.exe

  • Size

    3.1MB

  • Sample

    240520-yr3vxsfe6t

  • MD5

    d89bcb84ff94321d131f8f826a7177f5

  • SHA1

    3612cb183adeb6225f7ae0ac4425e8072baebb9c

  • SHA256

    7c7d0a81bb0037aa2d509217e0464572444cb79154470e72f364755fab99b7d4

  • SHA512

    2830d50245e266338a90163e9945a91623bc839d0d4657cdd6d6d8b8970c981e0eeaa1778f2ed5ecf61bcd870c03aa0a9d2e6dce0be461d13e6dfad17db7cf0d

  • SSDEEP

    49152:yv6Y52fyaSZOrPWluWBuGG5g5h0kxG1v1LoGKd+THHB72eh2NT:yvP52fyaSZOrPWluWBDG5g5h0kxK

Score
10/10
quasarcw2spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Cw2

C2

127.0.0.1:8080

Mutex

eeb96fcd-c654-4ba2-9a84-d3d5cfa5eee3

Attributes
  • encryption_key

    7A857EF3A3EB39AF399F1F3800FB9F842DC83C9E

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    1

  • startup_key

    W

  • subdirectory

    SubDir

Targets

    • Target

      LastExternal.exe

    • Size

      3.1MB

    • MD5

      d89bcb84ff94321d131f8f826a7177f5

    • SHA1

      3612cb183adeb6225f7ae0ac4425e8072baebb9c

    • SHA256

      7c7d0a81bb0037aa2d509217e0464572444cb79154470e72f364755fab99b7d4

    • SHA512

      2830d50245e266338a90163e9945a91623bc839d0d4657cdd6d6d8b8970c981e0eeaa1778f2ed5ecf61bcd870c03aa0a9d2e6dce0be461d13e6dfad17db7cf0d

    • SSDEEP

      49152:yv6Y52fyaSZOrPWluWBuGG5g5h0kxG1v1LoGKd+THHB72eh2NT:yvP52fyaSZOrPWluWBDG5g5h0kxK

    Score
    10/10
    quasarcw2spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks