Overview

overview

10

Static

static

TBAG2.exe

windows7_x64

6

TBAG2.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    TBAG2.exe

  • Size

    163KB

  • Sample

    220523-vpgm5abdhm

  • MD5

    7f2a753436c357cf86cefee430626e09

  • SHA1

    67f6f4cc1f66b7300e9692046a049efeede32dc1

  • SHA256

    35f13d8f063f086e5ef1cff022a0f1bb3daf65ed7163ec7854cc9b3c8bf46c1d

  • SHA512

    0e58b52adca2961b69f5e53b3f5d705b20131723f5c1244d0103a66a40616757693cf992384c0f61ba5e9f2c205ebc97a93791167cf6ba95d7280c10208403e4

Score
10/10
quasarsomeonediscoverypersistencepyinstallerspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Someone

C2

192.168.2.114:4782

Mutex

33bbb393-2876-451f-99b3-219386c5c0e9

Attributes
  • encryption_key

    2E5172990D74D1F134C8172466E0375E463B76FD

  • install_name

    winmanager.exe

  • log_directory

    properties

  • reconnect_delay

    3000

  • startup_key

    WinManager

  • subdirectory

    Windows Manager

Targets

    • Target

      TBAG2.exe

    • Size

      163KB

    • MD5

      7f2a753436c357cf86cefee430626e09

    • SHA1

      67f6f4cc1f66b7300e9692046a049efeede32dc1

    • SHA256

      35f13d8f063f086e5ef1cff022a0f1bb3daf65ed7163ec7854cc9b3c8bf46c1d

    • SHA512

      0e58b52adca2961b69f5e53b3f5d705b20131723f5c1244d0103a66a40616757693cf992384c0f61ba5e9f2c205ebc97a93791167cf6ba95d7280c10208403e4

    Score
    10/10
    persistencequasarsomeonediscoverypyinstallerspywaretrojan

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks