Overview

overview

10

Static

static

05D8A8BF79...82.exe

windows7_x64

10

05D8A8BF79...82.exe

windows10_x64

10

Sharing

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General

  • Target

    05d8a8bf79967e16aa9cf2901d0b51727c5f85414d94e9a1285145abf3398982.zip

  • Size

    3.0MB

  • Sample

    211024-gknnzsdcc7

  • MD5

    30a5a274a04a0afa4b1fcd9cee3e8007

  • SHA1

    549cef6061e4c250fa7862ee94d8fd503d5073ff

  • SHA256

    404bd9129e5278d4b52da95e23861e32883f8c31daefc7a8ca7dbff279b84111

  • SHA512

    ea0f711e0070f433a7024f919b325cd0679b81d0b8c6a3f5e8cf9bf30b751614609ba469e76c2ebc75f902e56f3a33b612d33f02f91388c7f24d412ee60e14be

Score
10/10
asyncratquasardefaultpro21discoveryratspywaretrojan

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

pettbull.ddns.net:6606

pettbull.ddns.net:7707

pettbull.ddns.net:8808
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • anti_vm

    false

  • bsod

    false

  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    null

aes.plain

Extracted

Family

quasar

Version

1.4.0

Botnet

PRO21

C2

pettbull.ddns.net:4782

Mutex

23e7ca58-8298-4c9f-b276-3466dcf2cfc0

Attributes
  • encryption_key

    DAE9E02E5E04D59D9AF2AA1D5E82248D5919AC6A

  • install_name

    Windows Update.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Windows

  • subdirectory

    System32

Targets

    • Target

      05D8A8BF79967E16AA9CF2901D0B51727C5F85414D94E9A1285145ABF3398982

    • Size

      3.1MB

    • MD5

      9aad21656226a1e5faecd8845f6bf5f6

    • SHA1

      c842abda589d1a9e70b4201e92b84294e396604f

    • SHA256

      05d8a8bf79967e16aa9cf2901d0b51727c5f85414d94e9a1285145abf3398982

    • SHA512

      0f3443509607616649d6d804d17b53a8b7b05c82835958d9237660aa86881e28e43386d984b42776f53601f47dc639af0f15c3af47d0a7e47921ffbfa551605d

    Score
    10/10
    asyncratquasardefaultpro21discoveryratspywaretrojan

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks