Overview

overview

10

Static

static

B3A5EDD96F...38.exe

windows7_x64

10

B3A5EDD96F...38.exe

windows10_x64

10

Sharing

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General

  • Target

    epm_setup.exe

  • Size

    45.9MB

  • Sample

    211020-ee1p9ahedk

  • MD5

    6021803b76b66d1ab76b94621f74ab0c

  • SHA1

    077206a6c26f97e5e405a4461fc3b51dbdd55527

  • SHA256

    cb77e8fcca7d092f32186a6cebd99f1d4e2a35b7ea95387af0699ccc8a8e759a

  • SHA512

    79f58011a09719d72f60e93a2d7efadc918e5005ee32e29c10bb00e737231319cfe737b6db25a4944a43af6fb879818edccc24ac396b71666d95e6ce0358f8d2

Score
10/10
asyncratquasardefaultpro21discoveryratspywaresuricatatrojan

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

      B3A5EDD96F0E9D42DA79564D4F9B8764CC52D07896A843F03FDC34C7CC23F338

    • Size

      46.0MB

    • MD5

      0821c3d4dee7db77d2b4fe56f242143f

    • SHA1

      5238e22879987f3ed2d524eb147d1859f184957b

    • SHA256

      b3a5edd96f0e9d42da79564d4f9b8764cc52d07896a843f03fdc34c7cc23f338

    • SHA512

      567035148517e9feffe094e1bccb5a8d2561051249a81cb5cbc250440c5e42a079fb6dd896853794168e49cd1fead9e1067930367bd572dfc6f56a9ec7fb5ad6

    Score
    10/10
    asyncratdefaultdiscoveryratsuricataquasarpro21spywaretrojan

    • 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

    • suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata

    • suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)

      suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)

      suricata

    • 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

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks