Overview

overview

10

Static

static

Invoice.vbs

windows10_x64

10

Sharing

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General

  • Target

    Invoice.vbs

  • Size

    32KB

  • Sample

    220113-xkap5acbel

  • MD5

    19c6520ed056e9dec48778a3e3d4203d

  • SHA1

    56111103ba9c4683f5726bd1b6d08ef6b94843cb

  • SHA256

    6224a7c89983e47390bad704d603217393ae159e59909987b5097cbd3590b700

  • SHA512

    30d1417ff0fde0b191c026568ae33cb52eb3fe7e7a7a36f5687e80e2f8202896e2f7987ab6fdcc998a32c15aa9a5eaaa06aa9f32979b11e52a8fae376e6b942e

Score
10/10
asyncratoffice365ratsuricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Office365

C2

null:null

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • anti_vm

    false

  • bsod

    false

  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/ySTxwDDK

aes.plain

Targets

    • Target

      Invoice.vbs

    • Size

      32KB

    • MD5

      19c6520ed056e9dec48778a3e3d4203d

    • SHA1

      56111103ba9c4683f5726bd1b6d08ef6b94843cb

    • SHA256

      6224a7c89983e47390bad704d603217393ae159e59909987b5097cbd3590b700

    • SHA512

      30d1417ff0fde0b191c026568ae33cb52eb3fe7e7a7a36f5687e80e2f8202896e2f7987ab6fdcc998a32c15aa9a5eaaa06aa9f32979b11e52a8fae376e6b942e

    Score
    10/10
    asyncratoffice365ratsuricata

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

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

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

      suricata

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Deletes itself

    • Drops startup file

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks