Overview

overview

10

Static

static

177.xlsx

windows7_x64

10

177.xlsx

windows10-2004_x64

1

Sharing

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General

  • Target

    177.xlsx

  • Size

    176KB

  • Sample

    220705-pf2ztaahf5

  • MD5

    5ffe37b62296142c38cd3660a5c15351

  • SHA1

    472afded700a957d3a862cc49c0a7519092d00fb

  • SHA256

    d9c6ae4ceb7ede24afeb4c598e3fef327002b6583272a4fa07ba868578d3d62a

  • SHA512

    85f3b64ebe22cf5fa505c6f0611745146a45c91a20ff22761174d101d02d0851af381491df485f431e639f45ed734ada373043cb76ccda302a6a9289b1a36f97

Score
10/10
asyncratdefaultratsuricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

37.0.14.204:2022

37.0.14.204:2019

37.0.14.204:5631
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      177.xlsx

    • Size

      176KB

    • MD5

      5ffe37b62296142c38cd3660a5c15351

    • SHA1

      472afded700a957d3a862cc49c0a7519092d00fb

    • SHA256

      d9c6ae4ceb7ede24afeb4c598e3fef327002b6583272a4fa07ba868578d3d62a

    • SHA512

      85f3b64ebe22cf5fa505c6f0611745146a45c91a20ff22761174d101d02d0851af381491df485f431e639f45ed734ada373043cb76ccda302a6a9289b1a36f97

    Score
    10/10
    asyncratdefaultratsuricata

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

      suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

      suricata

    • suricata: ET MALWARE MSIL/GenKryptik.FQRH Download Request

      suricata: ET MALWARE MSIL/GenKryptik.FQRH Download Request

      suricata

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

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

      suricata

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks