Overview

overview

10

Static

static

wvCsXtVqSz...ent.js

windows7_x64

10

wvCsXtVqSz...ent.js

windows10-2004_x64

10

Sharing

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General

  • Target

    wvCsXtVqSzAsyncClient.js

  • Size

    133KB

  • Sample

    220705-frd8fsebfm

  • MD5

    21cc92af5a4d7e7014b5293923a1d710

  • SHA1

    c3c9bcb079dd1b9115f99a89aa4269023da3c980

  • SHA256

    d0de97d9f6773d634fe90c11579b13411bd07dbdb5faa9644f5edaba12d97856

  • SHA512

    d2bf085069d4467f101dfa35c926a5403d8a25f1ce15a849a9a7d4d522aec9e4360b5814b06d9270b4d1cbf718a43f309cadbeeb8a84e78e6cb7567d28f61996

Score
10/10
asyncratdefaultratsuricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

104.168.33.32:6606

37.120.212.235:6606
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      wvCsXtVqSzAsyncClient.js

    • Size

      133KB

    • MD5

      21cc92af5a4d7e7014b5293923a1d710

    • SHA1

      c3c9bcb079dd1b9115f99a89aa4269023da3c980

    • SHA256

      d0de97d9f6773d634fe90c11579b13411bd07dbdb5faa9644f5edaba12d97856

    • SHA512

      d2bf085069d4467f101dfa35c926a5403d8a25f1ce15a849a9a7d4d522aec9e4360b5814b06d9270b4d1cbf718a43f309cadbeeb8a84e78e6cb7567d28f61996

    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 Observed Malicious SSL Cert (AsyncRAT Server)

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

      suricata

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    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

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks