Overview

overview

10

Static

static

10

AsyncClient.exe

windows7-x64

10

AsyncClient.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    AsyncClient.exe

  • Size

    45KB

  • Sample

    220927-w9yb2sfccr

  • MD5

    7baa4836bd81113c16960501f679a81b

  • SHA1

    007416f9ba10d2e2951a9dcd104b7206ad20d433

  • SHA256

    094b57a07096fb1f866a104c0b14c84aa99815b613587780765c8c6cd6ef1a42

  • SHA512

    988035fbecccadab900f3a6bf2936b5241fa197956286c135a3921370b153e4a12fced55c7cd1760889dd63f970f3b5c37c890aa9e45fbd6afa52934face1079

  • SSDEEP

    768:bum8n1TQwtPtWUN01nmo2qzPKjGKG6PIyzjbFgX3irARm3OCkgCdqTHBDZ3x:bum81TQq426KYDy3bCXSrARmeCkgmqTB

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

62.37.96.229:30120

192.168.1.114:30120
Mutex

6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    RedEngine.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      45KB

    • MD5

      7baa4836bd81113c16960501f679a81b

    • SHA1

      007416f9ba10d2e2951a9dcd104b7206ad20d433

    • SHA256

      094b57a07096fb1f866a104c0b14c84aa99815b613587780765c8c6cd6ef1a42

    • SHA512

      988035fbecccadab900f3a6bf2936b5241fa197956286c135a3921370b153e4a12fced55c7cd1760889dd63f970f3b5c37c890aa9e45fbd6afa52934face1079

    • SSDEEP

      768:bum8n1TQwtPtWUN01nmo2qzPKjGKG6PIyzjbFgX3irARm3OCkgCdqTHBDZ3x:bum81TQq426KYDy3bCXSrARmeCkgmqTB

    Score
    10/10
    asyncratdefaultrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks