Overview

overview

10

Static

static

3

e3f245020b...44.exe

windows7-x64

10

e3f245020b...44.exe

windows10-2004-x64

10

Resubmissions

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General

  • Target

    e3f245020bcf6beaca39b8cc9eb06b3db7f209356e765f41d8306ad56735e944.exe

  • Size

    231KB

  • Sample

    240524-b8brfahb73

  • MD5

    144f1b1c4b9cdad97d8dd1a3a89e7ea1

  • SHA1

    1a11d76a6ab646a0d699efa0e5fc71de6e5af92c

  • SHA256

    e3f245020bcf6beaca39b8cc9eb06b3db7f209356e765f41d8306ad56735e944

  • SHA512

    2697bde82afdef6b3e9079e9add7a9026fffec2a9093932d6c05256fe73df0ef9a2fac4f26de28e2b5d87cc7dd0651dac80baa2a3841148409ab2c3ea32b6882

  • SSDEEP

    6144:TZ+geAPqybJnO5AbpbO9jhJdrz8U6n4eOP07NyGyG2qYlw5S3U19:T4FvybJNpazzfoyG

Score
10/10
asyncratdefaultpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

66.235.168.242:4449

Mutex

scgofjarww

Attributes
  • delay

    1

  • install

    true

  • install_file

    Loader.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

66.235.168.242:3232

Attributes
  • delay

    1

  • install

    true

  • install_file

    Loaader.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      e3f245020bcf6beaca39b8cc9eb06b3db7f209356e765f41d8306ad56735e944.exe

    • Size

      231KB

    • MD5

      144f1b1c4b9cdad97d8dd1a3a89e7ea1

    • SHA1

      1a11d76a6ab646a0d699efa0e5fc71de6e5af92c

    • SHA256

      e3f245020bcf6beaca39b8cc9eb06b3db7f209356e765f41d8306ad56735e944

    • SHA512

      2697bde82afdef6b3e9079e9add7a9026fffec2a9093932d6c05256fe73df0ef9a2fac4f26de28e2b5d87cc7dd0651dac80baa2a3841148409ab2c3ea32b6882

    • SSDEEP

      6144:TZ+geAPqybJnO5AbpbO9jhJdrz8U6n4eOP07NyGyG2qYlw5S3U19:T4FvybJNpazzfoyG

    Score
    10/10
    asyncratdefaultpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Async RAT payload

      rat

    • Detects executables attemping to enumerate video devices using WMI

    • Detects executables containing the string DcRatBy

    • Detects executables packed with ConfuserEx Mod

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks