Overview

overview

10

Static

static

10

Infected.exe

windows7-x64

10

Infected.exe

windows10-2004-x64

Sharing

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General

  • Target

    Infected.exe

  • Size

    63KB

  • Sample

    241119-1ep5eaxreq

  • MD5

    d1642320b4b4733552b78f746ccc2287

  • SHA1

    bc473457b7a95e6bf31f87645ee021041f818afc

  • SHA256

    2bb00b6059c1b0dacc9e952ccc1f819b09542f17eda7994a40d7ea361935ac34

  • SHA512

    680c7ecfadd4203f673db5fd4e7d245bda57cc3aa49cd52cf9cbad3dfc0001331d206e90a255f2a1687bab5fbb482fa4cb288e167fd39287cdcaa5c11bea2542

  • SSDEEP

    768:iil3pYNlrm78RIC8A+XjqazcBRL5JTk1+T4KSBGHmDbD/ph0oXz60m1avA74Su4V:Dyr0AdSJYUbdh9i15ju4dpqKmY7

Score
10/10
asyncratdefaultdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

147.185.221.23:64395

Attributes
  • delay

    1

  • install

    true

  • install_file

    sigma.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Infected.exe

    • Size

      63KB

    • MD5

      d1642320b4b4733552b78f746ccc2287

    • SHA1

      bc473457b7a95e6bf31f87645ee021041f818afc

    • SHA256

      2bb00b6059c1b0dacc9e952ccc1f819b09542f17eda7994a40d7ea361935ac34

    • SHA512

      680c7ecfadd4203f673db5fd4e7d245bda57cc3aa49cd52cf9cbad3dfc0001331d206e90a255f2a1687bab5fbb482fa4cb288e167fd39287cdcaa5c11bea2542

    • SSDEEP

      768:iil3pYNlrm78RIC8A+XjqazcBRL5JTk1+T4KSBGHmDbD/ph0oXz60m1avA74Su4V:Dyr0AdSJYUbdh9i15ju4dpqKmY7

    Score
    10/10
    asyncratdefaultratdiscoveryevasionpersistencetrojan

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks