Overview

overview

10

Static

static

10

Start.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Start.exe

  • Size

    45KB

  • Sample

    241127-va9elaxrcr

  • MD5

    b733e729705bf66c1e5c66d97e247701

  • SHA1

    25eec814abdf1fc6afe621e16aa89c4eb42616b9

  • SHA256

    9081f9cf986ed111d976a07ee26fc2b1b9992301344197d6d3f83fe0d2616023

  • SHA512

    09b59b8942c1409a03ca4e7f77c6007160af4d557386b766516dba392750869c017d0fd5d6fbbfcbb3e559a70ad42adcb498595df186be180cfc04e921d74320

  • SSDEEP

    768:Nu2/0TckJ26WUsFvgmo2q7MKjPGaG6PIyzjbFgX3iWlcF4S0ru1pYI0sBDZOx:Nu2/0TceH2ZKTkDy3bCXSWlc6SKuRjdM

Score
10/10
asyncratdefaultdiscoveryevasionexecutionrattrojan

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

66.66.146.74:9511

Mutex

nwJFeGdDXcL2

Attributes
  • delay

    3

  • install

    true

  • install_file

    System32.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

one-accordance.gl.at.ply.gg:9590

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windows Defender.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Start.exe

    • Size

      45KB

    • MD5

      b733e729705bf66c1e5c66d97e247701

    • SHA1

      25eec814abdf1fc6afe621e16aa89c4eb42616b9

    • SHA256

      9081f9cf986ed111d976a07ee26fc2b1b9992301344197d6d3f83fe0d2616023

    • SHA512

      09b59b8942c1409a03ca4e7f77c6007160af4d557386b766516dba392750869c017d0fd5d6fbbfcbb3e559a70ad42adcb498595df186be180cfc04e921d74320

    • SSDEEP

      768:Nu2/0TckJ26WUsFvgmo2q7MKjPGaG6PIyzjbFgX3iWlcF4S0ru1pYI0sBDZOx:Nu2/0TceH2ZKTkDy3bCXSWlc6SKuRjdM

    Score
    10/10
    asyncratdefaultdiscoveryevasionexecutionrattrojan

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Windows security modification

      evasiontrojan

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks