Overview

overview

10

Static

static

1

47e6542e23...in.exe

windows7-x64

10

47e6542e23...in.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    47e6542e234e5ffed88732519f19008c.bin.exe

  • Size

    680KB

  • Sample

    240524-j29znaag7s

  • MD5

    47e6542e234e5ffed88732519f19008c

  • SHA1

    b3dd01bf81d5b4b9595c13032d0fc8006dbc7e64

  • SHA256

    ae55dc186e2373b964f1d84fd51aa7692fdb2994cc163128b97631c3ba7f7066

  • SHA512

    98e4ddd035c81623ba2dcc5fc4ca58da3aa6ba10c7bce25ab0a00e7737c11152d6a77507c859f7f369be8fc456189acb5fe90a55064a5bf790e06662f3b589ce

  • SSDEEP

    12288:+Xplx92r2O9Ycny57ohEDGtnXCkgybsySO+TbQnpNwMfgriFg3ikzA6pVPbi81kR:oFTCy5XityUWXUNwMfgrV3ikz8

Score
10/10
asyncratdefaultexecutionrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

198.55.115.39:6606

198.55.115.39:7707

198.55.115.39:8808
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Wndfnder.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      47e6542e234e5ffed88732519f19008c.bin.exe

    • Size

      680KB

    • MD5

      47e6542e234e5ffed88732519f19008c

    • SHA1

      b3dd01bf81d5b4b9595c13032d0fc8006dbc7e64

    • SHA256

      ae55dc186e2373b964f1d84fd51aa7692fdb2994cc163128b97631c3ba7f7066

    • SHA512

      98e4ddd035c81623ba2dcc5fc4ca58da3aa6ba10c7bce25ab0a00e7737c11152d6a77507c859f7f369be8fc456189acb5fe90a55064a5bf790e06662f3b589ce

    • SSDEEP

      12288:+Xplx92r2O9Ycny57ohEDGtnXCkgybsySO+TbQnpNwMfgriFg3ikzA6pVPbi81kR:oFTCy5XityUWXUNwMfgrV3ikz8

    Score
    10/10
    asyncratdefaultexecutionrat

    • AsyncRat

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

      ratasyncrat

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks