Overview

overview

10

Static

static

99ef5cdcc8...eb.exe

windows7-x64

10

99ef5cdcc8...eb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    99ef5cdcc8d4101b45c724b59f9cd8c3cad9ca4b224d25fc9701b795b9939ceb

  • Size

    623KB

  • Sample

    230129-1bhadseh6s

  • MD5

    7c96849ae4903afd6f8d853458cb1f59

  • SHA1

    961806408c4be9d2d826b0665cba46e86dfc5c6a

  • SHA256

    99ef5cdcc8d4101b45c724b59f9cd8c3cad9ca4b224d25fc9701b795b9939ceb

  • SHA512

    18f33913b76737b302f9ce0d9c6925ab9a0c0c2ab5ef9f6c5b9fa220bbec7e78036c2ba4ccff62c7420e4ef9ba5228f30c163256a2849f16d0690ad5820a02dd

  • SSDEEP

    12288:0JM7K/6xFVdY/r29tDIVmz/Oee0F0q5jGLH6+usB:uXCxFVdY68VE/OX0RFCHa8

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:59588

127.0.0.1:8808

mr7bashbab.ddns.net:6606

mr7bashbab.ddns.net:7707

mr7bashbab.ddns.net:59588

mr7bashbab.ddns.net:8808
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    System.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      99ef5cdcc8d4101b45c724b59f9cd8c3cad9ca4b224d25fc9701b795b9939ceb

    • Size

      623KB

    • MD5

      7c96849ae4903afd6f8d853458cb1f59

    • SHA1

      961806408c4be9d2d826b0665cba46e86dfc5c6a

    • SHA256

      99ef5cdcc8d4101b45c724b59f9cd8c3cad9ca4b224d25fc9701b795b9939ceb

    • SHA512

      18f33913b76737b302f9ce0d9c6925ab9a0c0c2ab5ef9f6c5b9fa220bbec7e78036c2ba4ccff62c7420e4ef9ba5228f30c163256a2849f16d0690ad5820a02dd

    • SSDEEP

      12288:0JM7K/6xFVdY/r29tDIVmz/Oee0F0q5jGLH6+usB:uXCxFVdY68VE/OX0RFCHa8

    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