Overview

overview

10

Static

static

10

Builder.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Builder.exe

  • Size

    273KB

  • Sample

    240707-tm14bavenp

  • MD5

    2a388e389df3136db839745d13a2bbd0

  • SHA1

    1ba063842110c80d2a6bdf8280ec88b426b9d4ea

  • SHA256

    a2251164857af32d0a13d3d91c9cb17af07f5858ad935c666a4787f12d585622

  • SHA512

    01715c872281fffd8587f5cdabb5a9d80c720871424a6bf50ad0e8de7aae69536d0d4ffecb611ecfb8e98190e96b8ba896c96bf2dc0ebdda511f74909b5cb559

  • SSDEEP

    3072:Ee8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTiwARE+WpC/Bz65/M6If+3JC:g6ewwIwQJ6vKX0c5MlYZ0b2zFxBt25

Score
10/10
asyncratstormkittydefaultpersistenceprivilege_escalationratspywarestealer

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot5602729079:AAHue5HGrezQGgwKeWyn3WQgaqOZM5nlF_c/sendMessage?chat_id=6067717150
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Builder.exe

    • Size

      273KB

    • MD5

      2a388e389df3136db839745d13a2bbd0

    • SHA1

      1ba063842110c80d2a6bdf8280ec88b426b9d4ea

    • SHA256

      a2251164857af32d0a13d3d91c9cb17af07f5858ad935c666a4787f12d585622

    • SHA512

      01715c872281fffd8587f5cdabb5a9d80c720871424a6bf50ad0e8de7aae69536d0d4ffecb611ecfb8e98190e96b8ba896c96bf2dc0ebdda511f74909b5cb559

    • SSDEEP

      3072:Ee8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTiwARE+WpC/Bz65/M6If+3JC:g6ewwIwQJ6vKX0c5MlYZ0b2zFxBt25

    Score
    10/10
    asyncratstormkittydefaultpersistenceprivilege_escalationratspywarestealer

    • AsyncRat

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

      ratasyncrat

    • StormKitty

      StormKitty is an open source info stealer written in C#.

      stealerstormkitty

    • StormKitty payload

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks