Overview

overview

10

Static

static

10

PryntVirus.exe

windows7-x64

10

PryntVirus.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    PryntVirus.exe.zip

  • Size

    81KB

  • Sample

    250115-r17f5sxjhj

  • MD5

    823f2554fd64d97de66fa281806c21e5

  • SHA1

    84005713be2b5799a4d93ad103a22c4496867fd9

  • SHA256

    fd0d9cf1b0714abdff0365a0d0e406cb7204ed272b4101c355698d87c831f6b9

  • SHA512

    43032b5b65cd5ca6fc5f7c276e829c805ad89a2e433e9fd5511047d2e7e4da2e3b16cf2c910e680d5a642a4527b93c5a62b895145d6d0e8c37f37387067189d9

  • SSDEEP

    1536:mVp85vTHeEHF5v7lGOo7rw5fLjmWtNOl8KxIm1+wsJZ5IwKKA:mV2TeEjv7MOoYVWlzxImUWiA

Score
10/10
asyncratstormkittydefaultdiscoverypersistenceprivilege_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/bot7632590974:AAH3TGb_QzmOcupCJLey_TtoLlCaX1M_Kvc/sendMessage?chat_id=7491284773
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      PryntVirus.exe.bin

    • Size

      175KB

    • MD5

      94536fed6b981091c2e9e8588e302c79

    • SHA1

      0f7db7625c22ffd146511e4350006a5813948ce6

    • SHA256

      914b43ad3b1faccc2fb2c049875bb0203065912520c6e1b56d3578ed897f759b

    • SHA512

      5c73c861f49c282b8ac5cfc4a5921f77042745fe26e3aca3e34b54c24c6d58b6c895046e52b294d69315719d70eae2775f9895114a0ecec46f7d74a9b13851b6

    • SSDEEP

      3072:U+lBDp+LQ1/fU2RSIIj6hLLYLCYJqvc1DfDTwYhac4IauJX9bj72d6MOINQ+WpW0:FD8u/fdRSIIj6hLLYLCYJqvc1DfXwYho

    Score
    10/10
    asyncratstormkittydefaultdiscoverypersistenceprivilege_escalationratspywarestealer

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • StormKitty

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

      stealerstormkitty

    • StormKitty payload

    • Stormkitty family

      stormkitty

    • Checks computer location settings

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

    • 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)

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks