Overview

overview

10

Static

static

3

plikan.exe

windows10-2004-x64

10

plikan.exe

windows10-ltsc_2021-x64

10

plikan.exe

windows11-21h2-x64

10

plikan.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    plikan.exe
  • Size 2.1MB
  • Sample260809-wk361ashkb
  • SHA256 54154a472cf64c171cbd93d6e07d32c1b5115512d028734e711955a02a65b4c0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
antarctida_stealerdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Extracted

Family

  • antarctida_stealer

C2

  • https://api.telegram.org/bot7234567890:AAHt4fLkz9wQ8xYp2BnM6vRcJ3sW7aE5dF0g/sendMessage?chat_id=7809455858

  • https://api.telegram.org/bot8945623101:AAG7rP9sN2bXcVfR5tYhU8jKl3wQ6eZ1oA4/sendMessage?chat_id=7809455858

  • https://api.telegram.org/bot8567890123:AAF5mN2pQrS7tUvW9xYzA4bC6dE0fG3hJ8/sendMessage?chat_id=7809455858

  • https://api.telegram.org/bot8790123456:AAG9mN2pQrS5tUvW8xYzA3bC6dE1fG4hJ7/sendMessage?chat_id=7809455858

  • https://api.telegram.org/bot9012345678:AAH6kLmN4pQrS8tUvW2xYzA5bC9dE0fG3h/sendMessage?chat_id=7809455858

  • https://api.telegram.org/bot9123456789:AAE5kLmN9pQrS4tUvW6xYzA8bC1dE2fG3hI/sendMessage?chat_id=7809455858

  • https://api.telegram.org/bot8345678901:AAE2gH7jK5lN9pQrS3tUvW6xYzA8bC1dE4/sendMessage?chat_id=7809455858

  • https://api.telegram.org/bot8567342901:AAF3gH7jK5lN8pQrS2tUvW4xYzA6bC9dE0f/sendMessage?chat_id=7809455858

Mutex

  • 23AGT69WVTNC3CD5

Attributes
  • Wifi

    true

  • bot_token

    7234567890:AAHt4fLkz9wQ8xYp2BnM6vRcJ3sW7aE5dF0g

  • browsers

    true

  • chat_id

    7809455858

  • crypto

    true

  • gaming

    true

  • grabber

    true

  • hide

    true

  • hosts

    true

  • mail

    true

  • messengers

    true

  • mutex

    23AGT69WVTNC3CD5

  • netstat

    true

  • process_dump

    true

  • product_key

    true

  • screenshot

    true

  • sockets

    true

  • sys_info

    true

Targets

    • Target
      plikan.exe
    • Size 2.1MB
    • SHA256 54154a472cf64c171cbd93d6e07d32c1b5115512d028734e711955a02a65b4c0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionantarctida_stealerpersistenceprivilege_escalationspywarestealer

    • Family: AntarctidaStealer

      AntarctidaStealer is an Windows stealer written in C#.

      stealerantarctida_stealer

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

      discovery
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

2
T1552

Credentials In Files

1
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Browser Information Discovery

1
T1217

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Wi-Fi Discovery

1
T1016.002

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

2
T1005

Command and Control

Exfiltration

Impact

Tasks