Overview

overview

10

Static

static

10

Antarctida...4r.exe

windows10-2004-x64

10

Antarctida...4r.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Antarctida_2fgabpllk04r.exe
  • Size 178KB
  • Sample260808-bty87azxav
  • SHA256 b7296664efedcce0cae8c97e9c24e7997c048930884dccc0b8dfb9353da9c936
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
antarctida_stealercollectiondefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Extracted

Family

  • antarctida_stealer

Mutex

  • M5NAHPWHSRO2AMO4SWUQWJZ1VU61C1FI3IKLY1HSAS0UCLNPAMHBYY8Q92BC1PRC

Attributes
  • Wifi

    true

  • anti_debug

    true

  • anti_vm

    true

  • bot_token

    MTUzNTQ1ODEzNDI5NzAxODM3OQ.Gj2cgK.UaDl1yW77G-GLwemknuTxAyjhM5p2xVeXBdc5k

  • browsers

    true

  • chat_id

    1489351764561100944

  • crypto

    true

  • ftp

    true

  • gaming

    true

  • grabber

    true

  • hide

    false

  • hosts

    false

  • mail

    true

  • melt

    false

  • messengers

    true

  • mutex

    M5NAHPWHSRO2AMO4SWUQWJZ1VU61C1FI3IKLY1HSAS0UCLNPAMHBYY8Q92BC1PRC

  • netstat

    true

  • process_dump

    false

  • product_key

    true

  • screenshot

    true

  • sockets

    true

  • startup

    true

  • sys_info

    true

  • vpn

    true

  • watchdog

    true

  • webcam

    true

Targets

    • Target
      Antarctida_2fgabpllk04r.exe
    • Size 178KB
    • SHA256 b7296664efedcce0cae8c97e9c24e7997c048930884dccc0b8dfb9353da9c936
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionantarctida_stealerstealercollectionpersistenceprivilege_escalationspyware

    • Family: AntarctidaStealer

      AntarctidaStealer is an Windows stealer written in C#.

      stealerantarctida_stealer

    • 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

    • Accesses Microsoft Outlook profiles

      collection

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

1
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

1
T1012

System Information Discovery

3
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 Network Connections Discovery

1
T1049

Lateral Movement

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Command and Control

Exfiltration

Impact

Tasks