Overview

overview

10

Static

static

3

update.exe

windows10-2004-x64

10

update.exe

windows11-ltsc_2024-x64

10

Resubmissions

08/08/2026, 04:32

260808-e57aqattf110

08/08/2026, 04:30

260808-e4vwaszgka10

Sharing

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General

  • Target
    update.exe
  • Size 7.7MB
  • Sample260808-e4vwaszgka
  • SHA256 d29509908c45829ad97aff63a4dfae911eb4146fcbbfa211a0931adb3057b314
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
antarctida_stealercollectiondiscoveryexecutionpersistenceprivilege_escalationpyinstallerspywarestealer

Malware Config

Extracted

Family

  • antarctida_stealer

Mutex

  • Z8NWDG0EHE3AD5MGCED4ML6JP40KZ2CRRFJSVD9QB7URP8BNB9IVISPZ67VKL9DV

Attributes
  • Wifi

    true

  • anti_debug

    false

  • anti_vm

    false

  • bot_token

    MTUzNTQ1ODEzNDI5NzAxODM3OQ.Gj2cgK.UaDl1yW77G-GLwemknuTxAyjhM5p2xVeXBdc5k

  • browsers

    true

  • chat_id

    1489351764561100944

  • crypto

    true

  • ftp

    false

  • gaming

    true

  • grabber

    true

  • hide

    false

  • hosts

    false

  • mail

    true

  • melt

    false

  • messengers

    true

  • mutex

    Z8NWDG0EHE3AD5MGCED4ML6JP40KZ2CRRFJSVD9QB7URP8BNB9IVISPZ67VKL9DV

  • netstat

    true

  • process_dump

    false

  • product_key

    true

  • screenshot

    true

  • sockets

    true

  • startup

    true

  • sys_info

    true

  • vpn

    true

  • watchdog

    false

  • webcam

    true

Targets

    • Target
      update.exe
    • Size 7.7MB
    • SHA256 d29509908c45829ad97aff63a4dfae911eb4146fcbbfa211a0931adb3057b314
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    collectiondiscoveryexecutionantarctida_stealerpersistenceprivilege_escalationspywarestealer

    • Family: AntarctidaStealer

      AntarctidaStealer is an Windows stealer written in C#.

      stealerantarctida_stealer

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

System Information Discovery

1
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