Overview

overview

10

Static

static

10

Antarctida...43.exe

windows10-2004-x64

10

Antarctida...43.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Antarctida_t9zcg5xhfn43.exe
  • Size 204KB
  • Sample260811-2bth4atanb
  • SHA256 d9e311a1bf4bc767c5d1015cd127c9b24bc2306a1d8e4d1342c5562f200c01ea
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
antarctida_stealerdefense_evasiondiscoveryexecutionpersistencespywarestealer

Malware Config

Extracted

Family

  • antarctida_stealer

C2

  • https://api.telegram.org/bot8950639119:AAH8eNd-9sdh0rVwAlDdgCgnropD-_MnVY0/sendMessage?chat_id=8697149202

Mutex

  • EWE8I7KIWJRLTHMN

Attributes
  • Wifi

    true

  • bot_token

    8950639119:AAH8eNd-9sdh0rVwAlDdgCgnropD-_MnVY0

  • browsers

    true

  • chat_id

    8697149202

  • crypto

    false

  • gaming

    true

  • grabber

    true

  • hide

    false

  • hosts

    true

  • mail

    true

  • messengers

    true

  • mutex

    EWE8I7KIWJRLTHMN

  • netstat

    true

  • process_dump

    true

  • product_key

    true

  • screenshot

    true

  • sockets

    false

  • sys_info

    true

Targets

    • Target
      Antarctida_t9zcg5xhfn43.exe
    • Size 204KB
    • SHA256 d9e311a1bf4bc767c5d1015cd127c9b24bc2306a1d8e4d1342c5562f200c01ea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionantarctida_stealerpersistencespywarestealer

    • Family: AntarctidaStealer

      AntarctidaStealer is an Windows stealer written in C#.

      stealerantarctida_stealer

    • 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
    behavioral1behavioral2

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

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 Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

2
T1005

Command and Control

Exfiltration

Impact

Tasks