Overview

overview

10

Static

static

10

skuld.exe

windows10-2004-x64

10

skuld.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    skuld.exe
  • Size 15.3MB
  • Sample260806-c678asfd78
  • SHA256 a48d13c8760ba533fef095ce3c303b81662f684809138fbaa4310edea6d4c260
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
skulddefense_evasiondiscoverypersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target
      skuld.exe
    • Size 15.3MB
    • SHA256 a48d13c8760ba533fef095ce3c303b81662f684809138fbaa4310edea6d4c260
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryskuldpersistenceprivilege_escalationstealerspyware

    • Detects SkuldStealer

    • Family: Skuld stealer

      An info stealer written in Go lang.

      stealerskuld

    • Executes dropped EXE

    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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

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

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

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

1
T1112

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

System Information Discovery

1
T1082

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks