General

  • Target

    4d02168925f891eba820a3d8050fdf7a3de7ddd9a3aabb529dfa45ae6e540f79

  • Size

    649KB

  • Sample

    240120-bf48aaggfl

  • MD5

    d87dbaf2295af3f2f55f7ca333b4668f

  • SHA1

    95aa151d52ce3174d4d0e909c8e14e8373e4506a

  • SHA256

    4d02168925f891eba820a3d8050fdf7a3de7ddd9a3aabb529dfa45ae6e540f79

  • SHA512

    992b8d780758003e237e5c4c3b8eb9cd5276f79965d58976ce0b93128a95346927ee122294b8dea2c8f46aea4b7ab46c916099fbf60b15cc4987dec34217d0a3

  • SSDEEP

    12288:jBdlwHRn+WlYV+8T+tkU5bw6g8h+Y409dMCZyH0FVI8QV:jBkVdlYAK23FNZyHf8QV

Malware Config

Targets

    • Target

      4d02168925f891eba820a3d8050fdf7a3de7ddd9a3aabb529dfa45ae6e540f79

    • Size

      649KB

    • MD5

      d87dbaf2295af3f2f55f7ca333b4668f

    • SHA1

      95aa151d52ce3174d4d0e909c8e14e8373e4506a

    • SHA256

      4d02168925f891eba820a3d8050fdf7a3de7ddd9a3aabb529dfa45ae6e540f79

    • SHA512

      992b8d780758003e237e5c4c3b8eb9cd5276f79965d58976ce0b93128a95346927ee122294b8dea2c8f46aea4b7ab46c916099fbf60b15cc4987dec34217d0a3

    • SSDEEP

      12288:jBdlwHRn+WlYV+8T+tkU5bw6g8h+Y409dMCZyH0FVI8QV:jBkVdlYAK23FNZyHf8QV

    • Detects Echelon Stealer payload

    • Echelon

      Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Impact

Service Stop

1
T1489

Tasks