General

  • Target

    543b3b925680a46c184e74e1241886b561c9a55970bc1200e19ee377a916f5f0

  • Size

    992KB

  • Sample

    240118-blr5xaafa4

  • MD5

    af98b79c86ad3d365c62a482505d45f5

  • SHA1

    f01414990dcf96cbb541278de2c47b31e0a5a095

  • SHA256

    543b3b925680a46c184e74e1241886b561c9a55970bc1200e19ee377a916f5f0

  • SHA512

    08cf29aca9e774a02abc29231ff1e64ff41f46df4532e1fc8f6df92fb28d52c758a2fa23e5c5a5cab1f484c44756356f98815c1a5140e4961ffd937cb9d89416

  • SSDEEP

    24576:jBkVdlYAKSyxe4Pfv7EgUDQK3LZlnphP3C40ffWQ2:Fsv5yxeKfv7EgULZ5/j0feQ2

Malware Config

Targets

    • Target

      543b3b925680a46c184e74e1241886b561c9a55970bc1200e19ee377a916f5f0

    • Size

      992KB

    • MD5

      af98b79c86ad3d365c62a482505d45f5

    • SHA1

      f01414990dcf96cbb541278de2c47b31e0a5a095

    • SHA256

      543b3b925680a46c184e74e1241886b561c9a55970bc1200e19ee377a916f5f0

    • SHA512

      08cf29aca9e774a02abc29231ff1e64ff41f46df4532e1fc8f6df92fb28d52c758a2fa23e5c5a5cab1f484c44756356f98815c1a5140e4961ffd937cb9d89416

    • SSDEEP

      24576:jBkVdlYAKSyxe4Pfv7EgUDQK3LZlnphP3C40ffWQ2:Fsv5yxeKfv7EgULZ5/j0feQ2

    • 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

Modify Registry

1
T1112

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