General

  • Target

    95861518ef095e5ffd16260e0a5ba1b2917fa9efaeaac75e7f5a20816a4fe35a

  • Size

    1000KB

  • Sample

    240118-bjn1gahghm

  • MD5

    f71a4c25dbdc3fd5ee21b0ab15328cc5

  • SHA1

    78eb0c54ce0127a93fc6007baeee980ff0562b45

  • SHA256

    95861518ef095e5ffd16260e0a5ba1b2917fa9efaeaac75e7f5a20816a4fe35a

  • SHA512

    61bc151952cacfdc99af9cbe450625aa2e23e498dea7b8327571a55e20a27060992b1cd7beb9bff71ded2edffc4fe73764c83220790d53a8af6274052a06eed0

  • SSDEEP

    24576:qxLsMs8WdUS8KMcXK0QVQoU/TXJBdSnIernu:usldslc9Ci/TXp

Malware Config

Targets

    • Target

      95861518ef095e5ffd16260e0a5ba1b2917fa9efaeaac75e7f5a20816a4fe35a

    • Size

      1000KB

    • MD5

      f71a4c25dbdc3fd5ee21b0ab15328cc5

    • SHA1

      78eb0c54ce0127a93fc6007baeee980ff0562b45

    • SHA256

      95861518ef095e5ffd16260e0a5ba1b2917fa9efaeaac75e7f5a20816a4fe35a

    • SHA512

      61bc151952cacfdc99af9cbe450625aa2e23e498dea7b8327571a55e20a27060992b1cd7beb9bff71ded2edffc4fe73764c83220790d53a8af6274052a06eed0

    • SSDEEP

      24576:qxLsMs8WdUS8KMcXK0QVQoU/TXJBdSnIernu:usldslc9Ci/TXp

    • 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