General

  • Target

    1.exe

  • Size

    2.0MB

  • Sample

    200630-2emcedbzv2

  • MD5

    f8290f2d593a05ea811edbd3bff6eacc

  • SHA1

    497985116f4ebaa05f1774c16adb5aa52b8e9756

  • SHA256

    01aa2cf8db4badde36f1896d341e31c0fe91a51772f1aa50b9f59ba368973993

  • SHA512

    97e4563b6112e4f6c7ee46cc1e18de931d4e052d387e6c37f7fdd7d352ef817778bd95041eeaf05e2bdf657afa1b09e52f4933ca22c6ea8f98983d8c13b56c14

Malware Config

Targets

    • Target

      1.exe

    • Size

      2.0MB

    • MD5

      f8290f2d593a05ea811edbd3bff6eacc

    • SHA1

      497985116f4ebaa05f1774c16adb5aa52b8e9756

    • SHA256

      01aa2cf8db4badde36f1896d341e31c0fe91a51772f1aa50b9f59ba368973993

    • SHA512

      97e4563b6112e4f6c7ee46cc1e18de931d4e052d387e6c37f7fdd7d352ef817778bd95041eeaf05e2bdf657afa1b09e52f4933ca22c6ea8f98983d8c13b56c14

    • UAC bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

    • Looks up external IP address via web service

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

    • Modifies service

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

File Deletion

2
T1107

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Impact

Inhibit System Recovery

2
T1490

Tasks