General

  • Target

    EpicInstaller-15.17.1.msi

  • Size

    176.5MB

  • Sample

    240525-2jp6msdf25

  • MD5

    7a2cf04ac0c504a8ea5aed805dde484d

  • SHA1

    0536d7a178d1a42cea1476ea6b44bc53ed26bc63

  • SHA256

    6f3f486d7a8409fc174198818c039152c6268bd9fdf210ee6be1c91bf832b7e9

  • SHA512

    42aeed1d015ab279df3065e04adff8001672a13180f4d73121ace3bc8989783f12c7a5d0b50c684c74fd138fc1b4f451439acd7b6342d4f60c7d3a18034e0988

  • SSDEEP

    3145728:oyKHxXZR5bsPL+buxE4ynkX+kKbtt3V8mIeDLhZ8muXNNE7byK88OmTZbOW/rXi:IP4PAwUnkuk8BNbLIxg7bUQ

Malware Config

Targets

    • Target

      EpicInstaller-15.17.1.msi

    • Size

      176.5MB

    • MD5

      7a2cf04ac0c504a8ea5aed805dde484d

    • SHA1

      0536d7a178d1a42cea1476ea6b44bc53ed26bc63

    • SHA256

      6f3f486d7a8409fc174198818c039152c6268bd9fdf210ee6be1c91bf832b7e9

    • SHA512

      42aeed1d015ab279df3065e04adff8001672a13180f4d73121ace3bc8989783f12c7a5d0b50c684c74fd138fc1b4f451439acd7b6342d4f60c7d3a18034e0988

    • SSDEEP

      3145728:oyKHxXZR5bsPL+buxE4ynkX+kKbtt3V8mIeDLhZ8muXNNE7byK88OmTZbOW/rXi:IP4PAwUnkuk8BNbLIxg7bUQ

    • Renames multiple (125) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Blocklisted process makes network request

    • Modifies file permissions

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Tasks