General

  • Target

    64dc0d7537d8315912d47e8f56452864575b4281eaaaf49b98dba191f6252903

  • Size

    205KB

  • Sample

    221123-mq78gaeg69

  • MD5

    f5d8ae8917562dbc48142b09ef97bf94

  • SHA1

    d134bd4ffa247fd2886b4ca6291d857d4e052c0a

  • SHA256

    64dc0d7537d8315912d47e8f56452864575b4281eaaaf49b98dba191f6252903

  • SHA512

    babe2fb9421e66385c3d52ee00d9fffa2dd7663b2a1701fd24e041da5a763ad550ba51c7d49d4a35c0c1146efbe9822202cb3bde338c5ba3bee3c2908622391f

  • SSDEEP

    3072:qqhMPssRhlARSOsdwD/98out3SDADeak7dJHB/AKG:qqhMPssRARoiSoS3SsQLH5AK

Malware Config

Targets

    • Target

      64dc0d7537d8315912d47e8f56452864575b4281eaaaf49b98dba191f6252903

    • Size

      205KB

    • MD5

      f5d8ae8917562dbc48142b09ef97bf94

    • SHA1

      d134bd4ffa247fd2886b4ca6291d857d4e052c0a

    • SHA256

      64dc0d7537d8315912d47e8f56452864575b4281eaaaf49b98dba191f6252903

    • SHA512

      babe2fb9421e66385c3d52ee00d9fffa2dd7663b2a1701fd24e041da5a763ad550ba51c7d49d4a35c0c1146efbe9822202cb3bde338c5ba3bee3c2908622391f

    • SSDEEP

      3072:qqhMPssRhlARSOsdwD/98out3SDADeak7dJHB/AKG:qqhMPssRARoiSoS3SsQLH5AK

    • Modifies WinLogon for persistence

    • Modifies system executable filetype association

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Disables RegEdit via registry modification

    • Disables use of System Restore points

    • Executes dropped EXE

    • Sets file execution options in registry

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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 v6

Persistence

Winlogon Helper DLL

1
T1004

Change Default File Association

1
T1042

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

9
T1112

Hidden Files and Directories

2
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Impact

Inhibit System Recovery

1
T1490

Tasks