General

  • Target

    1770be402aeeb5bf34fba929a1771f2b6a79b99a6e1bbaefc7d80117bf07e8ba

  • Size

    196KB

  • Sample

    220707-eddjbsegg8

  • MD5

    92d9f22f432500d9bf0d162ce5953b30

  • SHA1

    99aadb6e76729513bbfbd4dd3d19b12653f9ae10

  • SHA256

    1770be402aeeb5bf34fba929a1771f2b6a79b99a6e1bbaefc7d80117bf07e8ba

  • SHA512

    cd1c81861d2d97bfa49af1bf1dbb2a20121bcf6ce44d9777207b77e88362fb14c151fac87902c6f6f6ce0d8c347f0ccccfe4fad05b69db6c3b0d86930dcd1901

Malware Config

Targets

    • Target

      1770be402aeeb5bf34fba929a1771f2b6a79b99a6e1bbaefc7d80117bf07e8ba

    • Size

      196KB

    • MD5

      92d9f22f432500d9bf0d162ce5953b30

    • SHA1

      99aadb6e76729513bbfbd4dd3d19b12653f9ae10

    • SHA256

      1770be402aeeb5bf34fba929a1771f2b6a79b99a6e1bbaefc7d80117bf07e8ba

    • SHA512

      cd1c81861d2d97bfa49af1bf1dbb2a20121bcf6ce44d9777207b77e88362fb14c151fac87902c6f6f6ce0d8c347f0ccccfe4fad05b69db6c3b0d86930dcd1901

    • Modifies WinLogon for persistence

    • Modifies system executable filetype association

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Disables RegEdit via registry modification

    • Disables use of System Restore points

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • 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

1
T1060

Defense Evasion

Modify Registry

7
T1112

Hidden Files and Directories

2
T1158

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Impact

Inhibit System Recovery

1
T1490

Tasks