General

  • Target

    2eace38cef7c9a579b7f79251c3ae26ee3da290c7b90f0f7b6682136407dfca9

  • Size

    196KB

  • Sample

    220707-eejrqseha8

  • MD5

    1ba9fd2b8039378fd9a5e38d751abb72

  • SHA1

    c92e8099ec14f07854f69484bb7a9916d7884198

  • SHA256

    2eace38cef7c9a579b7f79251c3ae26ee3da290c7b90f0f7b6682136407dfca9

  • SHA512

    eb620ffde4784863ef8ab764629ac0e0f8597ce5eaef00ffb8a35496e1e805ce14952d9fa3194ffeec0eb2cd909dcee7dd057c7778bdf7c3d2b02e2b718bbebc

Malware Config

Targets

    • Target

      2eace38cef7c9a579b7f79251c3ae26ee3da290c7b90f0f7b6682136407dfca9

    • Size

      196KB

    • MD5

      1ba9fd2b8039378fd9a5e38d751abb72

    • SHA1

      c92e8099ec14f07854f69484bb7a9916d7884198

    • SHA256

      2eace38cef7c9a579b7f79251c3ae26ee3da290c7b90f0f7b6682136407dfca9

    • SHA512

      eb620ffde4784863ef8ab764629ac0e0f8597ce5eaef00ffb8a35496e1e805ce14952d9fa3194ffeec0eb2cd909dcee7dd057c7778bdf7c3d2b02e2b718bbebc

    • 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