General

  • Target

    UQD_211116.exe

  • Size

    11.7MB

  • Sample

    220519-csptsshgf2

  • MD5

    4dadc2245fc209e51d9c22753f5a8eec

  • SHA1

    2e32247294f43fac2edcdd1d044c70b398e03905

  • SHA256

    488bf0c238bc463b44031393d299f8959b277b45ac18a09d82f5d1557223ef70

  • SHA512

    4d32dbb195618a4bc0bbeddea954d29ddbc8f1995fe090e54f9a0e41ca2bbc0cfdf8bc9cedb19436e936c59b8de162ed7d41c1537062106b48bf163faf190a14

Malware Config

Targets

    • Target

      UQD_211116.exe

    • Size

      11.7MB

    • MD5

      4dadc2245fc209e51d9c22753f5a8eec

    • SHA1

      2e32247294f43fac2edcdd1d044c70b398e03905

    • SHA256

      488bf0c238bc463b44031393d299f8959b277b45ac18a09d82f5d1557223ef70

    • SHA512

      4d32dbb195618a4bc0bbeddea954d29ddbc8f1995fe090e54f9a0e41ca2bbc0cfdf8bc9cedb19436e936c59b8de162ed7d41c1537062106b48bf163faf190a14

    • UAC bypass

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

6
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Tasks