General

  • Target

    city_racing_FVu1w-1.exe

  • Size

    2.3MB

  • Sample

    210601-say2nb5cf6

  • MD5

    6663fceaf614b17884edeec24fcdfe10

  • SHA1

    e85b3d03ca1ce9baf06d46a247bd4a9c533fe30d

  • SHA256

    67e6ab1068490470d5151016f01d0efa968e8a013e359a2206fc4cc9f5f95473

  • SHA512

    6c612221b1290416b1ecab6a48d2d58772c9b549d57c21bb36d44df9f752d19923fa3807624256c7719debc13ccd4fa8acc516ac8a6e44e47e0278b0e9bff463

Malware Config

Targets

    • Target

      city_racing_FVu1w-1.exe

    • Size

      2.3MB

    • MD5

      6663fceaf614b17884edeec24fcdfe10

    • SHA1

      e85b3d03ca1ce9baf06d46a247bd4a9c533fe30d

    • SHA256

      67e6ab1068490470d5151016f01d0efa968e8a013e359a2206fc4cc9f5f95473

    • SHA512

      6c612221b1290416b1ecab6a48d2d58772c9b549d57c21bb36d44df9f752d19923fa3807624256c7719debc13ccd4fa8acc516ac8a6e44e47e0278b0e9bff463

    • Registers COM server for autorun

    • Creates new service(s)

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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 installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

2
T1060

New Service

1
T1050

Browser Extensions

1
T1176

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks