General

  • Target

    kWxZdhzhxdbryQa.exe

  • Size

    857KB

  • Sample

    200712-cyzxxesvs6

  • MD5

    564298d99ec96cb82b246a8794de9b9b

  • SHA1

    179c18e7891b967f9048e87362e21b26c73dc9d3

  • SHA256

    95e40490a7ab8bc996d2a8a42233563ed067317e7b54a4083808a0d77ee2a5f5

  • SHA512

    b1b012794842ae9cd72aca78679de8bd0b2c60a7cc0b6f0b4f69ca7a9c4b9210c28c4978d21dc33f5fef948f5ed7eb63302c4e0e822802aaac4d5b73d4920425

Malware Config

Targets

    • Target

      kWxZdhzhxdbryQa.exe

    • Size

      857KB

    • MD5

      564298d99ec96cb82b246a8794de9b9b

    • SHA1

      179c18e7891b967f9048e87362e21b26c73dc9d3

    • SHA256

      95e40490a7ab8bc996d2a8a42233563ed067317e7b54a4083808a0d77ee2a5f5

    • SHA512

      b1b012794842ae9cd72aca78679de8bd0b2c60a7cc0b6f0b4f69ca7a9c4b9210c28c4978d21dc33f5fef948f5ed7eb63302c4e0e822802aaac4d5b73d4920425

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Adds Run entry to policy start application

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Adds Run entry to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks