General

  • Target

    751.exe

  • Size

    977KB

  • Sample

    200531-kc3v7cdsv6

  • MD5

    e9232ce72a3cf88a3d1442248275c797

  • SHA1

    80ccfcbb63dc194ddf3762aaff2b8c8a6b49fc94

  • SHA256

    c991fe8c6d840624fbf7b46c88514ff6324fea56997929b0a81d97b0f6eb7f88

  • SHA512

    ef8de903636d21bf80e0348c5a703e8c38325fa05fa23851e34a2608cb4d7ad927963d51f09adc5ec9e5c86140f9a4bdb5473181fbdc675510b3133384914feb

Malware Config

Targets

    • Target

      751.exe

    • Size

      977KB

    • MD5

      e9232ce72a3cf88a3d1442248275c797

    • SHA1

      80ccfcbb63dc194ddf3762aaff2b8c8a6b49fc94

    • SHA256

      c991fe8c6d840624fbf7b46c88514ff6324fea56997929b0a81d97b0f6eb7f88

    • SHA512

      ef8de903636d21bf80e0348c5a703e8c38325fa05fa23851e34a2608cb4d7ad927963d51f09adc5ec9e5c86140f9a4bdb5473181fbdc675510b3133384914feb

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • 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 for installed software on the system

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Modifies system certificate store

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Tasks