General

  • Target

    ad6ce312720ef53b946129b5f53195a2a09463997c9d14cdf5a923a1dba58c8e

  • Size

    503KB

  • Sample

    221128-cy6phach4z

  • MD5

    c950b07b8f11084122784bf3f3131b22

  • SHA1

    9f5ca581b07aa06754b71e57d774d5926ca9da6a

  • SHA256

    ad6ce312720ef53b946129b5f53195a2a09463997c9d14cdf5a923a1dba58c8e

  • SHA512

    90fc52a55735bbed05af946fb1e3b939ca8f973b40995c0e906a3223dc8f0568f482495e1c4f48902ad79393cb4b975c8686f0055aff1dc5cdd8923669af93a2

  • SSDEEP

    12288:XQE3iNLHPvJkYAh8vJhQrrwtyR5n8jPkgVyDxWT8EeAFo9K6x4OW13A:XV3eLXRAhu8UUR8jXeAFoMO4P1A

Malware Config

Targets

    • Target

      ad6ce312720ef53b946129b5f53195a2a09463997c9d14cdf5a923a1dba58c8e

    • Size

      503KB

    • MD5

      c950b07b8f11084122784bf3f3131b22

    • SHA1

      9f5ca581b07aa06754b71e57d774d5926ca9da6a

    • SHA256

      ad6ce312720ef53b946129b5f53195a2a09463997c9d14cdf5a923a1dba58c8e

    • SHA512

      90fc52a55735bbed05af946fb1e3b939ca8f973b40995c0e906a3223dc8f0568f482495e1c4f48902ad79393cb4b975c8686f0055aff1dc5cdd8923669af93a2

    • SSDEEP

      12288:XQE3iNLHPvJkYAh8vJhQrrwtyR5n8jPkgVyDxWT8EeAFo9K6x4OW13A:XV3eLXRAhu8UUR8jXeAFoMO4P1A

    • Modifies WinLogon for persistence

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks