General

  • Target

    8397bc1ad6e62e8dc6c71e087dd82ccaa811889baf9f3a317721f396846c75f5

  • Size

    255KB

  • Sample

    221123-zv36jagh91

  • MD5

    f7c1cb4e34afd6d23fce916221b1be97

  • SHA1

    eaa65157ace3e49e458ca6647b7e2ebe3a58510b

  • SHA256

    8397bc1ad6e62e8dc6c71e087dd82ccaa811889baf9f3a317721f396846c75f5

  • SHA512

    39516139df477d30ccb520a27a267fee5157b35197c8fa6fc50df96821e641b9038e996760523c9a4b97b4b6c3f5312eca255da3305e00b92ec3fcee764aae9d

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJz:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIC

Malware Config

Targets

    • Target

      8397bc1ad6e62e8dc6c71e087dd82ccaa811889baf9f3a317721f396846c75f5

    • Size

      255KB

    • MD5

      f7c1cb4e34afd6d23fce916221b1be97

    • SHA1

      eaa65157ace3e49e458ca6647b7e2ebe3a58510b

    • SHA256

      8397bc1ad6e62e8dc6c71e087dd82ccaa811889baf9f3a317721f396846c75f5

    • SHA512

      39516139df477d30ccb520a27a267fee5157b35197c8fa6fc50df96821e641b9038e996760523c9a4b97b4b6c3f5312eca255da3305e00b92ec3fcee764aae9d

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJz:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIC

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Winlogon Helper DLL

1
T1004

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks