General

  • Target

    7c79ba0b8b6b54564071c59b31af97f878a4729f72309d1ec971c2c5dbb8d039

  • Size

    255KB

  • Sample

    221123-zwbgxaha3w

  • MD5

    95e254528b785a7a6fd2ca0ffd60c264

  • SHA1

    677667fcdc9827c38eb5c1567b782c9154f5adae

  • SHA256

    7c79ba0b8b6b54564071c59b31af97f878a4729f72309d1ec971c2c5dbb8d039

  • SHA512

    0ef9986794a52905dbc07a1a7f6f426de15e506956d81298e94002aa1a8b80edb0a75469318c1ed4b10dc29e715c65e2fc68c122c012a6fa90248c824648b4ec

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ+:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIt

Malware Config

Targets

    • Target

      7c79ba0b8b6b54564071c59b31af97f878a4729f72309d1ec971c2c5dbb8d039

    • Size

      255KB

    • MD5

      95e254528b785a7a6fd2ca0ffd60c264

    • SHA1

      677667fcdc9827c38eb5c1567b782c9154f5adae

    • SHA256

      7c79ba0b8b6b54564071c59b31af97f878a4729f72309d1ec971c2c5dbb8d039

    • SHA512

      0ef9986794a52905dbc07a1a7f6f426de15e506956d81298e94002aa1a8b80edb0a75469318c1ed4b10dc29e715c65e2fc68c122c012a6fa90248c824648b4ec

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ+:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIt

    • 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