General

  • Target

    b1b12061853b367d9861af573b136a0d43f71de83f7c90f2f7f8b8ea028dc54a

  • Size

    255KB

  • Sample

    221124-n4nawsca87

  • MD5

    6f438af8b6dc45926ea51be69d9cceba

  • SHA1

    b4c4e5e1a12a6f5aa2443850ea0079334e2ff094

  • SHA256

    b1b12061853b367d9861af573b136a0d43f71de83f7c90f2f7f8b8ea028dc54a

  • SHA512

    edfc91930d1364763c42c95f054181feec2f65b6b707b2961faaf513b270b287991360977d332e1bf4607676c2c02f16fe6ef1210442fa20a90aac35da23fc66

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ8:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIp

Malware Config

Targets

    • Target

      b1b12061853b367d9861af573b136a0d43f71de83f7c90f2f7f8b8ea028dc54a

    • Size

      255KB

    • MD5

      6f438af8b6dc45926ea51be69d9cceba

    • SHA1

      b4c4e5e1a12a6f5aa2443850ea0079334e2ff094

    • SHA256

      b1b12061853b367d9861af573b136a0d43f71de83f7c90f2f7f8b8ea028dc54a

    • SHA512

      edfc91930d1364763c42c95f054181feec2f65b6b707b2961faaf513b270b287991360977d332e1bf4607676c2c02f16fe6ef1210442fa20a90aac35da23fc66

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ8:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIp

    • 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

    • Modifies Installed Components in the registry

    • 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

2
T1060

Winlogon Helper DLL

1
T1004

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

8
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