General

  • Target

    6c827141d04dd86281be55e369b256d2ecbc2071ee257a3f78753729b36bf3be

  • Size

    255KB

  • Sample

    221123-zwn31aha4z

  • MD5

    7d5dc99d15d0b9b3b86665c091fad166

  • SHA1

    c50b78c1dd46fb4a283f1532268390454a7181cf

  • SHA256

    6c827141d04dd86281be55e369b256d2ecbc2071ee257a3f78753729b36bf3be

  • SHA512

    bd0370c6e297c3ed120e1299fb13591b757d563310b6a2a78b97ed4617eebb5c14702a194d76a9840299ca117d1bab6b14ebf44922b776afb567a36ee383d7e3

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ1:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI6

Malware Config

Targets

    • Target

      6c827141d04dd86281be55e369b256d2ecbc2071ee257a3f78753729b36bf3be

    • Size

      255KB

    • MD5

      7d5dc99d15d0b9b3b86665c091fad166

    • SHA1

      c50b78c1dd46fb4a283f1532268390454a7181cf

    • SHA256

      6c827141d04dd86281be55e369b256d2ecbc2071ee257a3f78753729b36bf3be

    • SHA512

      bd0370c6e297c3ed120e1299fb13591b757d563310b6a2a78b97ed4617eebb5c14702a194d76a9840299ca117d1bab6b14ebf44922b776afb567a36ee383d7e3

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ1:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI6

    • 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