General

  • Target

    5f479875969fe0464e825e609f3db2c1b5723d7952247829d1a3027f85ae021e

  • Size

    255KB

  • Sample

    221123-zwtngsdh96

  • MD5

    d87d54f52eb49e3109965b0b921b1d4b

  • SHA1

    96237acc62c67613933af6ebc539d1ae41b7051f

  • SHA256

    5f479875969fe0464e825e609f3db2c1b5723d7952247829d1a3027f85ae021e

  • SHA512

    c93ec62dd9ec32bd583489e7bf4f19b427c5472c1c4fe0c8cf36c1c0ce714f0c843d77ec7aec9b1bc83f0a025dcd609909846c0eb210e812abcd003a29b439c6

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJO:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIN

Malware Config

Targets

    • Target

      5f479875969fe0464e825e609f3db2c1b5723d7952247829d1a3027f85ae021e

    • Size

      255KB

    • MD5

      d87d54f52eb49e3109965b0b921b1d4b

    • SHA1

      96237acc62c67613933af6ebc539d1ae41b7051f

    • SHA256

      5f479875969fe0464e825e609f3db2c1b5723d7952247829d1a3027f85ae021e

    • SHA512

      c93ec62dd9ec32bd583489e7bf4f19b427c5472c1c4fe0c8cf36c1c0ce714f0c843d77ec7aec9b1bc83f0a025dcd609909846c0eb210e812abcd003a29b439c6

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJO:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIN

    • 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