General

  • Target

    OInstall.exe

  • Size

    11.6MB

  • Sample

    230421-zg53zahg93

  • MD5

    405c0627a9dc679297862d62c712b05a

  • SHA1

    66b33f9e5e9b517be3ae85d9a423129f272dc25a

  • SHA256

    698aeb2888d4ed207eefb231937dfe3e9bbf8ceb0db6a961fe9010a2fddb8eb9

  • SHA512

    bca6a39378cddd35e4ebe59c03d4ddb04826d1475d686e3e85350a18f6efc602d93548116f77e38cf3a998459d371e2241edc044836b585d87998b61c98fdf46

  • SSDEEP

    196608:w3mifxMAExNyGUV9KhMqzFdhA1wREOVp5LpL2OcmmQ1L/sJ7GcI37lWhbX/PE56w:w3ffyH4V9KhMqzFdhyZOVp+OKe/+GR7R

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://officecdn.microsoft.com/pr/1d2d2ea6-1680-4c56-ac58-a441c8c24ff9/Office/Data/v32.cab

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://officecdn.microsoft.com/pr/1d2d2ea6-1680-4c56-ac58-a441c8c24ff9/Office/Data/16.0.10398.20000/i640.cab

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://officecdn.microsoft.com/pr/1d2d2ea6-1680-4c56-ac58-a441c8c24ff9/Office/Data/v32.cab

Targets

    • Target

      OInstall.exe

    • Size

      11.6MB

    • MD5

      405c0627a9dc679297862d62c712b05a

    • SHA1

      66b33f9e5e9b517be3ae85d9a423129f272dc25a

    • SHA256

      698aeb2888d4ed207eefb231937dfe3e9bbf8ceb0db6a961fe9010a2fddb8eb9

    • SHA512

      bca6a39378cddd35e4ebe59c03d4ddb04826d1475d686e3e85350a18f6efc602d93548116f77e38cf3a998459d371e2241edc044836b585d87998b61c98fdf46

    • SSDEEP

      196608:w3mifxMAExNyGUV9KhMqzFdhA1wREOVp5LpL2OcmmQ1L/sJ7GcI37lWhbX/PE56w:w3ffyH4V9KhMqzFdhyZOVp+OKe/+GR7R

    Score
    10/10
    • Blocklisted process makes network request

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v6

Tasks