General

  • Target
    b2ba880161254c8c2b38a43a0062ac12d7d355243f59df856fd12e53150392fd.bin
  • Size 552KB
  • Sample260703-mtfydsfw2y
  • SHA256 b2ba880161254c8c2b38a43a0062ac12d7d355243f59df856fd12e53150392fd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Technical_Assessment․docx.exe
    • Size 94KB
    • SHA256 bd86dd6fd89de6759bc50e2d8662162422b777555e82243b8285786f5a46e043
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Adds Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Checks computer location settings

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

    • Target
      dxgi.dll
    • Size 46KB
    • SHA256 07a9923ab00d0b1686eb8ea3c8f49851b4e5ddde30fa16de631ce666acddb3bf
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      dxgi2.dll
    • Size 46KB
    • SHA256 5964e5cc5cf63431c280c54b22ff00ebf0c42d2543461f0ff6ebc922a44fc9e2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Checks computer location settings

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

    • Target
      dxgi_orig.dll
    • Size 955KB
    • SHA256 3946469c13bb0efa75a2192ce4593caa09eac688923f548b97ef86978799f222
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      office/Technical_Assessment_b.docx
    • Size 38KB
    • SHA256 c1d53a285ca06a049ba791f9ba5aebc7018b354e6e58f5d46f586161161b22bb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks