General

  • Target

    .

  • Size

    146KB

  • Sample

    240407-tjpwwagc4w

  • MD5

    e177aef5601af51baea5ed15bc955858

  • SHA1

    e7944470c3fab9a86b18e19de3411c00082aee29

  • SHA256

    4d9449eee1ab6db3d6913b921615a825075b2a822dcf69b7316f4fe0dc36054d

  • SHA512

    4b2bde438ed8895f725de8a560728f9f336f38cbe57a1cf8dddf628270d7b9d62327f4483e6ffad76e697450c334bfafcf11c533d44147fcc66c650877452f9d

  • SSDEEP

    1536:oskud8LFVMUK4DgnVR4DBllKoVkL30vD9329s4DgHhqiS:jkPLFoVsllXmxWHhqiS

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      .

    • Size

      146KB

    • MD5

      e177aef5601af51baea5ed15bc955858

    • SHA1

      e7944470c3fab9a86b18e19de3411c00082aee29

    • SHA256

      4d9449eee1ab6db3d6913b921615a825075b2a822dcf69b7316f4fe0dc36054d

    • SHA512

      4b2bde438ed8895f725de8a560728f9f336f38cbe57a1cf8dddf628270d7b9d62327f4483e6ffad76e697450c334bfafcf11c533d44147fcc66c650877452f9d

    • SSDEEP

      1536:oskud8LFVMUK4DgnVR4DBllKoVkL30vD9329s4DgHhqiS:jkPLFoVsllXmxWHhqiS

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies AppInit DLL entries

    • Modifies Windows Firewall

    • Sets file execution options in registry

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • UPX packed file

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

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks