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General

  • Target

    Mapper.exe

  • Size

    1.7MB

  • Sample

    240720-2ajbqszcll

  • MD5

    5d0b35b51c1b7f9712b36edb255e9072

  • SHA1

    aff304e6112c109530642645cd6c3538d7ffc7f4

  • SHA256

    6114bee7621c4e309db46f13d535f874e27408632b690139882974eeaf1fff7a

  • SHA512

    5515c662d9567fe97b355586dabc7ef617fc2d9a02fbe717cd3822e83e58aef139e9e343f2ad9c48ec1461dd460dde805a3b93383322929f7bba868f8496495b

  • SSDEEP

    24576:zaD8LXqqmV6WHwoo/vxsVCNX1zEOUaiesAVAdX7z5tdXegUbyGdSzVw8A/Vi:pWJvHw3XxkCPzNzsASdXvUg5Gd/

Malware Config

Targets

    • Target

      Mapper.exe

    • Size

      1.7MB

    • MD5

      5d0b35b51c1b7f9712b36edb255e9072

    • SHA1

      aff304e6112c109530642645cd6c3538d7ffc7f4

    • SHA256

      6114bee7621c4e309db46f13d535f874e27408632b690139882974eeaf1fff7a

    • SHA512

      5515c662d9567fe97b355586dabc7ef617fc2d9a02fbe717cd3822e83e58aef139e9e343f2ad9c48ec1461dd460dde805a3b93383322929f7bba868f8496495b

    • SSDEEP

      24576:zaD8LXqqmV6WHwoo/vxsVCNX1zEOUaiesAVAdX7z5tdXegUbyGdSzVw8A/Vi:pWJvHw3XxkCPzNzsASdXvUg5Gd/

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks