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General

  • Target

    e0e24affaba5cb879452bd90e5689284b1eed33dd87dfe8ca145397b9d5bbb30

  • Size

    282KB

  • Sample

    240204-d8nr4sahdk

  • MD5

    bf884222d475c45abe8cd88d39b6f84a

  • SHA1

    3819e4744d82d9dc895c13bdeeabd6c13003fa69

  • SHA256

    e0e24affaba5cb879452bd90e5689284b1eed33dd87dfe8ca145397b9d5bbb30

  • SHA512

    3e7c2d42a82269492e21ee18add80da57943d7a310ad6df453e8a838b52150e6acfc885afc377e417c24ebd0d72bf5c19596c701139ef02748f993fad6d1cb82

  • SSDEEP

    3072:2CxBPmvf4gRns9F1xleC9bynC/Q65W0oBQ5LlxG:txmnL8F1+C9WnCyFE

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      e0e24affaba5cb879452bd90e5689284b1eed33dd87dfe8ca145397b9d5bbb30

    • Size

      282KB

    • MD5

      bf884222d475c45abe8cd88d39b6f84a

    • SHA1

      3819e4744d82d9dc895c13bdeeabd6c13003fa69

    • SHA256

      e0e24affaba5cb879452bd90e5689284b1eed33dd87dfe8ca145397b9d5bbb30

    • SHA512

      3e7c2d42a82269492e21ee18add80da57943d7a310ad6df453e8a838b52150e6acfc885afc377e417c24ebd0d72bf5c19596c701139ef02748f993fad6d1cb82

    • SSDEEP

      3072:2CxBPmvf4gRns9F1xleC9bynC/Q65W0oBQ5LlxG:txmnL8F1+C9WnCyFE

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks