General

  • Target

    114c5764924105258f8ee907c588e82e283ebf408e641b26677d5e3e849cb736

  • Size

    205KB

  • Sample

    220909-k4msksdhal

  • MD5

    930e589b1911be39446465e243d11caf

  • SHA1

    8929f4ab0558738d813814eff45722044a823530

  • SHA256

    114c5764924105258f8ee907c588e82e283ebf408e641b26677d5e3e849cb736

  • SHA512

    a14397d74de57d9886b10e9b11ee7a91aa1e5324b474bb282f83064e8067f8b70dff52bee6e58c802ec84f07b01a7f51b345c52766ced4e0568da5c32859a27b

  • SSDEEP

    3072:be8VoSgBiRt9565hIy4wz0JxC+4Vn2F0sxA7ueb0V+:t+ir9Lq0x82FnxGueQ

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      114c5764924105258f8ee907c588e82e283ebf408e641b26677d5e3e849cb736

    • Size

      205KB

    • MD5

      930e589b1911be39446465e243d11caf

    • SHA1

      8929f4ab0558738d813814eff45722044a823530

    • SHA256

      114c5764924105258f8ee907c588e82e283ebf408e641b26677d5e3e849cb736

    • SHA512

      a14397d74de57d9886b10e9b11ee7a91aa1e5324b474bb282f83064e8067f8b70dff52bee6e58c802ec84f07b01a7f51b345c52766ced4e0568da5c32859a27b

    • SSDEEP

      3072:be8VoSgBiRt9565hIy4wz0JxC+4Vn2F0sxA7ueb0V+:t+ir9Lq0x82FnxGueQ

    • 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)

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks