General

  • Target

    28770d98ca127719f45ed63422991e612d180b8374bd612bbb02f09403030c28

  • Size

    256KB

  • Sample

    221027-zmywvadde7

  • MD5

    5e0bf7b28bebe18defb564e7185829b5

  • SHA1

    1893b3aa33453db42a1d05157168c715162644b3

  • SHA256

    28770d98ca127719f45ed63422991e612d180b8374bd612bbb02f09403030c28

  • SHA512

    5c17c60e495a5d78556b6c89a90147b0566b54c1a80d9135ee3875eb8580d36a97752edc2479d227c620a8838a8e65bd49e1e9bf637d3be7d3a4db8e9ec191eb

  • SSDEEP

    3072:5DXOwqzZxFQanq5rjP8TrEGGMpuQwUcGosWxn5lIuK14XqkEmk/M0Kv:J3qlKjPCTamTossRKwNJ0

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      28770d98ca127719f45ed63422991e612d180b8374bd612bbb02f09403030c28

    • Size

      256KB

    • MD5

      5e0bf7b28bebe18defb564e7185829b5

    • SHA1

      1893b3aa33453db42a1d05157168c715162644b3

    • SHA256

      28770d98ca127719f45ed63422991e612d180b8374bd612bbb02f09403030c28

    • SHA512

      5c17c60e495a5d78556b6c89a90147b0566b54c1a80d9135ee3875eb8580d36a97752edc2479d227c620a8838a8e65bd49e1e9bf637d3be7d3a4db8e9ec191eb

    • SSDEEP

      3072:5DXOwqzZxFQanq5rjP8TrEGGMpuQwUcGosWxn5lIuK14XqkEmk/M0Kv:J3qlKjPCTamTossRKwNJ0

    • 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