General

  • Target

    6142c15431b0084cea217fc883421c627497da8ece75c07ede0b4017d2d96ba2

  • Size

    259KB

  • Sample

    221028-kj1hyafah5

  • MD5

    32842b08313ff890c9564566d8d3187d

  • SHA1

    86a38a43c704017452d6f258a6c8372d65b9d186

  • SHA256

    6142c15431b0084cea217fc883421c627497da8ece75c07ede0b4017d2d96ba2

  • SHA512

    571f29852076c86cf6218071f8b9f3f90e8b1b2c4811796dc6873e35718e66dc158b661b24b9f7f5f02cf0d6fe5ad8d054a8bbf6ca403bd20aef613ad9b2e568

  • SSDEEP

    3072:2XONHrELjqTABlvuGY3Z57R/2lpIOvGELdGbYByqF7Zl8tQ5M0VOCYyXV0M/h3:eWHwLjqIvRY/Rm1vCIyq/lPlE8XV0

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      6142c15431b0084cea217fc883421c627497da8ece75c07ede0b4017d2d96ba2

    • Size

      259KB

    • MD5

      32842b08313ff890c9564566d8d3187d

    • SHA1

      86a38a43c704017452d6f258a6c8372d65b9d186

    • SHA256

      6142c15431b0084cea217fc883421c627497da8ece75c07ede0b4017d2d96ba2

    • SHA512

      571f29852076c86cf6218071f8b9f3f90e8b1b2c4811796dc6873e35718e66dc158b661b24b9f7f5f02cf0d6fe5ad8d054a8bbf6ca403bd20aef613ad9b2e568

    • SSDEEP

      3072:2XONHrELjqTABlvuGY3Z57R/2lpIOvGELdGbYByqF7Zl8tQ5M0VOCYyXV0M/h3:eWHwLjqIvRY/Rm1vCIyq/lPlE8XV0

    • 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