General

  • Target

    48bd8b6a659c64b26dec0026b6d5d46f9590074c2c51cb93ec858a99800e065a

  • Size

    287KB

  • Sample

    220614-pqhzpadhdp

  • MD5

    47951a35c71583d26389bc30e527a4fc

  • SHA1

    e5f4af1750f6a7b9d483daeebb7f9a5422fcaf68

  • SHA256

    48bd8b6a659c64b26dec0026b6d5d46f9590074c2c51cb93ec858a99800e065a

  • SHA512

    c3dc8236e8283b0a8a053ef05489706327480c51b7604d7783116e4806db7fa3f73d23f920845c162e767649dfe6fda65f9f7fcb0389c1933da9f1ab72f42e87

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      48bd8b6a659c64b26dec0026b6d5d46f9590074c2c51cb93ec858a99800e065a

    • Size

      287KB

    • MD5

      47951a35c71583d26389bc30e527a4fc

    • SHA1

      e5f4af1750f6a7b9d483daeebb7f9a5422fcaf68

    • SHA256

      48bd8b6a659c64b26dec0026b6d5d46f9590074c2c51cb93ec858a99800e065a

    • SHA512

      c3dc8236e8283b0a8a053ef05489706327480c51b7604d7783116e4806db7fa3f73d23f920845c162e767649dfe6fda65f9f7fcb0389c1933da9f1ab72f42e87

    • 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 Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Tasks