General

  • Target

    a4c62aaaf8bef937d5f6753380a008b9_JaffaCakes118

  • Size

    10.4MB

  • Sample

    240818-a91lhswgjh

  • MD5

    a4c62aaaf8bef937d5f6753380a008b9

  • SHA1

    cee80c2d735feb03bd61da2f488dc386894bb1a0

  • SHA256

    f86153d75a3d22cbdc99ec796afaec3a1ce6c64280eeab0a42812445e624416f

  • SHA512

    b71f5deff39b46a6672a5bfab6df0d189ce627301a609c194da4540d7405fdb2644dae8b3a3c22020c5ccebb2b7b35a891bd52928453c27ab0db1f3282e6201f

  • SSDEEP

    12288:w+/49QM1wKw8Xwl9Uxhof+zCTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTD:pRKw5bU9z

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      a4c62aaaf8bef937d5f6753380a008b9_JaffaCakes118

    • Size

      10.4MB

    • MD5

      a4c62aaaf8bef937d5f6753380a008b9

    • SHA1

      cee80c2d735feb03bd61da2f488dc386894bb1a0

    • SHA256

      f86153d75a3d22cbdc99ec796afaec3a1ce6c64280eeab0a42812445e624416f

    • SHA512

      b71f5deff39b46a6672a5bfab6df0d189ce627301a609c194da4540d7405fdb2644dae8b3a3c22020c5ccebb2b7b35a891bd52928453c27ab0db1f3282e6201f

    • SSDEEP

      12288:w+/49QM1wKw8Xwl9Uxhof+zCTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTD:pRKw5bU9z

    • Tofsee

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

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks