General

  • Target

    77242b8158808741ea293e751015d453

  • Size

    14.5MB

  • Sample

    240126-mqt1vadagn

  • MD5

    77242b8158808741ea293e751015d453

  • SHA1

    1be7816cfd9e7160f55d12b75eb839bd350e2b14

  • SHA256

    c7f93d6fd68c4a3cb9a28acdc9e98521f105fc44d3b55707f9afac835cbd98ae

  • SHA512

    3b3bfe1e2187398a711213de49015fa0deb01dffc041c4060c52712db1c62ca3dd3740f9ae973bb171d16beb71efb4d84f7961f36eb9860659480264eab0ee17

  • SSDEEP

    24576:glxdvCcpOKCtBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:glzOR

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      77242b8158808741ea293e751015d453

    • Size

      14.5MB

    • MD5

      77242b8158808741ea293e751015d453

    • SHA1

      1be7816cfd9e7160f55d12b75eb839bd350e2b14

    • SHA256

      c7f93d6fd68c4a3cb9a28acdc9e98521f105fc44d3b55707f9afac835cbd98ae

    • SHA512

      3b3bfe1e2187398a711213de49015fa0deb01dffc041c4060c52712db1c62ca3dd3740f9ae973bb171d16beb71efb4d84f7961f36eb9860659480264eab0ee17

    • SSDEEP

      24576:glxdvCcpOKCtBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:glzOR

    • 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