General

  • Target

    JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7

  • Size

    343KB

  • Sample

    241223-zy2rwa1pdj

  • MD5

    0c4c991cfff91ea0d5a0d965615045f1

  • SHA1

    6b2eaec01ddd2e6fabb0fb0a0f9b5a4ea9eb61f0

  • SHA256

    49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7

  • SHA512

    86051fe550e600e349cd5caedca0656cf9133650cd66e5e2e3d36a7efc2d47e11c2bb3083322cd12a152f3aec548d0fa0bd2377bdeaea93c3a291718bc176ed9

  • SSDEEP

    6144:i1wGn2+VYOw4WE0NpkAk6o4odsHvNU1grZ4BwY+q:iSG2+o57NKAk6o4odsHvNB4Btb

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7

    • Size

      343KB

    • MD5

      0c4c991cfff91ea0d5a0d965615045f1

    • SHA1

      6b2eaec01ddd2e6fabb0fb0a0f9b5a4ea9eb61f0

    • SHA256

      49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7

    • SHA512

      86051fe550e600e349cd5caedca0656cf9133650cd66e5e2e3d36a7efc2d47e11c2bb3083322cd12a152f3aec548d0fa0bd2377bdeaea93c3a291718bc176ed9

    • SSDEEP

      6144:i1wGn2+VYOw4WE0NpkAk6o4odsHvNU1grZ4BwY+q:iSG2+o57NKAk6o4odsHvNB4Btb

    • Tofsee

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

    • Tofsee family

    • 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