General

  • Target

    JaffaCakes118_92a985d159dbf16e9509eace5334644732a48f00ada8e426a7728e9e809a7c67

  • Size

    289KB

  • Sample

    241229-kf2xlaxnbs

  • MD5

    5f83cbb604e017a7ec6e46776e538e24

  • SHA1

    3219e6f27f3cebd7d499e13cf9e1146c186333cf

  • SHA256

    92a985d159dbf16e9509eace5334644732a48f00ada8e426a7728e9e809a7c67

  • SHA512

    97843c593e77064fb1a764bdbadf92742c473f5a20b5ae5024be7bf65516f0cc0c8d558cda57032b00bb634189314f0322a340407eaf19ced5da680cafba2afb

  • SSDEEP

    6144:2lfibHny83UbS4sqvfBxBbhAXY0NMHUBL5:2hqUbS4sqvlKXlYG9

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_92a985d159dbf16e9509eace5334644732a48f00ada8e426a7728e9e809a7c67

    • Size

      289KB

    • MD5

      5f83cbb604e017a7ec6e46776e538e24

    • SHA1

      3219e6f27f3cebd7d499e13cf9e1146c186333cf

    • SHA256

      92a985d159dbf16e9509eace5334644732a48f00ada8e426a7728e9e809a7c67

    • SHA512

      97843c593e77064fb1a764bdbadf92742c473f5a20b5ae5024be7bf65516f0cc0c8d558cda57032b00bb634189314f0322a340407eaf19ced5da680cafba2afb

    • SSDEEP

      6144:2lfibHny83UbS4sqvfBxBbhAXY0NMHUBL5:2hqUbS4sqvlKXlYG9

    • 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