General

  • Target

    JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050

  • Size

    285KB

  • Sample

    241222-h8a88sypgx

  • MD5

    9ef28e78bca5e055f127cc9f27b757ae

  • SHA1

    ba887227e4c8a7330c9d822377476c78524f7e4c

  • SHA256

    a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050

  • SHA512

    ae05655182aca76c16bfb24695e61ca17470f3ab37dc7038a128fdd8db127e1a7973845dc62ed8f1283c63282d2faaab6016a0caa0d075498085fe9ec6a73d20

  • SSDEEP

    6144:LKFbjkk2kvN11uzbgwu6L7ITsqSigaTwVf:gbjRHunnn7s

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050

    • Size

      285KB

    • MD5

      9ef28e78bca5e055f127cc9f27b757ae

    • SHA1

      ba887227e4c8a7330c9d822377476c78524f7e4c

    • SHA256

      a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050

    • SHA512

      ae05655182aca76c16bfb24695e61ca17470f3ab37dc7038a128fdd8db127e1a7973845dc62ed8f1283c63282d2faaab6016a0caa0d075498085fe9ec6a73d20

    • SSDEEP

      6144:LKFbjkk2kvN11uzbgwu6L7ITsqSigaTwVf:gbjRHunnn7s

    • 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