General

  • Target

    JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b

  • Size

    272KB

  • Sample

    241229-f34bqatndw

  • MD5

    4520ebb24e27fa71848c62c3a03eb5f3

  • SHA1

    c1cb8e3ad5b5723eb7c04cc9d7aebc142de475af

  • SHA256

    6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b

  • SHA512

    56ceac8dcfaff0ce532a3317a062003c4dc33b4f3b733b7abb6c86bb9bfc16cae9e58672d7fcf9de929c84ffe79426078150f83be7d6321c8d0a8063eea5f0f8

  • SSDEEP

    6144:GsJ+2+nV2Lv+yhKk80Uwb31Ct6KROhxxpeTr/ekI:VsVncCyhKk80Uea6/zxp6L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b

    • Size

      272KB

    • MD5

      4520ebb24e27fa71848c62c3a03eb5f3

    • SHA1

      c1cb8e3ad5b5723eb7c04cc9d7aebc142de475af

    • SHA256

      6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b

    • SHA512

      56ceac8dcfaff0ce532a3317a062003c4dc33b4f3b733b7abb6c86bb9bfc16cae9e58672d7fcf9de929c84ffe79426078150f83be7d6321c8d0a8063eea5f0f8

    • SSDEEP

      6144:GsJ+2+nV2Lv+yhKk80Uwb31Ct6KROhxxpeTr/ekI:VsVncCyhKk80Uea6/zxp6L

    • 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