General

  • Target

    a016b99a111a3c6cd6cc82c428e6fb3e_JaffaCakes118

  • Size

    10.2MB

  • Sample

    240816-1tf52sshlr

  • MD5

    a016b99a111a3c6cd6cc82c428e6fb3e

  • SHA1

    8593b3649df06a2e1895555d0dbc36ddf0e1676c

  • SHA256

    e5f18dfa2e69ffac3872fb9356e26f06f706b7e922673c30d3d1cadef0ca65e3

  • SHA512

    ff7952a87e79a4568f5bfbf4e1d1cdecf93d3d9c582d117eb682fa1b88a175911a14ed2eaa8f1d6613618b4356b980206e43ce7b54731aa355fa728846b20f2c

  • SSDEEP

    49152:zfnAsGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGn:zfnA

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      a016b99a111a3c6cd6cc82c428e6fb3e_JaffaCakes118

    • Size

      10.2MB

    • MD5

      a016b99a111a3c6cd6cc82c428e6fb3e

    • SHA1

      8593b3649df06a2e1895555d0dbc36ddf0e1676c

    • SHA256

      e5f18dfa2e69ffac3872fb9356e26f06f706b7e922673c30d3d1cadef0ca65e3

    • SHA512

      ff7952a87e79a4568f5bfbf4e1d1cdecf93d3d9c582d117eb682fa1b88a175911a14ed2eaa8f1d6613618b4356b980206e43ce7b54731aa355fa728846b20f2c

    • SSDEEP

      49152:zfnAsGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGn:zfnA

    • 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