General

  • Target

    f3015e7fa8a419f7f1110881d4a15abf_JaffaCakes118

  • Size

    14.8MB

  • Sample

    240416-je699ace29

  • MD5

    f3015e7fa8a419f7f1110881d4a15abf

  • SHA1

    2bb0e90e81ce18596a98bb7f72eaabf63e1147f1

  • SHA256

    c89d2e5ffe20c5e936a9df89dbe29d684442bdb0ec0401fdf7e34e25963866fc

  • SHA512

    ed53c70614f15716e277d984d5d3131af53c407befcd72ad7398b06da3f18af7fd95d58db5eeb9c0cd16a3dc6f8334576c1236f9881738fd0785b9d3337bd06d

  • SSDEEP

    49152:Tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f3015e7fa8a419f7f1110881d4a15abf_JaffaCakes118

    • Size

      14.8MB

    • MD5

      f3015e7fa8a419f7f1110881d4a15abf

    • SHA1

      2bb0e90e81ce18596a98bb7f72eaabf63e1147f1

    • SHA256

      c89d2e5ffe20c5e936a9df89dbe29d684442bdb0ec0401fdf7e34e25963866fc

    • SHA512

      ed53c70614f15716e277d984d5d3131af53c407befcd72ad7398b06da3f18af7fd95d58db5eeb9c0cd16a3dc6f8334576c1236f9881738fd0785b9d3337bd06d

    • SSDEEP

      49152:Tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu:

    • 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 Matrix ATT&CK v13

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks