General

  • Target

    f869bf89806a1807f9f293f862ce247d_JaffaCakes118

  • Size

    13.7MB

  • Sample

    240418-vnbqgsab88

  • MD5

    f869bf89806a1807f9f293f862ce247d

  • SHA1

    ad7e03dcfba00ae87b7ac0917ce4fb71692d6908

  • SHA256

    2f05f2d8f91e7938437ff58cfa4aecae41d17e18d1abc37a2f70f24227b44230

  • SHA512

    5b0b072562e5c2970714d9efefaf022b79f978bc5241e1d0d1b83e66759ec4a75f7fec1e200601caa7af9f0b9cb09951af62b44f788f9bac9ffeeb75275af566

  • SSDEEP

    49152:wqwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwH:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f869bf89806a1807f9f293f862ce247d_JaffaCakes118

    • Size

      13.7MB

    • MD5

      f869bf89806a1807f9f293f862ce247d

    • SHA1

      ad7e03dcfba00ae87b7ac0917ce4fb71692d6908

    • SHA256

      2f05f2d8f91e7938437ff58cfa4aecae41d17e18d1abc37a2f70f24227b44230

    • SHA512

      5b0b072562e5c2970714d9efefaf022b79f978bc5241e1d0d1b83e66759ec4a75f7fec1e200601caa7af9f0b9cb09951af62b44f788f9bac9ffeeb75275af566

    • SSDEEP

      49152:wqwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwH:

    • 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