General

  • Target

    fccc85e0762350fc26fd50646031b5f6_JaffaCakes118

  • Size

    11.3MB

  • Sample

    240420-pz8lpsha75

  • MD5

    fccc85e0762350fc26fd50646031b5f6

  • SHA1

    9e6636fffc2002b023b246e5c08ff641002ef232

  • SHA256

    f2b1f77c8f3cc3817b73566c28f88827acdb1b48ea8985072817e97b59c5f7ac

  • SHA512

    d4ef35eb8a365f6333565652fd1ddba2d8fd71050cc47860a7eb6ec36eec5a35c9cd9f3a7f48f379b5edbeb9e32883a326267062d67cdb22ec76366d6a319678

  • SSDEEP

    24576:iUqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmG:iF15

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fccc85e0762350fc26fd50646031b5f6_JaffaCakes118

    • Size

      11.3MB

    • MD5

      fccc85e0762350fc26fd50646031b5f6

    • SHA1

      9e6636fffc2002b023b246e5c08ff641002ef232

    • SHA256

      f2b1f77c8f3cc3817b73566c28f88827acdb1b48ea8985072817e97b59c5f7ac

    • SHA512

      d4ef35eb8a365f6333565652fd1ddba2d8fd71050cc47860a7eb6ec36eec5a35c9cd9f3a7f48f379b5edbeb9e32883a326267062d67cdb22ec76366d6a319678

    • SSDEEP

      24576:iUqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmG:iF15

    • 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