General

  • Target

    f4c378949afa958856f321735ede56de_JaffaCakes118

  • Size

    11.9MB

  • Sample

    240417-b1rspabe8w

  • MD5

    f4c378949afa958856f321735ede56de

  • SHA1

    81209c831cf11aa10f4048958fd87116de600d04

  • SHA256

    4e47ac18a1f44e3c08fa78a965b6d382af21f02c40c068be242664a591319049

  • SHA512

    f1e231061243fb4d5bafddcbe16cbb17df834a608564ea77e33eb34b0630a730eb57c2d5f0cb80e882838f00702e9d169372b58ae5fd8b280c01d6fe65e01a10

  • SSDEEP

    196608:JuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuW:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f4c378949afa958856f321735ede56de_JaffaCakes118

    • Size

      11.9MB

    • MD5

      f4c378949afa958856f321735ede56de

    • SHA1

      81209c831cf11aa10f4048958fd87116de600d04

    • SHA256

      4e47ac18a1f44e3c08fa78a965b6d382af21f02c40c068be242664a591319049

    • SHA512

      f1e231061243fb4d5bafddcbe16cbb17df834a608564ea77e33eb34b0630a730eb57c2d5f0cb80e882838f00702e9d169372b58ae5fd8b280c01d6fe65e01a10

    • SSDEEP

      196608:JuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuW:

    • 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