General

  • Target

    fa7c6161052a1f948ae77285e7bf45ed_JaffaCakes118

  • Size

    12.0MB

  • Sample

    240419-rl82esee32

  • MD5

    fa7c6161052a1f948ae77285e7bf45ed

  • SHA1

    366b0ba9f8fb650ff2b6e69b288037c4d2d12118

  • SHA256

    cda2e2bc07f9772d45f63b77f0b0d1754b8a10fa1420b68afb10a8b71f9b8e50

  • SHA512

    66c062616dd3df436c4829ad48771b782c688066dcee9c73446d1e326efe13d4da7a253a01b8904bfd6b2fc08a782b607b843542a91175df5ec68e9b51df9ae8

  • SSDEEP

    196608:4Lad4qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqn:4L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fa7c6161052a1f948ae77285e7bf45ed_JaffaCakes118

    • Size

      12.0MB

    • MD5

      fa7c6161052a1f948ae77285e7bf45ed

    • SHA1

      366b0ba9f8fb650ff2b6e69b288037c4d2d12118

    • SHA256

      cda2e2bc07f9772d45f63b77f0b0d1754b8a10fa1420b68afb10a8b71f9b8e50

    • SHA512

      66c062616dd3df436c4829ad48771b782c688066dcee9c73446d1e326efe13d4da7a253a01b8904bfd6b2fc08a782b607b843542a91175df5ec68e9b51df9ae8

    • SSDEEP

      196608:4Lad4qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqn:4L

    • 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