General

  • Target

    f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118

  • Size

    12.2MB

  • Sample

    240416-gp47jacg8v

  • MD5

    f2d6bac2f4208d668b547848b5b846a6

  • SHA1

    1dc64444c82eb91d175bd0490eb5147c959a5dca

  • SHA256

    b2eb1eeaf6d84c8e877b366a85c7834453c04e63c0c027b0e014c62e42b69f07

  • SHA512

    2efb885ca1f37d7789d6545d91ac50102f29179c84fef558e1a8655b50ba8b17eeb6d17019e535b4bed91a9841812c5701f8a6d497a652c2ed00b4506ae9146d

  • SSDEEP

    49152:w7JggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggI:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118

    • Size

      12.2MB

    • MD5

      f2d6bac2f4208d668b547848b5b846a6

    • SHA1

      1dc64444c82eb91d175bd0490eb5147c959a5dca

    • SHA256

      b2eb1eeaf6d84c8e877b366a85c7834453c04e63c0c027b0e014c62e42b69f07

    • SHA512

      2efb885ca1f37d7789d6545d91ac50102f29179c84fef558e1a8655b50ba8b17eeb6d17019e535b4bed91a9841812c5701f8a6d497a652c2ed00b4506ae9146d

    • SSDEEP

      49152:w7JggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggI:

    • 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