General

  • Target

    7d95005b416284774280fb10b71980a9

  • Size

    98KB

  • Sample

    240128-v3x72agbem

  • MD5

    7d95005b416284774280fb10b71980a9

  • SHA1

    4a667c24643ef84dcb0e2ffe9c0a34a49e10000e

  • SHA256

    2963385d972274b4fd45a811d3a6cd3c8439dc4030461d1857c8c0ed020593aa

  • SHA512

    d201c4bed3a4cb0834f7eff4773841836daaed89d72bb26082fbe58036b9299febcef5a4be8700bed3b416f83773dda2b20845c509d094e23462abf94349b53f

  • SSDEEP

    3072:k9ndaWQypZd0AoBeiyruUWsakGik8jwaaHw7Koj4rD8R7:4nfpD0iiyrvWsalW

Malware Config

Targets

    • Target

      7d95005b416284774280fb10b71980a9

    • Size

      98KB

    • MD5

      7d95005b416284774280fb10b71980a9

    • SHA1

      4a667c24643ef84dcb0e2ffe9c0a34a49e10000e

    • SHA256

      2963385d972274b4fd45a811d3a6cd3c8439dc4030461d1857c8c0ed020593aa

    • SHA512

      d201c4bed3a4cb0834f7eff4773841836daaed89d72bb26082fbe58036b9299febcef5a4be8700bed3b416f83773dda2b20845c509d094e23462abf94349b53f

    • SSDEEP

      3072:k9ndaWQypZd0AoBeiyruUWsakGik8jwaaHw7Koj4rD8R7:4nfpD0iiyrvWsalW

    • Modifies WinLogon for persistence

    • Ramnit

      Ramnit is a versatile family that holds viruses, worms, and Trojans.

    • UAC bypass

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Defense Evasion

Modify Registry

3
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks