General

  • Target

    c07973e7b00ef06147cfdc3fe2bfc49a

  • Size

    98KB

  • Sample

    240311-njt8pshc46

  • MD5

    c07973e7b00ef06147cfdc3fe2bfc49a

  • SHA1

    9eec67cc93ff4be0e2be9bdaaf400dc9f045afa2

  • SHA256

    fd413f6171d383ca0bdf513aa0b79c8315c1e3784b7a61487976f71890b087cc

  • SHA512

    cead10db676a31c5792c63ff50cc270346b673e8cc29ab29aab54c674e388f194016b17c4e039f81f2930321eb3f66184ed02aeb3b14e7024c7576d6d0c30153

  • SSDEEP

    3072:OFykBd/sbm+l8+PpU+q06mnGGik8jwaaHw7Koj4rD8Vm5:Opz/lyU+qrCoU

Malware Config

Targets

    • Target

      c07973e7b00ef06147cfdc3fe2bfc49a

    • Size

      98KB

    • MD5

      c07973e7b00ef06147cfdc3fe2bfc49a

    • SHA1

      9eec67cc93ff4be0e2be9bdaaf400dc9f045afa2

    • SHA256

      fd413f6171d383ca0bdf513aa0b79c8315c1e3784b7a61487976f71890b087cc

    • SHA512

      cead10db676a31c5792c63ff50cc270346b673e8cc29ab29aab54c674e388f194016b17c4e039f81f2930321eb3f66184ed02aeb3b14e7024c7576d6d0c30153

    • SSDEEP

      3072:OFykBd/sbm+l8+PpU+q06mnGGik8jwaaHw7Koj4rD8Vm5:Opz/lyU+qrCoU

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

4
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

2
T1012

System Information Discovery

3
T1082

Tasks