General

  • Target

    07f0c73df370a4b2ffdb5a8dd19877e1_JaffaCakes118

  • Size

    213KB

  • Sample

    240620-vdsagssbnq

  • MD5

    07f0c73df370a4b2ffdb5a8dd19877e1

  • SHA1

    41058ca9ff2547d271e142e0fed1ca6f15d5228d

  • SHA256

    fc57a1f47544e1f210f9fc2e2696ab10cf314342361217016a8fdd3be13ff370

  • SHA512

    1a941bf8f694db2f2967eccec83228e2a0f65ebebbc6594e6c51f45c8cb244663bd03b1c996adefea1bf1f5bc8ccc4052548cc39e34bfb0021e0e5fca057d673

  • SSDEEP

    3072:DWtDChHWBzQHLiudSxoTBtAyK2qD6WWOs2Ktubw+IKKywXS0KZFWnfUrR:DADxzQCm0yVqG5O3Dw+IKubUvrR

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      07f0c73df370a4b2ffdb5a8dd19877e1_JaffaCakes118

    • Size

      213KB

    • MD5

      07f0c73df370a4b2ffdb5a8dd19877e1

    • SHA1

      41058ca9ff2547d271e142e0fed1ca6f15d5228d

    • SHA256

      fc57a1f47544e1f210f9fc2e2696ab10cf314342361217016a8fdd3be13ff370

    • SHA512

      1a941bf8f694db2f2967eccec83228e2a0f65ebebbc6594e6c51f45c8cb244663bd03b1c996adefea1bf1f5bc8ccc4052548cc39e34bfb0021e0e5fca057d673

    • SSDEEP

      3072:DWtDChHWBzQHLiudSxoTBtAyK2qD6WWOs2Ktubw+IKKywXS0KZFWnfUrR:DADxzQCm0yVqG5O3Dw+IKubUvrR

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies firewall policy service

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks