General

  • Target

    0026a8945cef91524dd6cc96a621625d_JaffaCakes118

  • Size

    208KB

  • Sample

    240619-x8b8vsybje

  • MD5

    0026a8945cef91524dd6cc96a621625d

  • SHA1

    2374009a714bcd84451514497e3584a2675a7787

  • SHA256

    487e8eac49a43cd8d8920a42cfa84dff911afc4dfc827ce122321bc4b67af2d8

  • SHA512

    6df237e7b71dc8ccd675d67a8f037231bd14df1b86b2edd18266b54504dc97be87e347fba0c5e55977245b0891141cc2b2c0d9b4f141d4914439302fceb0ffb8

  • SSDEEP

    3072:TKRHfMGtt/EyroaxRIyhMgCSctc40x0CJLORhBYCx8T04cVn:TKRHfMMfrhxRSO40x0CgbBJycVn

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      0026a8945cef91524dd6cc96a621625d_JaffaCakes118

    • Size

      208KB

    • MD5

      0026a8945cef91524dd6cc96a621625d

    • SHA1

      2374009a714bcd84451514497e3584a2675a7787

    • SHA256

      487e8eac49a43cd8d8920a42cfa84dff911afc4dfc827ce122321bc4b67af2d8

    • SHA512

      6df237e7b71dc8ccd675d67a8f037231bd14df1b86b2edd18266b54504dc97be87e347fba0c5e55977245b0891141cc2b2c0d9b4f141d4914439302fceb0ffb8

    • SSDEEP

      3072:TKRHfMGtt/EyroaxRIyhMgCSctc40x0CJLORhBYCx8T04cVn:TKRHfMMfrhxRSO40x0CgbBJycVn

    • 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