General

  • Target

    6d434f757c2657a924aaff4a7d2a0866_JaffaCakes118

  • Size

    512KB

  • Sample

    240524-egh8zscb6t

  • MD5

    6d434f757c2657a924aaff4a7d2a0866

  • SHA1

    93835a6d220122f32b5095397a1efc1aa937c5c8

  • SHA256

    bc893df201e14cf0bfac5c4f21a8815f4591dec24b599ca7e9448d7283be4e18

  • SHA512

    9e43a624152fcba776f111051348eac39de277e3501bc6233352dd09973a6e282b5fa2571fdb1aac7ac95a6839ef72aa04fd721233a7a328c408f3338ae80630

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj61:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5O

Malware Config

Targets

    • Target

      6d434f757c2657a924aaff4a7d2a0866_JaffaCakes118

    • Size

      512KB

    • MD5

      6d434f757c2657a924aaff4a7d2a0866

    • SHA1

      93835a6d220122f32b5095397a1efc1aa937c5c8

    • SHA256

      bc893df201e14cf0bfac5c4f21a8815f4591dec24b599ca7e9448d7283be4e18

    • SHA512

      9e43a624152fcba776f111051348eac39de277e3501bc6233352dd09973a6e282b5fa2571fdb1aac7ac95a6839ef72aa04fd721233a7a328c408f3338ae80630

    • SSDEEP

      6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj61:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5O

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

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

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

7
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks