General

  • Target

    Patch_MB_5.x.exe

  • Size

    65.3MB

  • Sample

    240521-tzk8mabg9x

  • MD5

    3bf258067434370e929b77ff5d2998b5

  • SHA1

    b467410c5e3cac7d1b8218516afeeac75ef0ac59

  • SHA256

    5c129ece1b7ff897ea7da20d78b3d20c93f2928d722d7f762512aef822a9908d

  • SHA512

    014e0befc8586b87664b3ddbbd46e4cd3019418a1b6baff90bcdb11a5a9e9cd998ac94349484ada248fcc72f02728cb913c2c9ea3dafea5ffdf6b5ee5b370806

  • SSDEEP

    1572864:sbUIwZT5DeBearL8VZ7sspJTTlP2ghxeCweNyWfSX:soIKDeBnLSZPJkgjrI

Malware Config

Targets

    • Target

      Patch_MB_5.x.exe

    • Size

      65.3MB

    • MD5

      3bf258067434370e929b77ff5d2998b5

    • SHA1

      b467410c5e3cac7d1b8218516afeeac75ef0ac59

    • SHA256

      5c129ece1b7ff897ea7da20d78b3d20c93f2928d722d7f762512aef822a9908d

    • SHA512

      014e0befc8586b87664b3ddbbd46e4cd3019418a1b6baff90bcdb11a5a9e9cd998ac94349484ada248fcc72f02728cb913c2c9ea3dafea5ffdf6b5ee5b370806

    • SSDEEP

      1572864:sbUIwZT5DeBearL8VZ7sspJTTlP2ghxeCweNyWfSX:soIKDeBnLSZPJkgjrI

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • 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.

    • Registers COM server for autorun

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

1
T1005

Tasks