General

  • Target

    013dc3972c67585749e962b4caebeaf6e4e9592b3d1027601abe43eb314823be

  • Size

    1.1MB

  • Sample

    220523-zrbl4sgbd2

  • MD5

    49c82d258a5fd1f9c63f429a467bb3b9

  • SHA1

    52716ade1a03abb9896f538ca904f4336259ca06

  • SHA256

    013dc3972c67585749e962b4caebeaf6e4e9592b3d1027601abe43eb314823be

  • SHA512

    18ae3b139170eab0d3b0e5bf3e06e908cfad9cbf2b99798374280f3f8ee363620fa717deed8f8274ad396652e35f7514228f5cce2e301bdcc76114062f0b7167

Malware Config

Targets

    • Target

      013dc3972c67585749e962b4caebeaf6e4e9592b3d1027601abe43eb314823be

    • Size

      1.1MB

    • MD5

      49c82d258a5fd1f9c63f429a467bb3b9

    • SHA1

      52716ade1a03abb9896f538ca904f4336259ca06

    • SHA256

      013dc3972c67585749e962b4caebeaf6e4e9592b3d1027601abe43eb314823be

    • SHA512

      18ae3b139170eab0d3b0e5bf3e06e908cfad9cbf2b99798374280f3f8ee363620fa717deed8f8274ad396652e35f7514228f5cce2e301bdcc76114062f0b7167

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Executes dropped EXE

    • UPX packed file

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks