General

  • Target

    82e50a8f03b010a3a1e65111d9150eeb72ff9147a05170c01c1bdccf98b1c8c1

  • Size

    255KB

  • Sample

    221123-zv5pcsha2t

  • MD5

    a4091b61aa64eb56890e71daf501a989

  • SHA1

    91089db448c09c4b8c0b9f00e9ad2058144535fe

  • SHA256

    82e50a8f03b010a3a1e65111d9150eeb72ff9147a05170c01c1bdccf98b1c8c1

  • SHA512

    e42de641da7fdf6a5c928132fa939e59974f37603d134565aefdee5518850a1e4ed26c755fe1b16a98808bf5da91e26029cf0eb41acbf1b89dba167e8204b6c4

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJv:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIM

Malware Config

Targets

    • Target

      82e50a8f03b010a3a1e65111d9150eeb72ff9147a05170c01c1bdccf98b1c8c1

    • Size

      255KB

    • MD5

      a4091b61aa64eb56890e71daf501a989

    • SHA1

      91089db448c09c4b8c0b9f00e9ad2058144535fe

    • SHA256

      82e50a8f03b010a3a1e65111d9150eeb72ff9147a05170c01c1bdccf98b1c8c1

    • SHA512

      e42de641da7fdf6a5c928132fa939e59974f37603d134565aefdee5518850a1e4ed26c755fe1b16a98808bf5da91e26029cf0eb41acbf1b89dba167e8204b6c4

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJv:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIM

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • 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 v6

Persistence

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Winlogon Helper DLL

1
T1004

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks