General

  • Target

    db3901e405cfc637b11dbe9eb649640872a097098083ac588a0ccae798cae911

  • Size

    255KB

  • Sample

    221124-nxhrtsbf34

  • MD5

    309d709f1a1eee0b154fb51ea772b259

  • SHA1

    38375897c73f884338454888834e8a8e6b9f7686

  • SHA256

    db3901e405cfc637b11dbe9eb649640872a097098083ac588a0ccae798cae911

  • SHA512

    4bdc54bca6b88543f4cdc24a365ee4fb811af302afd264a66a8d8badd4fa06e6f02e2af5e493471c78911ca2a951a58d1fb49d6e0f92340f75434668a6fac4ab

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJK:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI3

Malware Config

Targets

    • Target

      db3901e405cfc637b11dbe9eb649640872a097098083ac588a0ccae798cae911

    • Size

      255KB

    • MD5

      309d709f1a1eee0b154fb51ea772b259

    • SHA1

      38375897c73f884338454888834e8a8e6b9f7686

    • SHA256

      db3901e405cfc637b11dbe9eb649640872a097098083ac588a0ccae798cae911

    • SHA512

      4bdc54bca6b88543f4cdc24a365ee4fb811af302afd264a66a8d8badd4fa06e6f02e2af5e493471c78911ca2a951a58d1fb49d6e0f92340f75434668a6fac4ab

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJK:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI3

    • 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