General

  • Target

    1171030265f35b3c24b2dac53494b7fb69edd28dff69ea7bf53bead80642d531

  • Size

    255KB

  • Sample

    221123-zygfyaea83

  • MD5

    4ed00b378e088fe0b54b0e2096a6ba92

  • SHA1

    eb908caa6b99f0e7f3bfd8dff93449f489c95a98

  • SHA256

    1171030265f35b3c24b2dac53494b7fb69edd28dff69ea7bf53bead80642d531

  • SHA512

    45ec6f62d8b2e95696df53bf6edc86559b99672d13131064279db0def37c124062fad8bc192569165fe1d49c59df878e541b1918780223d3b8b33da3a002e6b8

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJp:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIo

Malware Config

Targets

    • Target

      1171030265f35b3c24b2dac53494b7fb69edd28dff69ea7bf53bead80642d531

    • Size

      255KB

    • MD5

      4ed00b378e088fe0b54b0e2096a6ba92

    • SHA1

      eb908caa6b99f0e7f3bfd8dff93449f489c95a98

    • SHA256

      1171030265f35b3c24b2dac53494b7fb69edd28dff69ea7bf53bead80642d531

    • SHA512

      45ec6f62d8b2e95696df53bf6edc86559b99672d13131064279db0def37c124062fad8bc192569165fe1d49c59df878e541b1918780223d3b8b33da3a002e6b8

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJp:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIo

    • 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

    • Modifies Installed Components in the registry

    • 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

2
T1060

Winlogon Helper DLL

1
T1004

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

8
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