General

  • Target

    66271b42deb125207e99f414b2f573f4a94f394cf70b02e7650c1a3359efb427

  • Size

    255KB

  • Sample

    221123-zwqltsdh93

  • MD5

    1fa7e55e39dd7012d1666556f8012011

  • SHA1

    2d9b7187430db4f4651b28d5ece54079a28beef9

  • SHA256

    66271b42deb125207e99f414b2f573f4a94f394cf70b02e7650c1a3359efb427

  • SHA512

    1251ffbdd6d519fbd9fbd34affecb86f641758365c308a0910fc2e9dbe5241b6bba78c08b8addcfa2843aaf583cb6722cc5bbf1162d457a2c1023474cc061f53

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJk:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI3

Malware Config

Targets

    • Target

      66271b42deb125207e99f414b2f573f4a94f394cf70b02e7650c1a3359efb427

    • Size

      255KB

    • MD5

      1fa7e55e39dd7012d1666556f8012011

    • SHA1

      2d9b7187430db4f4651b28d5ece54079a28beef9

    • SHA256

      66271b42deb125207e99f414b2f573f4a94f394cf70b02e7650c1a3359efb427

    • SHA512

      1251ffbdd6d519fbd9fbd34affecb86f641758365c308a0910fc2e9dbe5241b6bba78c08b8addcfa2843aaf583cb6722cc5bbf1162d457a2c1023474cc061f53

    • 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

6
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