General

  • Target

    7085afb19783f55fbced2866e84a2821844a009919449bbbd2010c9a98b2a837

  • Size

    255KB

  • Sample

    221123-zwlymsha4w

  • MD5

    5c68735ba52464db85df70858967d36b

  • SHA1

    19d9a8d363dc9851aade058645567a600d1b2246

  • SHA256

    7085afb19783f55fbced2866e84a2821844a009919449bbbd2010c9a98b2a837

  • SHA512

    40989030de16f6a2799ad83114c2c122f97b035ccb8a184ace4de0c9db01a3d9b7ab877bb6397e0d03ddc785ab26f77dffd23ddf6ec83c9b135eea22febad514

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJu:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIH

Malware Config

Targets

    • Target

      7085afb19783f55fbced2866e84a2821844a009919449bbbd2010c9a98b2a837

    • Size

      255KB

    • MD5

      5c68735ba52464db85df70858967d36b

    • SHA1

      19d9a8d363dc9851aade058645567a600d1b2246

    • SHA256

      7085afb19783f55fbced2866e84a2821844a009919449bbbd2010c9a98b2a837

    • SHA512

      40989030de16f6a2799ad83114c2c122f97b035ccb8a184ace4de0c9db01a3d9b7ab877bb6397e0d03ddc785ab26f77dffd23ddf6ec83c9b135eea22febad514

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJu:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIH

    • 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