General

  • Target

    989fc7c190cb7d71dfec1c867d83fda2b530bb4b82211a518e3947c2160c433d

  • Size

    255KB

  • Sample

    221126-2pbkfaec6w

  • MD5

    f83cef50ba75f3ffb08a8987465eb812

  • SHA1

    d8efefbe1e85f57d7056605c55cbf2f0f483d5e5

  • SHA256

    989fc7c190cb7d71dfec1c867d83fda2b530bb4b82211a518e3947c2160c433d

  • SHA512

    4b5fe3eb0c9964cd4d108cd5b727af4f17f6c8b52a09bcb1255f904c9f7df0ad87e42b1dd4a696cacb59418caa2f1dc0d72c610cb71c88800744b2605c5aec73

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ/:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIS

Malware Config

Targets

    • Target

      989fc7c190cb7d71dfec1c867d83fda2b530bb4b82211a518e3947c2160c433d

    • Size

      255KB

    • MD5

      f83cef50ba75f3ffb08a8987465eb812

    • SHA1

      d8efefbe1e85f57d7056605c55cbf2f0f483d5e5

    • SHA256

      989fc7c190cb7d71dfec1c867d83fda2b530bb4b82211a518e3947c2160c433d

    • SHA512

      4b5fe3eb0c9964cd4d108cd5b727af4f17f6c8b52a09bcb1255f904c9f7df0ad87e42b1dd4a696cacb59418caa2f1dc0d72c610cb71c88800744b2605c5aec73

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ/:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIS

    • 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