General

  • Target

    17bf3a0625b50f11075d68c6128cadd55ffece940838ffb83c2bef190ad3951c

  • Size

    942KB

  • Sample

    230318-16qv1sdh73

  • MD5

    40db798e1e044154347164972296419e

  • SHA1

    927585af32d7dea9dc178685b8f0c3bb8af4a6bc

  • SHA256

    17bf3a0625b50f11075d68c6128cadd55ffece940838ffb83c2bef190ad3951c

  • SHA512

    63a7227b606b2cef753eb4b48a75c779b5b32cd0a8610d0dbe4dde3280bcbdf79e5a11ea5a7daf3f27cbc3661a3419ed754083171ee60aa104bd2db0a2ed76c3

  • SSDEEP

    24576:lEx45zxI+uKykuDOfnTwpmWUtdIsL+PNsQriute:dzxIQuDOvTwpmW/sLpKJ

Malware Config

Targets

    • Target

      17bf3a0625b50f11075d68c6128cadd55ffece940838ffb83c2bef190ad3951c

    • Size

      942KB

    • MD5

      40db798e1e044154347164972296419e

    • SHA1

      927585af32d7dea9dc178685b8f0c3bb8af4a6bc

    • SHA256

      17bf3a0625b50f11075d68c6128cadd55ffece940838ffb83c2bef190ad3951c

    • SHA512

      63a7227b606b2cef753eb4b48a75c779b5b32cd0a8610d0dbe4dde3280bcbdf79e5a11ea5a7daf3f27cbc3661a3419ed754083171ee60aa104bd2db0a2ed76c3

    • SSDEEP

      24576:lEx45zxI+uKykuDOfnTwpmWUtdIsL+PNsQriute:dzxIQuDOvTwpmW/sLpKJ

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Disables taskbar notifications via registry modification

    • Possible privilege escalation attempt

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Deletes itself

    • Executes dropped EXE

    • Modifies file permissions

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

4
T1158

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Hidden Files and Directories

4
T1158

Modify Registry

10
T1112

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Tasks