Resubmissions

25-04-2023 08:59

230425-kx2m6ahe65 8

25-04-2023 08:50

230425-kr15fabc8z 8

25-04-2023 07:11

230425-hz4t7aah5w 8

General

  • Target

    WaveBrowser_Stub-v1.3.11.1.exe

  • Size

    1015KB

  • Sample

    230425-hz4t7aah5w

  • MD5

    eb75bdad6744e9cdd21f60497eb44327

  • SHA1

    7b191a3e84e5ce41edf581ef777c6fcea667e67e

  • SHA256

    ce6cc24412a936cee23ddfb31bf91fdcb62008e0025a057080bb2b9b029a82d6

  • SHA512

    9940bc9e4eaca80402250edb918060f59d0b40040e31bc68266b5bb044ea55a23c19f17309b22745ea9f1590a5b2930467dc4fdc727c41ec06daf43854b0fed5

  • SSDEEP

    12288:GjCFXvTk1GDiKI08p7kSrUZeX/N55ZbDF0s+2QGJvsgHYIEGcjR/+p4YK6zZDLYZ:JvoU/BSv/N5rDs2TvCR2+dODbPRir

Malware Config

Targets

    • Target

      WaveBrowser_Stub-v1.3.11.1.exe

    • Size

      1015KB

    • MD5

      eb75bdad6744e9cdd21f60497eb44327

    • SHA1

      7b191a3e84e5ce41edf581ef777c6fcea667e67e

    • SHA256

      ce6cc24412a936cee23ddfb31bf91fdcb62008e0025a057080bb2b9b029a82d6

    • SHA512

      9940bc9e4eaca80402250edb918060f59d0b40040e31bc68266b5bb044ea55a23c19f17309b22745ea9f1590a5b2930467dc4fdc727c41ec06daf43854b0fed5

    • SSDEEP

      12288:GjCFXvTk1GDiKI08p7kSrUZeX/N55ZbDF0s+2QGJvsgHYIEGcjR/+p4YK6zZDLYZ:JvoU/BSv/N5rDs2TvCR2+dODbPRir

    • Downloads MZ/PE file

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • UPX packed file

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Tasks