General

  • Target

    Install.exe

  • Size

    5.6MB

  • Sample

    230205-wd4h7aac68

  • MD5

    e598585a24862a1e6030e0c17c6a92f8

  • SHA1

    efe83d17d8436ed360d3f1de1e60cfe06b49eec6

  • SHA256

    50daa67bbc7ec76d41bb37731ec56745ddc48cb4286c91b8779bb54b75764d4c

  • SHA512

    db382e3755f77740e84348ee4b87b7b8e6cdfae4c5c9093e43583741247da8925e399c589542159798f5336c564fb84473998be38db61d033a60d51487dce83f

  • SSDEEP

    98304:8iozxSj2ladX3VGTxTYB/y2oo67JFuv+WR+rw71p1iXx20gd0XfTP2mKq6e:8io8jaax3VoxMB/q7JIWWRgw7hiI0O0R

Malware Config

Targets

    • Target

      Install.exe

    • Size

      5.6MB

    • MD5

      e598585a24862a1e6030e0c17c6a92f8

    • SHA1

      efe83d17d8436ed360d3f1de1e60cfe06b49eec6

    • SHA256

      50daa67bbc7ec76d41bb37731ec56745ddc48cb4286c91b8779bb54b75764d4c

    • SHA512

      db382e3755f77740e84348ee4b87b7b8e6cdfae4c5c9093e43583741247da8925e399c589542159798f5336c564fb84473998be38db61d033a60d51487dce83f

    • SSDEEP

      98304:8iozxSj2ladX3VGTxTYB/y2oo67JFuv+WR+rw71p1iXx20gd0XfTP2mKq6e:8io8jaax3VoxMB/q7JIWWRgw7hiI0O0R

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks