Analysis

  • max time kernel
    123s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2023, 03:31

General

  • Target
    563f1138b27e455471bdfff59b19c3f4.exe
  • Size 6.1MB
  • Sample230304-d22qdsce77
  • SHA256 23c07eb780fc204fc9a5affdb4247fe72d1fdf10e081bf8095a5e2fd597422c4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • PrivateLoader

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\563f1138b27e455471bdfff59b19c3f4.exe
    "C:\Users\Admin\AppData\Local\Temp\563f1138b27e455471bdfff59b19c3f4.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4248
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:3580
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:3380

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/4248-133-0x0000000003560000-0x0000000003561000-memory.dmp

            memory/4248-134-0x0000000003570000-0x0000000003571000-memory.dmp

            memory/4248-135-0x00000000036A0000-0x00000000036A1000-memory.dmp

            memory/4248-136-0x00000000036B0000-0x00000000036B1000-memory.dmp

            memory/4248-137-0x00000000036C0000-0x00000000036C1000-memory.dmp

            memory/4248-138-0x00000000036D0000-0x00000000036D1000-memory.dmp

            memory/4248-139-0x0000000000DD0000-0x0000000001A6B000-memory.dmp