Analysis

  • max time kernel
    38s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2022 00:45

General

  • Target

    Install.exe

  • Size

    686.6MB

  • MD5

    436c4290282bda086d3a38ae2ea5c2f5

  • SHA1

    c69e9b7ba4967be00330053ba6b152f8393da612

  • SHA256

    0fd1f535929f90d75a59c57a8b33e4fb40381bb7ee31b3c18c10cb7c8d6599a3

  • SHA512

    ca1efea143c0e73b9c50afeaf0826da24373990c93b176f84e2576596b5296a38765db6710becab1c1829a5a1dba84eb34504f79ae0d55964a845e66a0aab15b

  • SSDEEP

    98304:ULX0zHX9KZlxm8pNeRNO+eL1nZ779wnqRJh3kMDpzzY8:qXsHX9KmDJeLj9i4nda8

Malware Config

Signatures

  • PrivateLoader

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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.

  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1648-54-0x0000000075811000-0x0000000075813000-memory.dmp

    Filesize

    8KB

  • memory/1648-55-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-56-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-57-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-58-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-59-0x0000000077290000-0x0000000077410000-memory.dmp

    Filesize

    1.5MB

  • memory/1648-60-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-61-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-62-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-63-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-64-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-65-0x0000000000100000-0x0000000000BA1000-memory.dmp

    Filesize

    10.6MB

  • memory/1648-66-0x0000000077290000-0x0000000077410000-memory.dmp

    Filesize

    1.5MB