Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 08:14

General

  • Target

    4204b9d4c4df5c4b4d67922db24f342a.exe

  • Size

    3.2MB

  • MD5

    4204b9d4c4df5c4b4d67922db24f342a

  • SHA1

    9255b5e94028f3f55adda2576d60bd39452eaf08

  • SHA256

    62cd7b447bdee3ec1670c92d9585e1fddbaa5d4ee824dee8f15940005bf95414

  • SHA512

    0b4ed4d6397c9f34cf2c72d9c581a6e5d94eabf395da0010073b1600883dac6fcc48c1606ffee29952bd60707caf03b8a6d6cf644b2ac668306b4a418d726423

  • SSDEEP

    49152:l/Ki16IscOcmroPBql2IzydQgfTzTGKr6d61YryTz3onQqHlfBrfgOtat:Ujpreg7zyWsFGd61QYoHBroO4t

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 1 IoCs
  • 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.

  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 4 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4204b9d4c4df5c4b4d67922db24f342a.exe
    "C:\Users\Admin\AppData\Local\Temp\4204b9d4c4df5c4b4d67922db24f342a.exe"
    1⤵
    • Modifies firewall policy service
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:1804
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:4608
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4000

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1804-0-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-1-0x00007FFA00000000-0x00007FFA00002000-memory.dmp

        Filesize

        8KB

      • memory/1804-5-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-6-0x00007FFA00030000-0x00007FFA00031000-memory.dmp

        Filesize

        4KB

      • memory/1804-4-0x00007FFA7C000000-0x00007FFA7C0BE000-memory.dmp

        Filesize

        760KB

      • memory/1804-3-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-2-0x00007FFA7B270000-0x00007FFA7B539000-memory.dmp

        Filesize

        2.8MB

      • memory/1804-7-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-8-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-11-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-10-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-9-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-12-0x00007FFA7D730000-0x00007FFA7D925000-memory.dmp

        Filesize

        2.0MB

      • memory/1804-20-0x00007FF68D8C0000-0x00007FF68E321000-memory.dmp

        Filesize

        10.4MB

      • memory/1804-21-0x00007FFA00000000-0x00007FFA00002000-memory.dmp

        Filesize

        8KB

      • memory/1804-22-0x00007FFA7B270000-0x00007FFA7B539000-memory.dmp

        Filesize

        2.8MB

      • memory/1804-24-0x00007FFA7D730000-0x00007FFA7D925000-memory.dmp

        Filesize

        2.0MB