Analysis

  • max time kernel
    137s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 18:16

General

  • Target

    0498bd5aa82ef8b9ca4f26eeeceb9fa9aec2a10cf84c7813b17ec7d68c7764f4.exe

  • Size

    209KB

  • MD5

    5960ea71489b43b5e418523d5ebd7fa2

  • SHA1

    8b98aa0bd6fec4e87a32e37b976497ee561b0a3a

  • SHA256

    0498bd5aa82ef8b9ca4f26eeeceb9fa9aec2a10cf84c7813b17ec7d68c7764f4

  • SHA512

    111cc28e28d63850878e756257ae156ab7a33ad3e953841ae83cde490c6bdbc68b5c65f7ffe4e760abfb5bb4f584cc432f2cfa7993e7f7c93aba2598390bd7e4

  • SSDEEP

    6144:6kk2HAZ94N1qqZ4foYzyr0j8rvVYC/Iwgd:vk2HAZaN1qqiAYz98rNU

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • 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.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch -p
    1⤵
      PID:796
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3440
        • C:\Users\Admin\AppData\Local\Temp\0498bd5aa82ef8b9ca4f26eeeceb9fa9aec2a10cf84c7813b17ec7d68c7764f4.exe
          "C:\Users\Admin\AppData\Local\Temp\0498bd5aa82ef8b9ca4f26eeeceb9fa9aec2a10cf84c7813b17ec7d68c7764f4.exe"
          2⤵
          • Adds policy Run key to start application
          • Checks computer location settings
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4916
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0498BD~1.EXE >> NUL
            3⤵
              PID:4752

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Modify Registry

        1
        T1112

        Credential Access

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/796-2-0x0000000003420000-0x0000000003433000-memory.dmp
          Filesize

          76KB

        • memory/3440-3-0x00000000038F0000-0x0000000003903000-memory.dmp
          Filesize

          76KB