Analysis

  • max time kernel
    106s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 19:27

General

  • Target

    66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe

  • Size

    219KB

  • MD5

    325317378480d1ad444e215dad24aa90

  • SHA1

    7616be601e5b805382e1b41921c71b414482f473

  • SHA256

    66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117

  • SHA512

    a29c9ff4c56db527bb0b8a5bc8e36a238c4f95a2e99ff04a596ecec80f1676112e3dc71843fa0b01f38003dc4232d346c19e7dc3a9c7e4b364aa14835fe34326

  • SSDEEP

    6144:G4PO62KI5dcdiYld9grw+GHyulg66cZGV:9PKKihC/grw+aG66cZC

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe
    "C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2444

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2444-14-0x0000000005BD0000-0x0000000005C20000-memory.dmp

          Filesize

          320KB

        • memory/2444-10-0x0000000000500000-0x000000000051E000-memory.dmp

          Filesize

          120KB

        • memory/2444-17-0x0000000005DE0000-0x0000000005DEA000-memory.dmp

          Filesize

          40KB

        • memory/2444-16-0x0000000005EF0000-0x00000000060B2000-memory.dmp

          Filesize

          1.8MB

        • memory/2444-15-0x0000000075370000-0x0000000075B20000-memory.dmp

          Filesize

          7.7MB

        • memory/2444-13-0x0000000075370000-0x0000000075B20000-memory.dmp

          Filesize

          7.7MB

        • memory/2444-9-0x0000000075370000-0x0000000075B20000-memory.dmp

          Filesize

          7.7MB

        • memory/2444-12-0x0000000004A10000-0x0000000004AAC000-memory.dmp

          Filesize

          624KB

        • memory/4116-4-0x0000000004B70000-0x0000000004C02000-memory.dmp

          Filesize

          584KB

        • memory/4116-1-0x0000000000070000-0x00000000000AE000-memory.dmp

          Filesize

          248KB

        • memory/4116-11-0x0000000075370000-0x0000000075B20000-memory.dmp

          Filesize

          7.7MB

        • memory/4116-5-0x0000000004AD0000-0x0000000004AE2000-memory.dmp

          Filesize

          72KB

        • memory/4116-0-0x000000007537E000-0x000000007537F000-memory.dmp

          Filesize

          4KB

        • memory/4116-8-0x0000000075370000-0x0000000075B20000-memory.dmp

          Filesize

          7.7MB

        • memory/4116-3-0x0000000005080000-0x0000000005624000-memory.dmp

          Filesize

          5.6MB

        • memory/4116-2-0x00000000049A0000-0x00000000049D6000-memory.dmp

          Filesize

          216KB