Resubmissions

10/08/2024, 02:59

240810-dgzejaxamf9

10/08/2024, 02:46

240810-c9bcqswfpa9

10/08/2024, 02:40

240810-c58gnssdlj9

Analysis

  • max time kernel
    34s
  • max time network
    33s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 02:40

General

  • Target
    build.exe
  • Size 515KB
  • Sample240810-c58gnssdlj
  • SHA256 645df1d69ea713e9f34698e80a0dd4963e7915729658588ba4b0765ffa656536
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Loads dropped DLL 1 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Looks up external IP address via web service 1 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build.exe
    "C:\Users\Admin\AppData\Local\Temp\build.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2036

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        d3d9x.dll

        • Path C:\Users\Admin\AppData\Roaming\d3d9x.dll
        • Size 370KB
        • SHA256 da4ca61b3fb9698b00d9e63f4228e4cfe3f9464a83c36c040561120029690cf5
        • MD5 SHA1 SHA512 SSDEEP

        memory/1448-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

        memory/1448-1-0x0000000000480000-0x0000000000508000-memory.dmp

        memory/1448-10-0x0000000074E80000-0x0000000075630000-memory.dmp

        memory/1448-18-0x0000000074E80000-0x0000000075630000-memory.dmp

        memory/2036-8-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/2036-11-0x00000000056B0000-0x0000000005C54000-memory.dmp

        memory/2036-12-0x0000000074E80000-0x0000000075630000-memory.dmp

        memory/2036-13-0x0000000074E80000-0x0000000075630000-memory.dmp

        memory/2036-14-0x0000000006270000-0x0000000006302000-memory.dmp

        memory/2036-15-0x0000000006100000-0x0000000006166000-memory.dmp

        memory/2036-17-0x0000000074E80000-0x0000000075630000-memory.dmp