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Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 00:34

General

  • Target

    21e3c9cebb346add379aeadf2d539c43.exe

  • Size

    375KB

  • MD5

    21e3c9cebb346add379aeadf2d539c43

  • SHA1

    217c41d654c2c8ab4ef425a86fdd0ee961c08328

  • SHA256

    e4eecda3c8f76851e33d2de079e63477ede14b6eb6e2511b141eef808f55a61d

  • SHA512

    ee972b6b6d15a1d94f3c38f50074f498491351e683251e9519b4c6f970de2d0b9655b8536c01de16bba80e0e71d9f95b694f5ea0beb22a32105c816500f44b6b

  • SSDEEP

    6144:8UvbxY2cqs+Iu6TzJQVW8MNkLo93utmTGlgWRx/:pG2wuVjQkLo9M+ggWRx

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21e3c9cebb346add379aeadf2d539c43.exe
    "C:\Users\Admin\AppData\Local\Temp\21e3c9cebb346add379aeadf2d539c43.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\21e3c9cebb346add379aeadf2d539c43.exe
      "C:\Users\Admin\AppData\Local\Temp\21e3c9cebb346add379aeadf2d539c43.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\ProgramData\NmgeaahyW\LlaxxHzoE2Uj.exe
        "C:\ProgramData\NmgeaahyW\LlaxxHzoE2Uj.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\ProgramData\NmgeaahyW\LlaxxHzoE2Uj.exe
          "C:\ProgramData\NmgeaahyW\LlaxxHzoE2Uj.exe"
          4⤵
          • Deletes itself
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2668
          • C:\Program Files (x86)\Windows Mail\wab.exe
            "C:\Program Files (x86)\Windows Mail\wab.exe" /i:2668
            5⤵
              PID:2664

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \ProgramData\NmgeaahyW\LlaxxHzoE2Uj.exe

      Filesize

      375KB

      MD5

      21e3c9cebb346add379aeadf2d539c43

      SHA1

      217c41d654c2c8ab4ef425a86fdd0ee961c08328

      SHA256

      e4eecda3c8f76851e33d2de079e63477ede14b6eb6e2511b141eef808f55a61d

      SHA512

      ee972b6b6d15a1d94f3c38f50074f498491351e683251e9519b4c6f970de2d0b9655b8536c01de16bba80e0e71d9f95b694f5ea0beb22a32105c816500f44b6b

    • memory/1752-7-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/1752-24-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/1752-0-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/1752-6-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/1752-9-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/1752-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1752-4-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2184-52-0x0000000076980000-0x0000000076A90000-memory.dmp

      Filesize

      1.1MB

    • memory/2184-36-0x0000000076980000-0x0000000076A90000-memory.dmp

      Filesize

      1.1MB

    • memory/2184-34-0x0000000000400000-0x0000000000468000-memory.dmp

      Filesize

      416KB

    • memory/2252-8-0x0000000076980000-0x0000000076A90000-memory.dmp

      Filesize

      1.1MB

    • memory/2252-5-0x0000000000400000-0x0000000000468000-memory.dmp

      Filesize

      416KB

    • memory/2664-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2664-49-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2664-53-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2668-38-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2668-50-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB