Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10-03-2024 17:15

General

  • Target

    044f40d9fa5d3ff14151e14429ef456f1bfdb08d93c1c8f1f756faa37cf7857e.exe

  • Size

    281KB

  • MD5

    547d09f310657d22d4eef832255775ed

  • SHA1

    854783f3d24e057526f36d1ff1dd7456ae9718d7

  • SHA256

    044f40d9fa5d3ff14151e14429ef456f1bfdb08d93c1c8f1f756faa37cf7857e

  • SHA512

    b82b2ae1819bf4df9ec25654990a7ade30f386469bb23173be0a45ddd1b94a6e8ba86cb2d027ee40da7996844efbc4e82433361ee1ca2fb6588ddf7bd9b6ac6e

  • SSDEEP

    6144:XsaocyLCUeW9f/7w6g5DXIHggcnZ6k3cr0Ypw+khYQ:Xtob2Wp/7Tg94Hgjndsr0YpbkhYQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\044f40d9fa5d3ff14151e14429ef456f1bfdb08d93c1c8f1f756faa37cf7857e.exe
    "C:\Users\Admin\AppData\Local\Temp\044f40d9fa5d3ff14151e14429ef456f1bfdb08d93c1c8f1f756faa37cf7857e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\Temp\nsi540.tmp\installer.exe
      C:\Users\Admin\AppData\Local\Temp\nsi540.tmp\installer.exe 4dc90cd0-7328-42b2-8f65-20295bc06f26.exe /t /dT132210833S /e6004452 /u4dc90cd0-7328-42b2-8f65-20295bc06f26
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Users\Admin\AppData\Local\Temp\nsi540.tmp\4dc90cd0-7328-42b2-8f65-20295bc06f26.exe
        /t /dT132210833S /e6004452 /u4dc90cd0-7328-42b2-8f65-20295bc06f26
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsi540.tmp\4dc90cd0-7328-42b2-8f65-20295bc06f26.exe

    Filesize

    249KB

    MD5

    e5fdaf113b510ceaf5672d7af36eaa75

    SHA1

    ee4c3b6d2343650926944869a07e31a9a2a4ffc5

    SHA256

    d4f2a25d2831f368313160bf2e2983264426ba9e4027447440b5a3ee8bb8b526

    SHA512

    f55acf149353251d44d768381a9256f509c62e24479775a24924c584a29fd7cdc2f705b84318a0280ca9731c6c3b4be993045e2e925cd42ef7a9e64e21e584a8

  • \Users\Admin\AppData\Local\Temp\nsi540.tmp\installer.exe

    Filesize

    207KB

    MD5

    de8e9cb3a534359f5809b9c5980ce365

    SHA1

    34def3bd6d46a97daa546671513733b9a94c1e8a

    SHA256

    653db07daeedb23437e723f00ab4f7320e5bb6e6689e38e54896ee44d84cfc71

    SHA512

    dffe030837a4babfb06419ffd893f54b9856e0f1aafb320e923a7a4aea894154207b0f2998fd0ecaaf0105c6ff1bed95d93a8ae2f531e1c8c3aca248a35b1fe2

  • \Users\Admin\AppData\Local\Temp\nsi540.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • memory/2360-31-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/2372-27-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-13-0x00000000005D0000-0x00000000005F8000-memory.dmp

    Filesize

    160KB

  • memory/2372-19-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-20-0x0000000000BF0000-0x0000000000C70000-memory.dmp

    Filesize

    512KB

  • memory/2372-21-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

    Filesize

    9.6MB

  • memory/2772-22-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

    Filesize

    256KB

  • memory/2772-25-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

    Filesize

    256KB

  • memory/2772-26-0x00000000744C0000-0x0000000074A6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2772-24-0x00000000744C0000-0x0000000074A6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2772-23-0x00000000744C0000-0x0000000074A6B000-memory.dmp

    Filesize

    5.7MB