Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 05:29

General

  • Target

    e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe

  • Size

    326KB

  • MD5

    e3c81fb93bf96c6a19dd9bf37d43d110

  • SHA1

    65c724c24ccfb8279b75897c8b38047a7000bde4

  • SHA256

    637b36c849a35dc866096ebf9223b8adfa0743fc8734c1692f2eb4e3f69fbff3

  • SHA512

    e03f798f029161cfb2976dcaf4e8cd89c77d7784c8d943f176b9c817c8fe99b70534062bdded5c2d18a23ed4c016c37ded929df36075a2ce4f397901e85147ae

  • SSDEEP

    3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+O1sVG0/pZ6iPC8

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
      "C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:404
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NJIVC.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1136
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          PID:4032
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1268
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3060
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\NJIVC.txt

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    326KB

    MD5

    a6ef61cc240e33c0e9f22f1b0065b370

    SHA1

    890208a833f0d01c09109993acca8e560f53c9b5

    SHA256

    472c93815b8a11c92aacdacabdb921d83dad201a8a68f3703a4deca8e9d4bdce

    SHA512

    556268d1e655e93c9c9fc977392bf99562892d1fdcf21c5f4863277b5501e25f1f7997c7163fcaf30fa24c005e8d6d1de07c4f4a726331e1fe473821b48b4129

  • memory/404-3-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/404-55-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/404-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/404-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1268-54-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1268-39-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1268-36-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1828-49-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1828-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1828-48-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1828-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1828-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1828-58-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3060-57-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3416-4-0x0000000002A10000-0x0000000002A12000-memory.dmp

    Filesize

    8KB

  • memory/3416-5-0x0000000002A20000-0x0000000002A22000-memory.dmp

    Filesize

    8KB

  • memory/3416-6-0x0000000002A30000-0x0000000002A32000-memory.dmp

    Filesize

    8KB

  • memory/3416-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/3416-10-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/3416-7-0x0000000002A40000-0x0000000002A42000-memory.dmp

    Filesize

    8KB