Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 21:37

General

  • Target

    44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe

  • Size

    326KB

  • MD5

    c6588d4ae439c37ff1fc9d701d077fc3

  • SHA1

    90bd7e211b9e7c7e65d650c531db6bc9d689d5d4

  • SHA256

    44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1

  • SHA512

    b09635c1910bc0e480e991ed6d7f7e4f62bac7cd78697a5bfe804b7fe5f51ae0151c17174b4e21db3c51caada9da4d7d48d8e6b3e99e0f372bba8d5c0238291d

  • SSDEEP

    3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • ModiLoader Second Stage 1 IoCs
  • UPX dump on OEP (original entry point) 22 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 23 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe
    "C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe
      "C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HTYUI.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1560
        • 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:1980
      • 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:1832
        • 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:1396
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\HTYUI.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    116887663edafbb8bd9452f755423bcc

    SHA1

    4d459660b27553e38c413df8390cd9a2de1118c1

    SHA256

    3feeb296764fa202fb044977ef39deb226109ae57420072f549dee78575817b5

    SHA512

    20c7ce9bfafe790c7d1d8a0d525b53ce5283dd792503c1f491feaaacab5a0a8aac4f91f579f3cd85ce259219e968be9cbe74a2d152e6899f4997934a7b1fe922

  • memory/1396-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1548-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1548-242-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1832-246-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1832-227-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1832-164-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1832-175-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1832-183-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1832-155-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1832-149-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1936-82-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1936-27-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1936-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/1936-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1936-102-0x0000000001EA0000-0x0000000001EF4000-memory.dmp

    Filesize

    336KB

  • memory/1936-103-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1936-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1936-89-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1936-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1936-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1936-60-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/1936-40-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1936-38-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1936-70-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/1936-92-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1936-81-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1936-78-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2468-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-147-0x0000000003480000-0x00000000034D4000-memory.dmp

    Filesize

    336KB

  • memory/2468-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-249-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2468-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB