Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 01:01

General

  • Target

    4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe

  • Size

    326KB

  • MD5

    6867f6f8353d78ae5efe3bdcbf9161c0

  • SHA1

    750054bc0818844b8307f5383ca7386f95eaf53c

  • SHA256

    4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7

  • SHA512

    1077ef1c2c8bba392179fb0da0a22c3393a90f1c345d33a0da6484ead623e0b82f46ccb634fd38446535e492cdbbe8816e2c383167219f5cb43d61a096e57434

  • 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.

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 22 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe
    "C:\Users\Admin\AppData\Local\Temp\4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Local\Temp\4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe
      "C:\Users\Admin\AppData\Local\Temp\4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\CWBXL.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2524
        • 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
          • System Location Discovery: System Language Discovery
          PID:2544
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2944
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2816
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    ac9bece098f67b1a8fde2b4f71cd9574

    SHA1

    42027ef1be2e1e766493251e651e44d340264228

    SHA256

    30e1ca62a6d1d25a7ebe07706e61588321498332b1214e0eca0ef93e0bf3f83b

    SHA512

    381311ec94c773535f57867055fe5220bce15f227072c1f30eaa2af4406e4c0fd225a1408a3b93982ff205798224a8eab9ad86740d51240f601caca47e4b552b

  • memory/2140-261-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2140-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2752-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-223-0x0000000003160000-0x00000000031B4000-memory.dmp

    Filesize

    336KB

  • memory/2752-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2752-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-222-0x0000000003160000-0x00000000031B4000-memory.dmp

    Filesize

    336KB

  • memory/2752-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-134-0x0000000003160000-0x00000000031B4000-memory.dmp

    Filesize

    336KB

  • memory/2752-147-0x0000000003160000-0x00000000031B4000-memory.dmp

    Filesize

    336KB

  • memory/2752-148-0x0000000003160000-0x00000000031B4000-memory.dmp

    Filesize

    336KB

  • memory/2752-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2752-221-0x0000000003160000-0x00000000031B4000-memory.dmp

    Filesize

    336KB

  • memory/2752-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2816-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2896-152-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2896-78-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2896-55-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2896-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2896-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2896-70-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2896-39-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2896-101-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2896-60-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2896-91-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2896-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2896-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2896-81-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2896-82-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2896-27-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2896-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2944-166-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2944-185-0x0000000000560000-0x0000000000561000-memory.dmp

    Filesize

    4KB

  • memory/2944-177-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2944-156-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2944-249-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2944-244-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB