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Analysis

  • max time kernel
    120s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/12/2024, 01:45

General

  • Target

    79a50f0a1c483a7a7f5b648ed70805bf1ccfe036f48905879ee4a07b8ad0946eN.exe

  • Size

    90KB

  • MD5

    8d34fa9520283cd4c98b1b23cbf1fe20

  • SHA1

    12c5992372be078808c1ab480ec6a0d65b6756b3

  • SHA256

    79a50f0a1c483a7a7f5b648ed70805bf1ccfe036f48905879ee4a07b8ad0946e

  • SHA512

    9c479346d575089f1ba32319a9b6aa0cc1e376bd25164560fb77d012ba1c63ea23308740fb5c838d6fd7675c8b1b74666aeeb2466f48e47b8fdfbc0f1322e902

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 25 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\79a50f0a1c483a7a7f5b648ed70805bf1ccfe036f48905879ee4a07b8ad0946eN.exe
    "C:\Users\Admin\AppData\Local\Temp\79a50f0a1c483a7a7f5b648ed70805bf1ccfe036f48905879ee4a07b8ad0946eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Local\Temp\79a50f0a1c483a7a7f5b648ed70805bf1ccfe036f48905879ee4a07b8ad0946eN.exe
      "C:\Users\Admin\AppData\Local\Temp\79a50f0a1c483a7a7f5b648ed70805bf1ccfe036f48905879ee4a07b8ad0946eN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BEPRM.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2852
        • 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:1524
      • 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:1852
        • 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:1088
        • 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:1008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    604ece3668e0e433a3ce051cabd2cf87

    SHA1

    e66db699da39f341fb17c0229580a94bd6f9d1b4

    SHA256

    76931330ae639b44b76260c4af4a9dad420e311465495240dcb4a54328f83fe3

    SHA512

    a9381d958c7b0a6d8a6e5e2f74d93f3b809cd7e7d7561170ff49a4be1909536ac60a46dd9fc9ca435a8c951c2c019cfcb41670e826d441bb21324754f6d79011

  • memory/1008-268-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1008-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1088-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1088-254-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1852-169-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1852-159-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1852-225-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1852-180-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1852-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1852-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2488-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2488-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-73-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-70-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2488-60-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2488-40-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2488-28-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2488-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2488-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2488-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2612-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-149-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2612-150-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2612-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-151-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2612-136-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2612-219-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2612-218-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2612-215-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2612-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-212-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2612-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB