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Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 15:33

General

  • Target

    d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe

  • Size

    90KB

  • MD5

    bf8072e383a9ef054f328c2835b72970

  • SHA1

    55132dcc47fcc74a83f828e00566c16b76b82c1e

  • SHA256

    d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48

  • SHA512

    9464b70e7fd81bd65252bc83cef28e079a2debe48ee69d1d58ecd7b139b52136d66b054e211d3f7bbc53f9651c255152da1901668c1dce2fb487e3457a916916

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDc: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 21 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\d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe
    "C:\Users\Admin\AppData\Local\Temp\d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe
      "C:\Users\Admin\AppData\Local\Temp\d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BFUUH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2792
        • 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:1152
      • 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:1632
        • 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:2008
        • 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:1756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    6856046cc9be808b97c175f772084932

    SHA1

    c1da9e309f8c401f4363fd5091660f4536f209e1

    SHA256

    28438ecce032683963eacc63183f60f468d58fec9b940a88e520123fac3a0170

    SHA512

    527eb7845b04850066040d77592241388facf6be83e93f57e71911c2988b9d0faf83f8c8a19319de3012dc05e3b9d15a6141c8cbae45fb234c6e8336ef595079

  • memory/1280-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1280-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1280-248-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1280-200-0x00000000034C0000-0x0000000003513000-memory.dmp

    Filesize

    332KB

  • memory/1280-150-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1280-145-0x00000000034C0000-0x0000000003513000-memory.dmp

    Filesize

    332KB

  • memory/1280-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1280-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1280-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1280-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1280-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1280-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1288-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1288-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1288-41-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/1288-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1288-15-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1288-16-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1288-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1288-29-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1288-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1288-79-0x0000000002570000-0x0000000002572000-memory.dmp

    Filesize

    8KB

  • memory/1288-61-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/1288-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1288-90-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/1288-71-0x0000000001E70000-0x0000000001E71000-memory.dmp

    Filesize

    4KB

  • memory/1632-174-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1632-153-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1632-209-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1632-163-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1632-147-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1632-245-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1756-243-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1756-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2008-254-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB