Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 08:00

General

  • Target

    b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe

  • Size

    90KB

  • MD5

    3ce148c87039e2357ac0cc0a113614a0

  • SHA1

    4dff5c6c7f04f2a62d21922071e431f092aa8525

  • SHA256

    b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69

  • SHA512

    e654cdbf8adc01a24453644ad8cb77c07cff5229d226b9ab2810605a151363c5ef4f0362ecfc5b1bbe92d56fda25a84cc37657777434593c6695129c15c5ac3e

  • 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 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 20 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
    "C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
      "C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:968
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HYUWI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3472
        • 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:836
      • 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:2344
        • 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:3104
        • 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:1932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    381de4891fcde029d31415bac09734ca

    SHA1

    7732b031bbc6898bf171d4ae48950ec9c948a24f

    SHA256

    0e99021b50d7df092816a0561ce1389be58199d9310805c94d4a4cc285371c2c

    SHA512

    1b53d36731ee56c542ca82f48bffdd798f89c61f70acd7fd7cf227b09b25f425609d9d6c667d366ab671243bdaba170550aa7c21fa8080550ffd64be1aa6f39d

  • memory/968-12-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/968-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/968-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/968-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/968-8-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1932-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1932-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1932-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1932-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1932-46-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2344-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2344-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2344-36-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2344-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2364-7-0x0000000002340000-0x0000000002342000-memory.dmp

    Filesize

    8KB

  • memory/2364-6-0x0000000002330000-0x0000000002332000-memory.dmp

    Filesize

    8KB

  • memory/2364-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2364-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2364-4-0x0000000002320000-0x0000000002322000-memory.dmp

    Filesize

    8KB

  • memory/2364-3-0x0000000002310000-0x0000000002312000-memory.dmp

    Filesize

    8KB

  • memory/2364-14-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3104-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB