Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2024, 07:34

General

  • Target

    a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe

  • Size

    90KB

  • MD5

    7fbc526cb9098cb0bd5e4b97375b8270

  • SHA1

    cbcbdb3d0cbc7a39885fa570869ff7342463492a

  • SHA256

    a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05

  • SHA512

    79faa0d152eaa76449339efd464b8d408bbbbb739a961fae93453e5cac7b738a1ba0fb44086c9db4690eae273da5b41c865747fcd34483df8bfd314a88686725

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE38

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 23 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\a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe
    "C:\Users\Admin\AppData\Local\Temp\a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Users\Admin\AppData\Local\Temp\a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe
      "C:\Users\Admin\AppData\Local\Temp\a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RONRF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1092
        • 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:1240
      • 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:2920
        • 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:1720
        • 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:2480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    29b6bd9b1f79f62ab12c0f741170b6be

    SHA1

    731ffedad5d60c4234de83f185a939992b8c5c37

    SHA256

    63d30b37d6acdb85c3081fd95cb3a875227ee077e78d77822a833c699f7589ea

    SHA512

    25c6a51c2f1411772767fd96ca3aa790a78a6a8f61ef3a17f0fcec84e1ec6f8dc3c81f7870c6c849fde181e04352e941c19df26086f25e12f0f52e86f84899ab

  • memory/812-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/812-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/812-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/812-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/812-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/812-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/812-29-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/812-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/812-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/812-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/812-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/812-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/812-80-0x0000000001C20000-0x0000000001C22000-memory.dmp

    Filesize

    8KB

  • memory/812-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/812-71-0x0000000001C00000-0x0000000001C01000-memory.dmp

    Filesize

    4KB

  • memory/812-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1720-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2480-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2480-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2604-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-215-0x0000000003290000-0x00000000032E3000-memory.dmp

    Filesize

    332KB

  • memory/2604-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-150-0x0000000003290000-0x00000000032E3000-memory.dmp

    Filesize

    332KB

  • memory/2604-149-0x0000000003290000-0x00000000032E3000-memory.dmp

    Filesize

    332KB

  • memory/2604-148-0x0000000003290000-0x00000000032E3000-memory.dmp

    Filesize

    332KB

  • memory/2604-135-0x0000000003290000-0x00000000032E3000-memory.dmp

    Filesize

    332KB

  • memory/2604-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-223-0x0000000003290000-0x00000000032E3000-memory.dmp

    Filesize

    332KB

  • memory/2604-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-214-0x0000000003290000-0x00000000032E3000-memory.dmp

    Filesize

    332KB

  • memory/2920-251-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2920-178-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2920-167-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2920-245-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2920-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB