Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 00:06

General

  • Target

    7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe

  • Size

    90KB

  • MD5

    4e0812882e1979a0a91e0f5b08149856

  • SHA1

    735b0599c89836e23d69c0c9ca80c3c549827eeb

  • SHA256

    7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993

  • SHA512

    b7a8d72ed01c1ecebf1cf496ea907ead758b1f6f14f1a8dc8c3b6fd33da09ec74b50caad83652993342a8103d592f6783fc499cfbc0e9ec68951ab411f99c1d0

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDl:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3X

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 2 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\7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe
    "C:\Users\Admin\AppData\Local\Temp\7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe
      "C:\Users\Admin\AppData\Local\Temp\7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WCDAJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1608
        • 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:2944
      • 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:2364
        • 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:836
        • 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:1436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    32bd9486ec463223f8a2e31e3c197d84

    SHA1

    2412fd115b90ec34be72ecee86b0aa3c1f04b7a0

    SHA256

    56692596e5130f1881754d0bf173b169812cf3995e15380ec7c3c97cacf17339

    SHA512

    bda6dcca2e8c2b9e0478d49b3512d38a8074ea9c042e8f2961d1059e4d1b900443463141e5522f3de44262e8ca7d7a6de533a7bd764e5d5e4cde7104a62e02f7

  • memory/836-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1436-260-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1436-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2364-150-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2364-156-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2364-212-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2364-177-0x0000000000640000-0x0000000000641000-memory.dmp

    Filesize

    4KB

  • memory/2364-166-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2364-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-61-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2552-85-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/2552-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2552-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-41-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2552-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-86-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/2552-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-29-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2552-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-71-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2552-79-0x00000000003C0000-0x00000000003C2000-memory.dmp

    Filesize

    8KB

  • memory/2552-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2552-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2552-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2788-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2788-146-0x0000000002930000-0x0000000002983000-memory.dmp

    Filesize

    332KB

  • memory/2788-145-0x0000000002930000-0x0000000002983000-memory.dmp

    Filesize

    332KB

  • memory/2788-144-0x0000000002930000-0x0000000002983000-memory.dmp

    Filesize

    332KB

  • memory/2788-147-0x0000000002930000-0x0000000002983000-memory.dmp

    Filesize

    332KB

  • memory/2788-148-0x0000000002930000-0x0000000002983000-memory.dmp

    Filesize

    332KB

  • memory/2788-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-211-0x0000000002930000-0x0000000002983000-memory.dmp

    Filesize

    332KB

  • memory/2788-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-250-0x0000000002930000-0x0000000002983000-memory.dmp

    Filesize

    332KB

  • memory/2788-249-0x0000000002930000-0x0000000002983000-memory.dmp

    Filesize

    332KB

  • memory/2788-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB