Analysis

  • max time kernel
    91s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 13:47

General

  • Target

    51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe

  • Size

    112KB

  • MD5

    2d4502477f58de2c67769ac8b1bfa730

  • SHA1

    7a1a788b02be10003b9264be36d54356d1a8c791

  • SHA256

    51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922f

  • SHA512

    aee2322b8af644a76c6748072f84cf4a7ea4e1c5808e050f61b82ef751fbfae1eccb304741a6f279b655ba5660bc45024051c423f0b8a809113c57b354b2b81f

  • SSDEEP

    1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJn:tVIr7zI+fAceoGxSKKo5n

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 3 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 5 IoCs
  • UPX packed file 11 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).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 58 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe
    "C:\Users\Admin\AppData\Local\Temp\51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
        PID:2608
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 12
          3⤵
          • Program crash
          PID:2052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 52
          3⤵
          • Program crash
          PID:2440
      • C:\Users\Admin\AppData\Local\Temp\51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe
        "C:\Users\Admin\AppData\Local\Temp\51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5100
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NAMUM.bat" "
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1876
          • C:\Windows\SysWOW64\reg.exe
            REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
            4⤵
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            PID:1388
        • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4196
          • C:\Windows\SysWOW64\svchost.exe
            "C:\Windows\system32\svchost.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:1396
          • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1392
          • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2608 -ip 2608
      1⤵
        PID:4488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2608 -ip 2608
        1⤵
          PID:2216

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          148B

          MD5

          3a4614705555abb049c3298e61170b7f

          SHA1

          c8686410756f346d9551256a5b878b04770950ba

          SHA256

          cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

          SHA512

          65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

          Filesize

          112KB

          MD5

          611ef83aaf4f236c04f0c1bc0cc79d71

          SHA1

          774ce38a6db55ead12afe483ef14267632d0cfa3

          SHA256

          92a57c526f17bfd4ee5e2ffd0e4a3977ca5d50a8607065aadb8a8ce733403d97

          SHA512

          c31231d59ba898cbc0268a6ec9c4cc8aff460c88706407cb16c1363239b9e9294b6c9f3b73e07c36316b3c19c51ee37492019dffac96a78da1b933be7a2c1c84

        • memory/444-62-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/444-61-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/444-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/444-56-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/444-72-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1392-68-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1396-69-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1396-54-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1396-44-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1396-49-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/2608-6-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4056-7-0x0000000002D30000-0x0000000002D32000-memory.dmp

          Filesize

          8KB

        • memory/4056-9-0x0000000002A10000-0x0000000002A12000-memory.dmp

          Filesize

          8KB

        • memory/4056-5-0x0000000002CC0000-0x0000000002CC2000-memory.dmp

          Filesize

          8KB

        • memory/4056-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

          Filesize

          8KB

        • memory/4056-4-0x0000000002C70000-0x0000000002C72000-memory.dmp

          Filesize

          8KB

        • memory/4056-2-0x0000000002A10000-0x0000000002A12000-memory.dmp

          Filesize

          8KB

        • memory/4196-41-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4196-43-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4196-64-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4196-40-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4196-39-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/5100-42-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/5100-67-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/5100-13-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/5100-11-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/5100-8-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB