Analysis

  • max time kernel
    101s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 12:59

General

  • Target

    261fe4ab8af0245f68c72498bab400da69443d52094cb95fb527638e95050302.exe

  • Size

    112KB

  • MD5

    e75721ec0143e545a15fee81e2e6358b

  • SHA1

    903a3abb30e8b2534c767f61dca7a27f48c6a6d9

  • SHA256

    261fe4ab8af0245f68c72498bab400da69443d52094cb95fb527638e95050302

  • SHA512

    642934dd8a31578087de96f89105836891b309b544b25589468b770c714d928ba5a4cd825791a6baa4f6c354934cd3258bb501e5a827f8db2393abb59de1f74a

  • SSDEEP

    1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJG:tVIr7zI+fAceoGxSKKo5G

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 5 IoCs
  • UPX packed file 12 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\261fe4ab8af0245f68c72498bab400da69443d52094cb95fb527638e95050302.exe
    "C:\Users\Admin\AppData\Local\Temp\261fe4ab8af0245f68c72498bab400da69443d52094cb95fb527638e95050302.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
        PID:1964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 12
          3⤵
          • Program crash
          PID:2416
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 52
          3⤵
          • Program crash
          PID:2520
      • C:\Users\Admin\AppData\Local\Temp\261fe4ab8af0245f68c72498bab400da69443d52094cb95fb527638e95050302.exe
        "C:\Users\Admin\AppData\Local\Temp\261fe4ab8af0245f68c72498bab400da69443d52094cb95fb527638e95050302.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1588
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FUVTB.bat" "
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3836
          • 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:3584
        • 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:1884
          • 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:1132
          • 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:4656
          • 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:2768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1964 -ip 1964
      1⤵
        PID:1032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1964 -ip 1964
        1⤵
          PID:4472

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          148B

          MD5

          3a4614705555abb049c3298e61170b7f

          SHA1

          c8686410756f346d9551256a5b878b04770950ba

          SHA256

          cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

          SHA512

          65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

          Filesize

          112KB

          MD5

          9a572b9101a7e413acb612c37178de38

          SHA1

          fc04b13577580d624d8f7b867dc51c4b5f4f3025

          SHA256

          2b43d9d329add26d0847ba2b1427151c15e687ae8cee722589524a35e419425e

          SHA512

          28e05c4d52fbdec0c36f53f1fc6f27fa27dd00cb664d3f54fc8abfa116a182155b67bf75480d262c1b88beda12cd83f5c1e049c61e761a863e53527cd040ecdd

        • memory/1132-71-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1132-47-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1132-50-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1132-44-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1132-55-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1588-42-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1588-69-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1588-9-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1588-11-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1588-13-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1884-65-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/1884-40-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/1884-39-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/1884-41-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/1884-43-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/1964-7-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2768-61-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2768-59-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2768-66-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2768-62-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2768-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2768-72-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2976-8-0x0000000002D30000-0x0000000002D32000-memory.dmp

          Filesize

          8KB

        • memory/2976-3-0x0000000002C40000-0x0000000002C42000-memory.dmp

          Filesize

          8KB

        • memory/2976-6-0x0000000002CC0000-0x0000000002CC2000-memory.dmp

          Filesize

          8KB

        • memory/2976-4-0x0000000002C70000-0x0000000002C72000-memory.dmp

          Filesize

          8KB

        • memory/2976-5-0x0000000002C80000-0x0000000002C82000-memory.dmp

          Filesize

          8KB

        • memory/2976-2-0x0000000002C20000-0x0000000002C22000-memory.dmp

          Filesize

          8KB

        • memory/4656-70-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB