Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/09/2024, 21:35

General

  • Target

    Factura.exe

  • Size

    1.4MB

  • MD5

    b7ae27c0f9ebaa19934b75ed05cea094

  • SHA1

    4f8be01c46092555a8fe4871e40733b6f29c4c70

  • SHA256

    c84953278a17d52f97efb2a10403d81e4f16e98dab2b4025d7049445e566e893

  • SHA512

    e7585276448216bdd78f136f942d7027b394fdcaf26e655d7672d09254785cb6e457363b475607c810ad956b18af7a7539896e1e4179d11974097f3ebee889de

  • SSDEEP

    24576:X/yPbQ/8GreJLDAvcFz7Q0U3VgAA2gUf3THW09jY86VxOsF:XYuUR7wg0gUf3Dtw

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 61 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Factura.exe
    "C:\Users\Admin\AppData\Local\Temp\Factura.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Libraries\ucwoodiS.cmd" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
        3⤵
          PID:2964
        • C:\Windows\SysWOW64\esentutl.exe
          C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\ping.exe /d C:\\Users\\Public\\xpha.pif /o
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          PID:2416
        • C:\Users\Public\alpha.pif
          C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows "
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:332
        • C:\Users\Public\alpha.pif
          C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows \SysWOW64"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2288
        • C:\Users\Public\alpha.pif
          C:\\Users\\Public\\alpha.pif /c C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2588
          • C:\Users\Public\xpha.pif
            C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1632
        • C:\Users\Public\alpha.pif
          C:\\Users\\Public\\alpha.pif /c del "C:\Users\Public\xpha.pif"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1300
        • C:\Users\Public\alpha.pif
          C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \SysWOW64
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:856
        • C:\Users\Public\alpha.pif
          C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1736
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl.exe /y C:\Users\Admin\AppData\Local\Temp\Factura.exe /d C:\\Users\\Public\\Libraries\\Sidoowcu.PIF /o
        2⤵
          PID:2336
        • C:\Windows\SysWOW64\colorcpl.exe
          C:\Windows\System32\colorcpl.exe
          2⤵
          • System Location Discovery: System Language Discovery
          PID:744

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\remcos\logs.dat

        Filesize

        146B

        MD5

        ddaa8a1ea8a4d24be98dea800738c363

        SHA1

        7a8160f51213342329e7d143ecdc8f042604a16a

        SHA256

        05b1969b9494ecc32e3c6eea4c54e68d35440dddc8d7f46564108de24ef8b69d

        SHA512

        468c110db504928eb4e0b5384dbac9260e9a5f76ede6dacb9ba13efc85f0800e91708f6ccf2c953421cf8832083410872a81f0fbd7e63c1a9ff48fc7ef418dac

      • C:\Users\Public\Libraries\ucwoodiS.cmd

        Filesize

        60KB

        MD5

        b87f096cbc25570329e2bb59fee57580

        SHA1

        d281d1bf37b4fb46f90973afc65eece3908532b2

        SHA256

        d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

        SHA512

        72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

      • C:\Users\Public\alpha.pif

        Filesize

        295KB

        MD5

        ad7b9c14083b52bc532fba5948342b98

        SHA1

        ee8cbf12d87c4d388f09b4f69bed2e91682920b5

        SHA256

        17f746d82695fa9b35493b41859d39d786d32b23a9d2e00f4011dec7a02402ae

        SHA512

        e12aad20c824187b39edb3c7943709290b5ddbf1b4032988db46f2e86da3cf7e7783f78c82e4dc5da232f666b8f9799a260a1f8e2694eb4d0cdaf78da710fde1

      • C:\Users\Public\xpha.pif

        Filesize

        15KB

        MD5

        6242e3d67787ccbf4e06ad2982853144

        SHA1

        6ac7947207d999a65890ab25fe344955da35028e

        SHA256

        4ca10dba7ff487fdb3f1362a3681d7d929f5aa1262cdfd31b04c30826983fb1d

        SHA512

        7d0d457e1537d624119a8023bcc086575696a5739c0460ef11554afac13af5e5d1edc7629a10e62834aba9f1b3ab1442011b15b4c3930399d91dca34b3b1cbaf

      • memory/1704-0-0x0000000000230000-0x0000000000231000-memory.dmp

        Filesize

        4KB

      • memory/1704-1-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-2-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-4-0x0000000000400000-0x0000000000568000-memory.dmp

        Filesize

        1.4MB

      • memory/1704-6-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-7-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-8-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-9-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-11-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-15-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-18-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-22-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-25-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-29-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-32-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-35-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-38-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-41-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-44-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-48-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-51-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-54-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-60-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-63-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-66-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-70-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-73-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-76-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-13-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-12-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-10-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-39-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-59-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-58-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-57-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-56-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-55-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-53-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-52-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-50-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-49-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-47-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-46-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-45-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-43-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-42-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-40-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-37-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-36-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-34-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-33-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-31-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-30-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-28-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-27-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-26-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-24-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-23-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-21-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-20-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-19-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-17-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-16-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB

      • memory/1704-14-0x0000000003290000-0x0000000004290000-memory.dmp

        Filesize

        16.0MB