Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2024 08:28

General

  • Target

    300920240059x.exe

  • Size

    1.4MB

  • MD5

    81c067dc4e31a48f590f84ed0baf221c

  • SHA1

    fa83ebb45efa14f0f88f0f00cf63bc9a46880911

  • SHA256

    3fc1433cd0c6745b46ddc85b7fdde0d73ef45821af2a2b8d16cbc2c19df92fff

  • SHA512

    02ef9c19fb21ba427ab01ad5412b7b45a0ee8a86d178e149c63ab6b76469892851ecf5e3934b79b1865590ac014a31a6f2603e8e53cfd759b8a7398c5a0ba1bb

  • SSDEEP

    24576:yDE6kndjL6i8soGiR01lqY21j+qP3THodi3PGy7:yAhtaA2x+83zodij

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 10 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\300920240059x.exe
    "C:\Users\Admin\AppData\Local\Temp\300920240059x.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Libraries\lxsyrsiW.cmd" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
        3⤵
          PID:1760
        • 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:2932
        • 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:2960
        • 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:2928
        • 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:1672
          • 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:2172
        • C:\Windows \SysWOW64\per.exe
          "C:\\Windows \\SysWOW64\\per.exe
          3⤵
          • Executes dropped EXE
          PID:1664
        • C:\Windows \SysWOW64\per.exe
          "C:\Windows \SysWOW64\per.exe"
          3⤵
          • Executes dropped EXE
          PID:2232
        • 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:580
        • 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:3056
        • 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:1476
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl.exe /y C:\Users\Admin\AppData\Local\Temp\300920240059x.exe /d C:\\Users\\Public\\Libraries\\Wisrysxl.PIF /o
        2⤵
          PID:1580
        • C:\Users\Public\Libraries\lxsyrsiW.pif
          C:\Users\Public\Libraries\lxsyrsiW.pif
          2⤵
          • Executes dropped EXE
          PID:2644

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Public\Libraries\lxsyrsiW.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

      • C:\Windows \SysWOW64\per.exe

        Filesize

        94KB

        MD5

        869640d0a3f838694ab4dfea9e2f544d

        SHA1

        bdc42b280446ba53624ff23f314aadb861566832

        SHA256

        0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

        SHA512

        6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

      • \Users\Public\Libraries\lxsyrsiW.pif

        Filesize

        66KB

        MD5

        c116d3604ceafe7057d77ff27552c215

        SHA1

        452b14432fb5758b46f2897aeccd89f7c82a727d

        SHA256

        7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

        SHA512

        9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

      • memory/2460-50-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-22-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-1-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-4-0x0000000000400000-0x000000000057B000-memory.dmp

        Filesize

        1.5MB

      • memory/2460-6-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-7-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-8-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-9-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-10-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-11-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-57-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-12-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-14-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-18-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-16-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-21-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-23-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-26-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-28-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-30-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-25-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-35-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-33-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-39-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-41-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-37-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-43-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-48-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-46-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

        Filesize

        4KB

      • memory/2460-19-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-2-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-13-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-59-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-62-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-64-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-66-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-69-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-71-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-73-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-76-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-78-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-80-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-83-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-85-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-49-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-47-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-45-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-44-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-42-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-40-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-38-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-36-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-34-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-32-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-31-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-29-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-27-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-24-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-55-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-20-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-53-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-17-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB

      • memory/2460-15-0x0000000003370000-0x0000000004370000-memory.dmp

        Filesize

        16.0MB