Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 08:32

General

  • Target

    031020240441x.exe

  • Size

    1.5MB

  • MD5

    ecf3199706ba49d6bb45b0e34a310a80

  • SHA1

    777c33cac377231d97a0e0b710b6ba44840d2548

  • SHA256

    866e2794cc1ae74f3b18b3cfd3e98edea83f6eaf2bf3121f88df4caf2f2e0fd1

  • SHA512

    d6965a55bacc37350175f9000b4537cce571840f6e2922c7b826744567cb63a203fc7bd6c50b1b70ec73a5be0fe14fef62118d1b0ef007782ea51e41a37e7871

  • SSDEEP

    24576:SMPbnR3IqWwQ16oEMN22K+mEZ+JNP+jK37K3evi91e:SMl49tRYjde+v93Fa9

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\031020240441x.exe
    "C:\Users\Admin\AppData\Local\Temp\031020240441x.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:1956
    • 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:2952
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
        3⤵
          PID:2672
        • 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:2968
        • 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:2144
        • 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:2504
        • 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:1872
          • 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:3036
        • C:\Windows \SysWOW64\per.exe
          "C:\\Windows \\SysWOW64\\per.exe
          3⤵
          • Executes dropped EXE
          PID:2784
        • C:\Windows \SysWOW64\per.exe
          "C:\Windows \SysWOW64\per.exe"
          3⤵
          • Executes dropped EXE
          PID:1076
        • 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:900
        • 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:1304
        • 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:1676
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl.exe /y C:\Users\Admin\AppData\Local\Temp\031020240441x.exe /d C:\\Users\\Public\\Libraries\\Wisrysxl.PIF /o
        2⤵
          PID:2160
        • C:\Users\Public\Libraries\lxsyrsiW.pif
          C:\Users\Public\Libraries\lxsyrsiW.pif
          2⤵
          • Executes dropped EXE
          PID:1724

      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/1956-51-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-23-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-1-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-4-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/1956-6-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-7-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-8-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-9-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-10-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-11-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-29-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-14-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-13-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-17-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-20-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-24-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-22-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-28-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-30-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-32-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-33-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-38-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-39-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-43-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-44-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-45-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-49-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-47-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-54-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-0-0x00000000001C0000-0x00000000001C1000-memory.dmp

        Filesize

        4KB

      • memory/1956-18-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-2-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-12-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-56-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-26-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-19-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-61-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-58-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-63-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-66-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-68-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-73-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-70-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-74-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-77-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-79-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-81-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-84-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-85-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-48-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-46-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-42-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-41-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-37-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-36-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-34-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-31-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-27-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-25-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-35-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-21-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-40-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-16-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB

      • memory/1956-15-0x0000000003530000-0x0000000004530000-memory.dmp

        Filesize

        16.0MB