Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 05:11

General

  • Target

    021020240151x.exe

  • Size

    1.1MB

  • MD5

    4ddb14680584c0546ccbc70b8d0411c4

  • SHA1

    1ff45158480cc901c99079f02b82d4a40163be7a

  • SHA256

    1d8968fc899fd0ccb7737c1019808f034eb86e7c55359681f7e51cf1982ba07e

  • SHA512

    18542630cb735f45b0cf8bf9f7b64bcb6110dc21e94e83bd25007afc6a2677660ba46ff2c83c0c040c4bf8fb3d22f30089dee655822313f6d72b1f75fb8d2d4d

  • SSDEEP

    24576:cBMP2iSAAicPschqrDG3oxxRa/hoKg97y4zuaRacKHT:cOP+wm3Aihg9XzuaRe

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\021020240151x.exe
    "C:\Users\Admin\AppData\Local\Temp\021020240151x.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:596
    • 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:1940
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
        3⤵
          PID:2280
        • 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:2380
        • 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:380
        • 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:2388
        • 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:348
          • 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:1732
        • C:\Windows \SysWOW64\per.exe
          "C:\\Windows \\SysWOW64\\per.exe
          3⤵
          • Executes dropped EXE
          PID:1232
        • C:\Windows \SysWOW64\per.exe
          "C:\Windows \SysWOW64\per.exe"
          3⤵
          • Executes dropped EXE
          PID:1916
        • 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:1624
        • 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:1944
        • 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:912
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl.exe /y C:\Users\Admin\AppData\Local\Temp\021020240151x.exe /d C:\\Users\\Public\\Libraries\\Wisrysxl.PIF /o
        2⤵
          PID:852
        • C:\Users\Public\Libraries\lxsyrsiW.pif
          C:\Users\Public\Libraries\lxsyrsiW.pif
          2⤵
          • Executes dropped EXE
          PID:3068

      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/596-15-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-18-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-2-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-5-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-6-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-7-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-9-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-12-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-14-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-17-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-38-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-26-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-29-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-34-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-37-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-42-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-44-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-48-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-51-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-55-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-58-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-61-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-64-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-67-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-71-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-8-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-77-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-80-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-83-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-0-0x0000000000240000-0x0000000000241000-memory.dmp

        Filesize

        4KB

      • memory/596-13-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-1-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-21-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-46-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-54-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-56-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-53-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-52-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-50-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-49-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-47-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-45-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-43-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-41-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-40-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-39-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-92-0x0000000000400000-0x000000000051E000-memory.dmp

        Filesize

        1.1MB

      • memory/596-36-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-35-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-33-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-31-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-30-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-28-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-27-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-25-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-24-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-23-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-22-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-19-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-32-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-16-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-20-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-11-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB

      • memory/596-10-0x00000000035A0000-0x00000000045A0000-memory.dmp

        Filesize

        16.0MB