Analysis

  • max time kernel
    115s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 16:11

General

  • Target

    1405730d81266ae23dae53711b03c6b9c83aacf7ecddea185e226feffee8090d.exe

  • Size

    1.2MB

  • MD5

    25d858ef217abf35efb1c319e8dd77c5

  • SHA1

    1a4e07b4226a2275d2a4fffc5317638f8d4b6a18

  • SHA256

    1405730d81266ae23dae53711b03c6b9c83aacf7ecddea185e226feffee8090d

  • SHA512

    409224d8deb7e10206155073d7112b910553683399c898cb81705458c43b7f4bbcd125957f7dcf55d7f988e3d38c50f0c2f36d13ad953890ab11e86c8eb665d2

  • SSDEEP

    24576:KdKnJlmwhG7vohKM4br2Vza6HR2zlPQxL/F99UljJes8lSnQQ:KCl7lYOLSes8lSQQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.norcalwholehousefans.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Pythonk2024!@#$

Extracted

Family

vipkeylogger

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • ModiLoader Second Stage 61 IoCs
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1405730d81266ae23dae53711b03c6b9c83aacf7ecddea185e226feffee8090d.exe
    "C:\Users\Admin\AppData\Local\Temp\1405730d81266ae23dae53711b03c6b9c83aacf7ecddea185e226feffee8090d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\rfqqcypE.cmd" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4044
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
        3⤵
          PID:2092
        • 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:3004
        • 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:396
        • 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:3936
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4456
          • 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:1680
        • C:\Windows \SysWOW64\per.exe
          "C:\\Windows \\SysWOW64\\per.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:4512
          • C:\Windows\SYSTEM32\esentutl.exe
            esentutl /y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe /d C:\\Users\\Public\\pha.pif /o
            4⤵
              PID:2508
            • C:\Users\Public\pha.pif
              C:\\Users\\Public\\pha.pif -WindowStyle hidden -Command Add-MpPreference -ExclusionPath 'C:\Users'
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3168
          • 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:3392
          • 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:4880
          • 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:4748
        • C:\Windows\SysWOW64\esentutl.exe
          C:\\Windows\\System32\\esentutl.exe /y C:\Users\Admin\AppData\Local\Temp\1405730d81266ae23dae53711b03c6b9c83aacf7ecddea185e226feffee8090d.exe /d C:\\Users\\Public\\Libraries\\Epycqqfr.PIF /o
          2⤵
            PID:2572
          • C:\Users\Public\Libraries\rfqqcypE.pif
            C:\Users\Public\Libraries\rfqqcypE.pif
            2⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:4368

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0jfqqh0v.ybo.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          Filesize

          60KB

          MD5

          b87f096cbc25570329e2bb59fee57580

          SHA1

          d281d1bf37b4fb46f90973afc65eece3908532b2

          SHA256

          d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

          SHA512

          72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

        • C:\Users\Public\Libraries\rfqqcypE.pif

          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\alpha.pif

          Filesize

          231KB

          MD5

          d0fce3afa6aa1d58ce9fa336cc2b675b

          SHA1

          4048488de6ba4bfef9edf103755519f1f762668f

          SHA256

          4d89fc34d5f0f9babd022271c585a9477bf41e834e46b991deaa0530fdb25e22

          SHA512

          80e127ef81752cd50f9ea2d662dc4d3bf8db8d29680e75fa5fc406ca22cafa5c4d89ef2eac65b486413d3cdd57a2c12a1cb75f65d1e312a717d262265736d1c2

        • C:\Users\Public\pha.pif

          Filesize

          442KB

          MD5

          04029e121a0cfa5991749937dd22a1d9

          SHA1

          f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

          SHA256

          9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

          SHA512

          6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

        • C:\Users\Public\xpha.pif

          Filesize

          18KB

          MD5

          b3624dd758ccecf93a1226cef252ca12

          SHA1

          fcf4dad8c4ad101504b1bf47cbbddbac36b558a7

          SHA256

          4aaa74f294c15aeb37ada8185d0dead58bd87276a01a814abc0c4b40545bf2ef

          SHA512

          c613d18511b00fa25fc7b1bdde10d96debb42a99b5aaab9e9826538d0e229085bb371f0197f6b1086c4f9c605f01e71287ffc5442f701a95d67c232a5f031838

        • C:\Windows \SysWOW64\netutils.dll

          Filesize

          115KB

          MD5

          fc9b64a2b1006891bf39ebf395b4eba8

          SHA1

          0e98ba291d77ff8a57b5ebe198ff0c2e6c2bea00

          SHA256

          1093d0809ed5223c8ea2d723032c0ee2bfd1d971ad6ac69904983ec545000b3d

          SHA512

          9d5a9716b71b436dd465cdf8ed8471747828420cec7c5dad3406072e53f8de6e31253968e55ef49dc19a8245993b00164f193a3752cc16fce3887c4737db906d

        • C:\Windows \SysWOW64\per.exe

          Filesize

          94KB

          MD5

          869640d0a3f838694ab4dfea9e2f544d

          SHA1

          bdc42b280446ba53624ff23f314aadb861566832

          SHA256

          0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

          SHA512

          6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

        • memory/2548-7-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-49-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-16-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-10-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-17-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-32-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-30-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-64-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-60-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-27-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-51-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-24-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-44-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-23-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-21-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-65-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-18-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-31-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-29-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-28-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-26-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-25-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-13-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-22-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-12-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-20-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-19-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-11-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-15-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-14-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-9-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-8-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-5-0x0000000000B30000-0x0000000000B31000-memory.dmp

          Filesize

          4KB

        • memory/2548-35-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-33-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-66-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-36-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-63-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-4-0x0000000000400000-0x0000000000535000-memory.dmp

          Filesize

          1.2MB

        • memory/2548-61-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-59-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-58-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-57-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-56-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-55-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-54-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-53-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-52-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-50-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-62-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-48-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-47-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-46-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-45-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-43-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-42-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-41-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-2-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-1-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-40-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-39-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-38-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-37-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-34-0x0000000002E70000-0x0000000003E70000-memory.dmp

          Filesize

          16.0MB

        • memory/2548-0-0x0000000000B30000-0x0000000000B31000-memory.dmp

          Filesize

          4KB

        • memory/3168-312-0x00000202BA7E0000-0x00000202BA802000-memory.dmp

          Filesize

          136KB

        • memory/4368-561-0x0000000020040000-0x0000000020090000-memory.dmp

          Filesize

          320KB

        • memory/4368-565-0x0000000022730000-0x0000000022CD4000-memory.dmp

          Filesize

          5.6MB

        • memory/4368-579-0x0000000022590000-0x00000000225DE000-memory.dmp

          Filesize

          312KB

        • memory/4368-593-0x00000000225E0000-0x000000002267C000-memory.dmp

          Filesize

          624KB

        • memory/4368-595-0x0000000023A60000-0x0000000023C22000-memory.dmp

          Filesize

          1.8MB

        • memory/4368-596-0x0000000023C70000-0x0000000023CC0000-memory.dmp

          Filesize

          320KB

        • memory/4368-597-0x0000000023D50000-0x000000002427C000-memory.dmp

          Filesize

          5.2MB

        • memory/4368-601-0x00000000242D0000-0x0000000024362000-memory.dmp

          Filesize

          584KB

        • memory/4368-602-0x0000000024500000-0x000000002450A000-memory.dmp

          Filesize

          40KB