Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 15:56

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 9 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 43 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:4016
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\ucwoodiS.cmd" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:872
      • C:\Windows\SysWOW64\esentutl.exe
        C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
        3⤵
          PID:4736
        • 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:3404
        • 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:1820
        • 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:3848
        • 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:3940
          • 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:4244
        • C:\Windows \SysWOW64\per.exe
          "C:\\Windows \\SysWOW64\\per.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2128
          • C:\Windows\SYSTEM32\esentutl.exe
            esentutl /y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe /d C:\\Users\\Public\\pha.pif /o
            4⤵
              PID:4416
            • C:\Users\Public\pha.pif
              C:\\Users\\Public\\pha.pif -WindowStyle hidden -Command Add-MpPreference -ExclusionExtension '.exe','bat','.pif'
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:456
          • 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:1492
          • 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:1040
          • 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:1304
        • 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:1412
          • C:\Windows\SysWOW64\SndVol.exe
            C:\Windows\System32\SndVol.exe
            2⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:1484

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\remcos\logs.dat

          Filesize

          222B

          MD5

          c2cc695914962a18ae574bd6fa018ba6

          SHA1

          c689df66921410e7815d180730f21354e11b6f78

          SHA256

          96b0d7e1d9c525e00f41d65b35e6eb10c0c81084eb22301c741fa852a9dbaf5b

          SHA512

          abf5b1327877ce6f11dc5cfff526db660932276088c1ae9f110b2f8945c023f6b206743a43f98b0447b9cd6b18283ad4835c97cfa9fc43bdd14f01181bdd176e

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_js1opxsx.fw1.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          Filesize

          60KB

          MD5

          b87f096cbc25570329e2bb59fee57580

          SHA1

          d281d1bf37b4fb46f90973afc65eece3908532b2

          SHA256

          d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

          SHA512

          72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

        • 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

          c5db31551cb21105e3f0b3e467b91cc7

          SHA1

          c66fd7732973d9803ba0fd4323e8507876892310

          SHA256

          3fa23d8f7b7eeac6443e107bd70d0c6371afc1f8082d3d58fffd8685cf9e2193

          SHA512

          6d1ee4b55fb74dc093f52caf1e093ec2742af263ff8fa264cd61eea48c021c3438150ba12a8e9d694e7246fe296ea011d8b6313e8ee4476a63c7072c2990685e

        • C:\Windows \SysWOW64\per.exe

          Filesize

          94KB

          MD5

          869640d0a3f838694ab4dfea9e2f544d

          SHA1

          bdc42b280446ba53624ff23f314aadb861566832

          SHA256

          0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

          SHA512

          6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

        • memory/456-321-0x000002206A110000-0x000002206A132000-memory.dmp

          Filesize

          136KB

        • memory/4016-53-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-31-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-11-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-17-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-24-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-35-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-51-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-67-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-66-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-65-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-64-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-63-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-62-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-61-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-60-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-59-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-58-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-57-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-56-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-55-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-54-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-48-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-47-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-44-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-42-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-41-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-40-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-4-0x0000000000400000-0x0000000000568000-memory.dmp

          Filesize

          1.4MB

        • memory/4016-34-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-50-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-33-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-49-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-32-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-8-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-46-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-45-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-30-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-43-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-29-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-28-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-39-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-27-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-26-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-38-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-37-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-25-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-36-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-23-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-22-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-21-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-20-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-19-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-18-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-16-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-15-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-14-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-5-0x0000000002200000-0x0000000002201000-memory.dmp

          Filesize

          4KB

        • memory/4016-2-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-1-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-0-0x0000000002200000-0x0000000002201000-memory.dmp

          Filesize

          4KB

        • memory/4016-13-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-12-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-10-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-9-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB

        • memory/4016-7-0x0000000002B90000-0x0000000003B90000-memory.dmp

          Filesize

          16.0MB