Analysis

  • max time kernel
    152s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-09-2021 06:13

General

  • Target

    Payment Advice.exe

  • Size

    992KB

  • MD5

    4f25ed58038558b2e83f18896b245791

  • SHA1

    80be9861fa9f10581fc77e0c4a1405dd5042365d

  • SHA256

    03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6

  • SHA512

    8e586af0f9214b59075811bb15779ef7460e436c18c1995c70d3aafb3c6cb4d5def9671ae829df49d294588845f34e997b9b293366f289b3c7f782b55aa6dd63

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1364
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
        "{path}"
        3⤵
          PID:1636
        • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
          "{path}"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1644
          • C:\Windows\SysWOW64\wininit.exe
            "C:\Windows\SysWOW64\wininit.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1668
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
              5⤵
              • Deletes itself
              PID:1220
      • C:\Windows\SysWOW64\autochk.exe
        "C:\Windows\SysWOW64\autochk.exe"
        2⤵
          PID:1852
        • C:\Windows\SysWOW64\autochk.exe
          "C:\Windows\SysWOW64\autochk.exe"
          2⤵
            PID:1616
          • C:\Windows\SysWOW64\autochk.exe
            "C:\Windows\SysWOW64\autochk.exe"
            2⤵
              PID:372
            • C:\Windows\SysWOW64\autochk.exe
              "C:\Windows\SysWOW64\autochk.exe"
              2⤵
                PID:592
              • C:\Windows\SysWOW64\autochk.exe
                "C:\Windows\SysWOW64\autochk.exe"
                2⤵
                  PID:576
                • C:\Windows\SysWOW64\autochk.exe
                  "C:\Windows\SysWOW64\autochk.exe"
                  2⤵
                    PID:680
                  • C:\Windows\SysWOW64\autochk.exe
                    "C:\Windows\SysWOW64\autochk.exe"
                    2⤵
                      PID:468
                    • C:\Windows\SysWOW64\autochk.exe
                      "C:\Windows\SysWOW64\autochk.exe"
                      2⤵
                        PID:780
                      • C:\Windows\SysWOW64\autochk.exe
                        "C:\Windows\SysWOW64\autochk.exe"
                        2⤵
                          PID:876
                        • C:\Windows\SysWOW64\autochk.exe
                          "C:\Windows\SysWOW64\autochk.exe"
                          2⤵
                            PID:516
                          • C:\Windows\SysWOW64\autochk.exe
                            "C:\Windows\SysWOW64\autochk.exe"
                            2⤵
                              PID:1456
                            • C:\Windows\SysWOW64\autochk.exe
                              "C:\Windows\SysWOW64\autochk.exe"
                              2⤵
                                PID:1196
                              • C:\Windows\SysWOW64\autochk.exe
                                "C:\Windows\SysWOW64\autochk.exe"
                                2⤵
                                  PID:568
                                • C:\Windows\SysWOW64\autochk.exe
                                  "C:\Windows\SysWOW64\autochk.exe"
                                  2⤵
                                    PID:1740
                                  • C:\Windows\SysWOW64\autochk.exe
                                    "C:\Windows\SysWOW64\autochk.exe"
                                    2⤵
                                      PID:1404
                                    • C:\Windows\SysWOW64\autochk.exe
                                      "C:\Windows\SysWOW64\autochk.exe"
                                      2⤵
                                        PID:1752

                                    Network

                                    MITRE ATT&CK Matrix

                                    Replay Monitor

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                                    Downloads

                                    • memory/1220-72-0x0000000000000000-mapping.dmp
                                    • memory/1364-65-0x0000000006440000-0x0000000006574000-memory.dmp
                                      Filesize

                                      1.2MB

                                    • memory/1364-74-0x0000000008C60000-0x0000000008DE8000-memory.dmp
                                      Filesize

                                      1.5MB

                                    • memory/1364-67-0x0000000006FE0000-0x00000000070FE000-memory.dmp
                                      Filesize

                                      1.1MB

                                    • memory/1612-60-0x0000000000500000-0x000000000052B000-memory.dmp
                                      Filesize

                                      172KB

                                    • memory/1612-59-0x0000000005090000-0x000000000510B000-memory.dmp
                                      Filesize

                                      492KB

                                    • memory/1612-56-0x0000000001230000-0x0000000001231000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/1612-57-0x000000007EF40000-0x000000007EF41000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/1612-58-0x0000000000310000-0x000000000031E000-memory.dmp
                                      Filesize

                                      56KB

                                    • memory/1612-54-0x0000000001320000-0x0000000001321000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/1644-66-0x0000000000290000-0x00000000002A1000-memory.dmp
                                      Filesize

                                      68KB

                                    • memory/1644-63-0x0000000000880000-0x0000000000B83000-memory.dmp
                                      Filesize

                                      3.0MB

                                    • memory/1644-64-0x0000000000250000-0x0000000000261000-memory.dmp
                                      Filesize

                                      68KB

                                    • memory/1644-62-0x000000000041D3A0-mapping.dmp
                                    • memory/1644-61-0x0000000000400000-0x0000000000429000-memory.dmp
                                      Filesize

                                      164KB

                                    • memory/1668-68-0x0000000000000000-mapping.dmp
                                    • memory/1668-69-0x0000000000580000-0x000000000059A000-memory.dmp
                                      Filesize

                                      104KB

                                    • memory/1668-70-0x0000000000080000-0x00000000000A9000-memory.dmp
                                      Filesize

                                      164KB

                                    • memory/1668-71-0x0000000002180000-0x0000000002483000-memory.dmp
                                      Filesize

                                      3.0MB

                                    • memory/1668-73-0x00000000005A0000-0x0000000000630000-memory.dmp
                                      Filesize

                                      576KB