Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2022 18:35

General

  • Target

    tmp.exe

  • Size

    293KB

  • MD5

    960b0f8219762d17f6f47ee76275c7c1

  • SHA1

    ed0eaa1b2d7636d74713c86548842cdb72b8c8cd

  • SHA256

    b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5

  • SHA512

    06d9751f85266c92e666400dc911271e3354ca550a12a6e45386f46f23c56e02986d8a763f394ecbe470952379a752cb0ab26dee5dcc8d4cab84d28e34104ccc

  • SSDEEP

    6144:eqJT5/+TVlkf7jWDUaLOjYmCVdKrLVi2D9y4CUFHHv:e61+BIjbaafCi/Vi2D9yJU1

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

zgtb

Decoy

gabriellep.com

honghe4.xyz

anisaofrendas.com

happy-tile.com

thesulkies.com

international-ipo.com

tazeco.info

hhhzzz.xyz

vrmonster.xyz

theearthresidencia.com

sportape.xyz

elshadaibaterias.com

koredeiihibi.com

taxtaa.com

globalcityb.com

fxivcama.com

dagsmith.com

elmar-bhp.com

peakice.net

jhcdjewelry.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 4 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
        "Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\tmp.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%'
        3⤵
        • Drops startup file
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2620
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Adds policy Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1224
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:2600
        • C:\Windows\SysWOW64\cmd.exe
          /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
          3⤵
            PID:1856
          • C:\Windows\SysWOW64\cmd.exe
            /c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
            3⤵
              PID:4116
            • C:\Program Files\Mozilla Firefox\Firefox.exe
              "C:\Program Files\Mozilla Firefox\Firefox.exe"
              3⤵
                PID:4736
            • C:\Program Files (x86)\Zmzoxv4l\regsvc8ptx5pt.exe
              "C:\Program Files (x86)\Zmzoxv4l\regsvc8ptx5pt.exe"
              2⤵
              • Executes dropped EXE
              PID:748

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Defense Evasion

          Modify Registry

          3
          T1112

          Credential Access

          Credentials in Files

          1
          T1081

          Collection

          Data from Local System

          1
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Zmzoxv4l\regsvc8ptx5pt.exe
            Filesize

            55KB

            MD5

            fda8c8f2a4e100afb14c13dfcbcab2d2

            SHA1

            19dfd86294c4a525ba21c6af77681b2a9bbecb55

            SHA256

            99a2c778c9a6486639d0aff1a7d2d494c2b0dc4c7913ebcb7bfea50a2f1d0b09

            SHA512

            94f0ace37cae77be9935cf4fc8aaa94691343d3b38de5e16c663b902c220bff513cd02256c7af2d815a23dd30439582ddbb0880009c76bbf36ff8fbc1a6ddc18

          • C:\Program Files (x86)\Zmzoxv4l\regsvc8ptx5pt.exe
            Filesize

            55KB

            MD5

            fda8c8f2a4e100afb14c13dfcbcab2d2

            SHA1

            19dfd86294c4a525ba21c6af77681b2a9bbecb55

            SHA256

            99a2c778c9a6486639d0aff1a7d2d494c2b0dc4c7913ebcb7bfea50a2f1d0b09

            SHA512

            94f0ace37cae77be9935cf4fc8aaa94691343d3b38de5e16c663b902c220bff513cd02256c7af2d815a23dd30439582ddbb0880009c76bbf36ff8fbc1a6ddc18

          • C:\Users\Admin\AppData\Local\Temp\DB1
            Filesize

            40KB

            MD5

            b608d407fc15adea97c26936bc6f03f6

            SHA1

            953e7420801c76393902c0d6bb56148947e41571

            SHA256

            b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

            SHA512

            cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

          • C:\Users\Admin\AppData\Local\Temp\DB1
            Filesize

            48KB

            MD5

            349e6eb110e34a08924d92f6b334801d

            SHA1

            bdfb289daff51890cc71697b6322aa4b35ec9169

            SHA256

            c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

            SHA512

            2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

          • memory/748-168-0x0000000000CB0000-0x0000000000CC0000-memory.dmp
            Filesize

            64KB

          • memory/748-165-0x0000000000000000-mapping.dmp
          • memory/748-169-0x00000000059B0000-0x0000000005EDC000-memory.dmp
            Filesize

            5.2MB

          • memory/1224-151-0x0000000000000000-mapping.dmp
          • memory/1224-159-0x0000000001100000-0x000000000112B000-memory.dmp
            Filesize

            172KB

          • memory/1224-157-0x00000000017B0000-0x0000000001840000-memory.dmp
            Filesize

            576KB

          • memory/1224-156-0x0000000001900000-0x0000000001C4A000-memory.dmp
            Filesize

            3.3MB

          • memory/1224-154-0x0000000001100000-0x000000000112B000-memory.dmp
            Filesize

            172KB

          • memory/1224-153-0x0000000000890000-0x00000000008EA000-memory.dmp
            Filesize

            360KB

          • memory/1856-161-0x0000000000000000-mapping.dmp
          • memory/2436-134-0x0000000005A20000-0x0000000005ABC000-memory.dmp
            Filesize

            624KB

          • memory/2436-133-0x0000000005FD0000-0x0000000006574000-memory.dmp
            Filesize

            5.6MB

          • memory/2436-132-0x0000000000EC0000-0x0000000000F10000-memory.dmp
            Filesize

            320KB

          • memory/2592-160-0x00000000026A0000-0x000000000274F000-memory.dmp
            Filesize

            700KB

          • memory/2592-158-0x00000000026A0000-0x000000000274F000-memory.dmp
            Filesize

            700KB

          • memory/2592-146-0x0000000007EB0000-0x0000000007FE5000-memory.dmp
            Filesize

            1.2MB

          • memory/2600-155-0x0000000000000000-mapping.dmp
          • memory/2620-148-0x0000000007500000-0x0000000007596000-memory.dmp
            Filesize

            600KB

          • memory/2620-140-0x0000000005A90000-0x0000000005AB2000-memory.dmp
            Filesize

            136KB

          • memory/2620-147-0x0000000006320000-0x000000000633E000-memory.dmp
            Filesize

            120KB

          • memory/2620-149-0x00000000067F0000-0x000000000680A000-memory.dmp
            Filesize

            104KB

          • memory/2620-135-0x0000000000000000-mapping.dmp
          • memory/2620-150-0x0000000006850000-0x0000000006872000-memory.dmp
            Filesize

            136KB

          • memory/2620-136-0x0000000002A10000-0x0000000002A46000-memory.dmp
            Filesize

            216KB

          • memory/2620-143-0x0000000005CA0000-0x0000000005D06000-memory.dmp
            Filesize

            408KB

          • memory/2620-141-0x0000000005C30000-0x0000000005C96000-memory.dmp
            Filesize

            408KB

          • memory/2620-139-0x0000000005460000-0x0000000005A88000-memory.dmp
            Filesize

            6.2MB

          • memory/3860-145-0x0000000000EF0000-0x0000000000F01000-memory.dmp
            Filesize

            68KB

          • memory/3860-138-0x0000000000400000-0x000000000042B000-memory.dmp
            Filesize

            172KB

          • memory/3860-137-0x0000000000000000-mapping.dmp
          • memory/3860-144-0x00000000010D0000-0x000000000141A000-memory.dmp
            Filesize

            3.3MB

          • memory/3860-152-0x0000000000400000-0x000000000042B000-memory.dmp
            Filesize

            172KB

          • memory/4116-163-0x0000000000000000-mapping.dmp