Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2022 09:30

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

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 4 IoCs
  • Adds policy Run key to start application 2 TTPs 2 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 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3340
      • 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:1072
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:5080
        • 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:4268
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\SysWOW64\svchost.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
        PID:2652
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:3448
          • 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:3496
            • 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:2052
              • C:\Program Files\Mozilla Firefox\Firefox.exe
                "C:\Program Files\Mozilla Firefox\Firefox.exe"
                3⤵
                  PID:1676

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Persistence

            Registry Run Keys / Startup Folder

            1
            T1060

            Defense Evasion

            Modify Registry

            2
            T1112

            Credential Access

            Credentials in Files

            1
            T1081

            Collection

            Data from Local System

            1
            T1005

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • 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/1072-151-0x00000000062D0000-0x00000000062F2000-memory.dmp
              Filesize

              136KB

            • memory/1072-135-0x0000000000000000-mapping.dmp
            • memory/1072-136-0x0000000002490000-0x00000000024C6000-memory.dmp
              Filesize

              216KB

            • memory/1072-148-0x0000000005DB0000-0x0000000005DCE000-memory.dmp
              Filesize

              120KB

            • memory/1072-150-0x0000000006280000-0x000000000629A000-memory.dmp
              Filesize

              104KB

            • memory/1072-140-0x0000000004EA0000-0x00000000054C8000-memory.dmp
              Filesize

              6.2MB

            • memory/1072-141-0x0000000005510000-0x0000000005532000-memory.dmp
              Filesize

              136KB

            • memory/1072-142-0x00000000056B0000-0x0000000005716000-memory.dmp
              Filesize

              408KB

            • memory/1072-143-0x0000000005720000-0x0000000005786000-memory.dmp
              Filesize

              408KB

            • memory/1072-149-0x0000000006F60000-0x0000000006FF6000-memory.dmp
              Filesize

              600KB

            • memory/2052-164-0x0000000000000000-mapping.dmp
            • memory/2652-155-0x0000000001100000-0x000000000112B000-memory.dmp
              Filesize

              172KB

            • memory/2652-152-0x0000000000000000-mapping.dmp
            • memory/2652-159-0x0000000001100000-0x000000000112B000-memory.dmp
              Filesize

              172KB

            • memory/2652-158-0x0000000001A00000-0x0000000001A90000-memory.dmp
              Filesize

              576KB

            • memory/2652-157-0x0000000001C00000-0x0000000001F4A000-memory.dmp
              Filesize

              3.3MB

            • memory/2652-154-0x0000000000B80000-0x0000000000B8E000-memory.dmp
              Filesize

              56KB

            • memory/2948-161-0x0000000007CE0000-0x0000000007E18000-memory.dmp
              Filesize

              1.2MB

            • memory/2948-171-0x0000000002830000-0x0000000002840000-memory.dmp
              Filesize

              64KB

            • memory/2948-176-0x0000000002970000-0x0000000002980000-memory.dmp
              Filesize

              64KB

            • memory/2948-175-0x0000000002970000-0x0000000002980000-memory.dmp
              Filesize

              64KB

            • memory/2948-174-0x0000000002960000-0x0000000002970000-memory.dmp
              Filesize

              64KB

            • memory/2948-173-0x0000000000B20000-0x0000000000B30000-memory.dmp
              Filesize

              64KB

            • memory/2948-172-0x00000000027F0000-0x0000000002800000-memory.dmp
              Filesize

              64KB

            • memory/2948-160-0x0000000007CE0000-0x0000000007E18000-memory.dmp
              Filesize

              1.2MB

            • memory/2948-170-0x00000000027E0000-0x00000000027F0000-memory.dmp
              Filesize

              64KB

            • memory/2948-147-0x0000000002980000-0x0000000002A70000-memory.dmp
              Filesize

              960KB

            • memory/2948-169-0x00000000027F0000-0x0000000002800000-memory.dmp
              Filesize

              64KB

            • memory/2948-168-0x0000000002830000-0x0000000002840000-memory.dmp
              Filesize

              64KB

            • memory/2948-167-0x00000000027E0000-0x00000000027F0000-memory.dmp
              Filesize

              64KB

            • memory/2948-166-0x0000000000B20000-0x0000000000B30000-memory.dmp
              Filesize

              64KB

            • memory/3340-133-0x00000000050D0000-0x0000000005674000-memory.dmp
              Filesize

              5.6MB

            • memory/3340-134-0x0000000004BC0000-0x0000000004C5C000-memory.dmp
              Filesize

              624KB

            • memory/3340-132-0x0000000000070000-0x00000000000C0000-memory.dmp
              Filesize

              320KB

            • memory/3448-156-0x0000000000000000-mapping.dmp
            • memory/3496-162-0x0000000000000000-mapping.dmp
            • memory/4268-146-0x00000000015F0000-0x0000000001601000-memory.dmp
              Filesize

              68KB

            • memory/4268-153-0x0000000000400000-0x000000000042B000-memory.dmp
              Filesize

              172KB

            • memory/4268-145-0x00000000016A0000-0x00000000019EA000-memory.dmp
              Filesize

              3.3MB

            • memory/4268-139-0x0000000000400000-0x000000000042B000-memory.dmp
              Filesize

              172KB

            • memory/4268-138-0x0000000000000000-mapping.dmp
            • memory/5080-137-0x0000000000000000-mapping.dmp