Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21/06/2022, 11:08

General

  • Target

    d2d37362b56af2703f2c3dcfb36b56b4.exe

  • Size

    370KB

  • MD5

    d2d37362b56af2703f2c3dcfb36b56b4

  • SHA1

    06c6acc7060fb356d5bc7693f8d4bcecbbb4fb62

  • SHA256

    04e6039e29e0b8f6fb1ec1502a3225c74c4c18f6c0ba1ce10eb2c834ede7f149

  • SHA512

    c6dc602d4785b3e0cab4d1cfd033c13dd29b8fe0e22439f11c74381af4350eea7f7ce392c3461878f855b4e267e8c104c0a6547ff9d946c50d80731212691307

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.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • suricata: ET MALWARE FormBook CnC Checkin (POST) M2

    suricata: ET MALWARE FormBook CnC Checkin (POST) M2

  • Xloader Payload 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Users\Admin\AppData\Local\Temp\d2d37362b56af2703f2c3dcfb36b56b4.exe
      "C:\Users\Admin\AppData\Local\Temp\d2d37362b56af2703f2c3dcfb36b56b4.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3124
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2212
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Adds 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:1724
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
          PID:2100
        • 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:220
          • 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:3924
            • C:\Program Files\Mozilla Firefox\Firefox.exe
              "C:\Program Files\Mozilla Firefox\Firefox.exe"
              3⤵
                PID:2432

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                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/8-137-0x00000000087B0000-0x00000000088FE000-memory.dmp

                  Filesize

                  1.3MB

                • memory/8-143-0x00000000087B0000-0x00000000088FE000-memory.dmp

                  Filesize

                  1.3MB

                • memory/8-147-0x0000000003250000-0x0000000003321000-memory.dmp

                  Filesize

                  836KB

                • memory/8-145-0x0000000003250000-0x0000000003321000-memory.dmp

                  Filesize

                  836KB

                • memory/1724-139-0x00000000007F0000-0x00000000007F7000-memory.dmp

                  Filesize

                  28KB

                • memory/1724-140-0x0000000000F30000-0x0000000000F5B000-memory.dmp

                  Filesize

                  172KB

                • memory/1724-146-0x0000000000F30000-0x0000000000F5B000-memory.dmp

                  Filesize

                  172KB

                • memory/1724-142-0x0000000001B30000-0x0000000001E7A000-memory.dmp

                  Filesize

                  3.3MB

                • memory/1724-144-0x00000000016A0000-0x0000000001730000-memory.dmp

                  Filesize

                  576KB

                • memory/2212-136-0x0000000001980000-0x0000000001991000-memory.dmp

                  Filesize

                  68KB

                • memory/2212-135-0x00000000019D0000-0x0000000001D1A000-memory.dmp

                  Filesize

                  3.3MB

                • memory/2212-134-0x0000000000400000-0x000000000042B000-memory.dmp

                  Filesize

                  172KB

                • memory/2212-132-0x0000000000400000-0x000000000042B000-memory.dmp

                  Filesize

                  172KB

                • memory/3124-130-0x0000000000920000-0x0000000000982000-memory.dmp

                  Filesize

                  392KB