Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-02-2023 15:34

General

  • Target

    Kvruwfvhsjzetg.exe

  • Size

    1.1MB

  • MD5

    f642f03706a86b22eff5b8764edaed56

  • SHA1

    8a3a217ebda9437299765e7eb246494305086c01

  • SHA256

    d6c7872a47c2b39878c40fc9e9af3fe41c829d425814bdc331d4c2b48efc7f19

  • SHA512

    a6632ce0eb90359678e32d54073040b99d5cb498d80ebda17acc833830db89234f924623293497631eab4e3f0538c6acde6111a38b0e55e29f1669a2d71f9219

  • SSDEEP

    12288:oX8lOqFSsZ40z3QjB2lr5fPx7Zh70WoQzV9hBoSFhAf1nAhglR:Q8ltFSQ3AB2zp7pcf1nAhglR

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

uj3c

Decoy

copimetro.com

choonchain.com

luxxwireless.com

fashionweekofcincinnati.com

campingshare.net

suncochina.com

kidsfundoor.com

testingnyc.co

lovesoe.com

vehiclesbeenrecord.com

socialpearmarketing.com

maxproductdji.com

getallarticle.online

forummind.com

arenamarenostrum.com

trisuaka.xyz

designgamagazine.com

chateaulehotel.com

huangse5.com

esginvestment.tech

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • ModiLoader Second Stage 1 IoCs
  • Xloader payload 4 IoCs
  • Executes dropped EXE 1 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 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 24 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:1040
    • C:\Users\Admin\AppData\Local\Temp\Kvruwfvhsjzetg.exe
      "C:\Users\Admin\AppData\Local\Temp\Kvruwfvhsjzetg.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\colorcpl.exe
        C:\Windows\System32\colorcpl.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1012
    • C:\Windows\SysWOW64\raserver.exe
      "C:\Windows\SysWOW64\raserver.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:2216
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\colorcpl.exe"
        3⤵
          PID:4068
        • 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:4052
          • 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:4112
            • C:\Program Files\Mozilla Firefox\Firefox.exe
              "C:\Program Files\Mozilla Firefox\Firefox.exe"
              3⤵
                PID:4160
            • C:\Program Files (x86)\Vqfh\ex_hjlmd5hjlz.exe
              "C:\Program Files (x86)\Vqfh\ex_hjlmd5hjlz.exe"
              2⤵
              • Executes dropped EXE
              PID:4420

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Vqfh\ex_hjlmd5hjlz.exe

            Filesize

            84KB

            MD5

            db71e132ebf1feb6e93e8a2a0f0c903d

            SHA1

            7e9b267faee4593df44e41b0a5fb900de62060fb

            SHA256

            2e5e0b8fe1c6a6314145e404c46acc4ff227ad63d0f2765d5458d0c4cb80c110

            SHA512

            9f3b00a452b5d528ac27ec0d100a938753a70a300e7eadc40a3e4456c6223fd8d61393d3ee6995f2d6d0adec4ae48296b4c04abb89a28fecf82dec5b0975583e

          • C:\Program Files (x86)\Vqfh\ex_hjlmd5hjlz.exe

            Filesize

            84KB

            MD5

            db71e132ebf1feb6e93e8a2a0f0c903d

            SHA1

            7e9b267faee4593df44e41b0a5fb900de62060fb

            SHA256

            2e5e0b8fe1c6a6314145e404c46acc4ff227ad63d0f2765d5458d0c4cb80c110

            SHA512

            9f3b00a452b5d528ac27ec0d100a938753a70a300e7eadc40a3e4456c6223fd8d61393d3ee6995f2d6d0adec4ae48296b4c04abb89a28fecf82dec5b0975583e

          • 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/1012-142-0x0000000010410000-0x000000001043B000-memory.dmp

            Filesize

            172KB

          • memory/1012-134-0x0000000000000000-mapping.dmp

          • memory/1012-138-0x0000000005710000-0x0000000005A5A000-memory.dmp

            Filesize

            3.3MB

          • memory/1012-139-0x0000000005600000-0x0000000005611000-memory.dmp

            Filesize

            68KB

          • memory/1040-140-0x0000000002990000-0x0000000002A81000-memory.dmp

            Filesize

            964KB

          • memory/1040-148-0x0000000008510000-0x000000000860B000-memory.dmp

            Filesize

            1004KB

          • memory/1040-150-0x0000000008510000-0x000000000860B000-memory.dmp

            Filesize

            1004KB

          • memory/2216-149-0x00000000003A0000-0x00000000003CB000-memory.dmp

            Filesize

            172KB

          • memory/2216-146-0x0000000002520000-0x000000000286A000-memory.dmp

            Filesize

            3.3MB

          • memory/2216-147-0x00000000022C0000-0x0000000002350000-memory.dmp

            Filesize

            576KB

          • memory/2216-144-0x00000000003A0000-0x00000000003CB000-memory.dmp

            Filesize

            172KB

          • memory/2216-143-0x0000000000720000-0x000000000073F000-memory.dmp

            Filesize

            124KB

          • memory/2216-141-0x0000000000000000-mapping.dmp

          • memory/2632-132-0x0000000004600000-0x000000000462C000-memory.dmp

            Filesize

            176KB

          • memory/2632-136-0x0000000010410000-0x000000001043B000-memory.dmp

            Filesize

            172KB

          • memory/2632-135-0x0000000010410000-0x000000001043B000-memory.dmp

            Filesize

            172KB

          • memory/4052-151-0x0000000000000000-mapping.dmp

          • memory/4068-145-0x0000000000000000-mapping.dmp

          • memory/4112-153-0x0000000000000000-mapping.dmp

          • memory/4420-155-0x0000000000000000-mapping.dmp