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Overview

overview

7

Static

static

3

MEMZ-virus...MZ.exe

windows10-1703-x64

7

Analysis

  • max time kernel
    42s
  • max time network
    64s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    29/05/2024, 17:47

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General

  • Target

    MEMZ-virus-main/MEMZ.exe

  • Size

    16KB

  • MD5

    1d5ad9c8d3fee874d0feb8bfac220a11

  • SHA1

    ca6d3f7e6c784155f664a9179ca64e4034df9595

  • SHA256

    3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff

  • SHA512

    c8246f4137416be33b6d1ac89f2428b7c44d9376ac8489a9fbf65ef128a6c53fb50479e1e400c8e201c8611992ab1d6c1bd3d6cece89013edb4d35cdd22305b1

  • SSDEEP

    192:M2WgyvSW8gRc6olcIEiwqZKBkDFR43xWTM3LHf26gFrcx3sNq:JWgnSmFlcIqq3agmLH+6gF23sN

Score
7/10
bootkitpersistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 36 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe
    "C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4412
    • C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:5084
    • C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:792
    • C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2476
    • C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:892
    • C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ-virus-main\MEMZ.exe" /main
      2⤵
      • Checks computer location settings
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of WriteProcessMemory
      PID:2472
      • C:\Windows\SysWOW64\notepad.exe
        "C:\Windows\System32\notepad.exe" \note.txt
        3⤵
          PID:2600
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4400
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
      1⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3588
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:4428
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2556
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies registry class
      PID:1472
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
        PID:4496
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x0 /state0:0xa3aac055 /state1:0x41c64e6d
        1⤵
          PID:2276
        • C:\Windows\system32\browser_broker.exe
          C:\Windows\system32\browser_broker.exe -Embedding
          1⤵
            PID:4304
          • C:\Windows\system32\browser_broker.exe
            C:\Windows\system32\browser_broker.exe -Embedding
            1⤵
              PID:4372

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\D58126ZU\styles__ltr[1].css
              Filesize

              55KB

              MD5

              5208f5e6c617977a89cf80522b53a899

              SHA1

              6869036a2ed590aaeeeeab433be01967549a44d0

              SHA256

              487d9c5def62bc08f6c5d65273f9aaece71f070134169a6a6bc365055be5a92d

              SHA512

              bdd95d8b4c260959c1010a724f8251b88ed62f4eb4f435bde7f85923c67f20fe9c038257bb59a5bb6107abdf0d053f75761211870ca537e1a28d73093f07198b

              Download Submit

            • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\Q37KA2YY\recaptcha__en[1].js
              Filesize

              522KB

              MD5

              4668e74b2b2a58381399e91a61b6d63d

              SHA1

              89ebf54e996e46f4b1e26f6dcda93bad74fc0a1c

              SHA256

              b0e3acc54460721385d2e472dda7288382f2766a06b38d2e732d034619f9b929

              SHA512

              b2ead3410dea89b658bfb0ce67842569641cd6c29889ecfb223a83637600b82b0d2e55cec26750593359663a22896f5da91d3df9f085c204803cd646a7cabc28

              Download Submit

            • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\7ZPGLSQQ\favicon[1].ico
              Filesize

              5KB

              MD5

              f3418a443e7d841097c714d69ec4bcb8

              SHA1

              49263695f6b0cdd72f45cf1b775e660fdc36c606

              SHA256

              6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770

              SHA512

              82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

              Download Submit

            • C:\note.txt
              Filesize

              218B

              MD5

              afa6955439b8d516721231029fb9ca1b

              SHA1

              087a043cc123c0c0df2ffadcf8e71e3ac86bbae9

              SHA256

              8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270

              SHA512

              5da21a31fbc4e8250dffed30f66b896bdf007ac91948140334fe36a3f010e1bac3e70a07e9f3eb9da8633189091fd5cadcabbaacd3e01da0fe7ae28a11b3dddf

              Download Submit

            • memory/1472-52-0x00000219C5010000-0x00000219C5110000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/3588-73-0x000002E15E560000-0x000002E15E561000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3588-24-0x000002E158030000-0x000002E158040000-memory.dmp

              Filesize

              64KB

              Download

            • memory/3588-7-0x000002E157F20000-0x000002E157F30000-memory.dmp

              Filesize

              64KB

              Download

            • memory/3588-42-0x000002E155460000-0x000002E155462000-memory.dmp

              Filesize

              8KB

              Download

            • memory/3588-72-0x000002E15E550000-0x000002E15E551000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4496-64-0x0000012D1A8A0000-0x0000012D1A9A0000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/4496-346-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-68-0x0000012D2B060000-0x0000012D2B062000-memory.dmp

              Filesize

              8KB

              Download

            • memory/4496-70-0x0000012D2B080000-0x0000012D2B082000-memory.dmp

              Filesize

              8KB

              Download

            • memory/4496-60-0x0000012D1A0E0000-0x0000012D1A0E2000-memory.dmp

              Filesize

              8KB

              Download

            • memory/4496-104-0x0000012D2BBA0000-0x0000012D2BCA0000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/4496-58-0x0000012D1A0C0000-0x0000012D1A0C2000-memory.dmp

              Filesize

              8KB

              Download

            • memory/4496-112-0x0000012D2BBA0000-0x0000012D2BCA0000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/4496-158-0x0000012D2C410000-0x0000012D2C412000-memory.dmp

              Filesize

              8KB

              Download

            • memory/4496-209-0x0000012D2C580000-0x0000012D2C582000-memory.dmp

              Filesize

              8KB

              Download

            • memory/4496-312-0x0000012D3DDC0000-0x0000012D3DDE0000-memory.dmp

              Filesize

              128KB

              Download

            • memory/4496-340-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-343-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-66-0x0000012D2B040000-0x0000012D2B042000-memory.dmp

              Filesize

              8KB

              Download

            • memory/4496-345-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-342-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-351-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-350-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-349-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-348-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-347-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-341-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-338-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-339-0x0000012D1A080000-0x0000012D1A090000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4496-55-0x0000012D1A070000-0x0000012D1A072000-memory.dmp

              Filesize

              8KB

              Download