Resubmissions

16/03/2024, 15:20

240316-sq9desff3410

16/03/2024, 15:16

240316-sns9esdf2110

Analysis

  • max time kernel
    139s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2024, 15:16

Errors

Reason
Machine shutdown

General

  • Target
    Trojan/000.exe
  • Size 6.7MB
  • Sample240316-sns9esdf21
  • SHA256 4a900b344ef765a66f98cf39ac06273d565ca0f5d19f7ea4ca183786155d4a47
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 2 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Trojan\000.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan\000.exe"
    1⤵
    • Enumerates connected drives
    • Modifies WinLogon
    • Sets desktop wallpaper using registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4136
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im explorer.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2676
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im taskmgr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4740
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' set FullName='UR NEXT'
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3724
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' rename 'UR NEXT'
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2504
      • C:\Windows\SysWOW64\shutdown.exe
        shutdown /f /r /t 0
        3⤵
          PID:3008
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=2272,i,1589057049575649654,2929151440327217574,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4004
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x4 /state0:0xa3973055 /state1:0x41c64e6d
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:1000

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            CurrentDatabase_400.wmdb

            • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
            • Size 512KB
            • SHA256 201d490bf84e31583eda411eac4b6555232112659aebf52e471755768fc4d78e
            • MD5 SHA1 SHA512 SSDEEP

            WMSDKNS.XML

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
            • Size 9KB
            • SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
            • MD5 SHA1 SHA512 SSDEEP

            one.rtf

            • Path C:\Users\Admin\AppData\Local\Temp\one.rtf
            • Size 403B
            • SHA256 e152b106733d9263d3cf175f0b6197880d70acb753f8bde8035a3e4865b31690
            • MD5 SHA1 SHA512

            rniw.exe

            • Path C:\Users\Admin\AppData\Local\Temp\rniw.exe
            • Size 76KB
            • SHA256 70faa0e1498461731f873d3594f20cbf2beaa6f123a06b66f9df59a9cdf862be
            • MD5 SHA1 SHA512 SSDEEP

            text.txt

            • Path C:\Users\Admin\AppData\Local\Temp\text.txt
            • Size 396B
            • SHA256 38c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48
            • MD5 SHA1 SHA512

            v.mp4

            • Path C:\Users\Admin\AppData\Local\Temp\v.mp4
            • Size 81KB
            • SHA256 95374cf300097872a546d89306374e7cf2676f7a8b4c70274245d2dccfc79443
            • MD5 SHA1 SHA512 SSDEEP

            windl.bat

            • Path C:\Users\Admin\AppData\Local\Temp\windl.bat
            • Size 771B
            • SHA256 b551fba71dfd526d4916ae277d8686d83fff36d22fcf6f18457924a070b30ef7
            • MD5 SHA1 SHA512

            memory/3140-161-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-181-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-26-0x000000000B210000-0x000000000B248000-memory.dmp

            memory/3140-27-0x000000000B1E0000-0x000000000B1EE000-memory.dmp

            memory/3140-30-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

            memory/3140-31-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

            memory/3140-11-0x0000000074C50000-0x0000000075400000-memory.dmp

            memory/3140-3-0x0000000005B90000-0x0000000006134000-memory.dmp

            memory/3140-158-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-0-0x0000000074C50000-0x0000000075400000-memory.dmp

            memory/3140-170-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-171-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-174-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-12-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

            memory/3140-224-0x000000000C560000-0x000000000C570000-memory.dmp

            memory/3140-229-0x000000000C560000-0x000000000C570000-memory.dmp

            memory/3140-230-0x000000000C560000-0x000000000C570000-memory.dmp

            memory/3140-243-0x000000000C560000-0x000000000C570000-memory.dmp

            memory/3140-242-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-244-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-235-0x000000000B380000-0x000000000B390000-memory.dmp

            memory/3140-251-0x000000000C560000-0x000000000C570000-memory.dmp

            memory/3140-254-0x000000000C560000-0x000000000C570000-memory.dmp

            memory/3140-2-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

            memory/3140-1-0x0000000000420000-0x0000000000ACE000-memory.dmp

            memory/3140-868-0x0000000074C50000-0x0000000075400000-memory.dmp