Analysis

  • max time kernel
    87s
  • max time network
    267s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-03-2024 23:32

Errors

Reason
Machine shutdown

General

  • Target

    Trojan/000.exe

  • Size

    6.7MB

  • MD5

    d5671758956b39e048680b6a8275e96a

  • SHA1

    33c341130bf9c93311001a6284692c86fec200ef

  • SHA256

    4a900b344ef765a66f98cf39ac06273d565ca0f5d19f7ea4ca183786155d4a47

  • SHA512

    972e89ed8b7b4d75df0a05c53e71fb5c29edaa173d7289656676b9d2a1ed439be1687beddc6fb1fbf068868c3da9c3d2deb03b55e5ab5e7968858b5efc49fbe7

  • SSDEEP

    3072:V3LA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuzzo9Y:lLJlC6j0CX4XmvWHVcd62uo9

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:1988
    • 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:1168
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im explorer.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2688
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im taskmgr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:8
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' set FullName='UR NEXT'
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1140
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' rename 'UR NEXT'
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2188
      • C:\Windows\SysWOW64\shutdown.exe
        shutdown /f /r /t 0
        3⤵
          PID:228
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa39b4855 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:3384

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

      Filesize

      576KB

      MD5

      492989efbc803beb896b372847722a37

      SHA1

      d8fcdab9319938dcb42a2c4270a1815c4a666cb9

      SHA256

      7a9113c79bdc0c2725beb8968f170b4d1ded9760d41d6d9302f04443900bc01b

      SHA512

      971ce451aac55ad63f30f7eb7205b3d19ea4df231414cd0fe23be3daf437815d8c498abb00d8bad86b30adb4a35dfd133a8d19462af88c72292d5c04864b7ee0

    • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

      Filesize

      9KB

      MD5

      7050d5ae8acfbe560fa11073fef8185d

      SHA1

      5bc38e77ff06785fe0aec5a345c4ccd15752560e

      SHA256

      cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

      SHA512

      a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

    • C:\Users\Admin\AppData\Local\Temp\one.rtf

      Filesize

      403B

      MD5

      6fbd6ce25307749d6e0a66ebbc0264e7

      SHA1

      faee71e2eac4c03b96aabecde91336a6510fff60

      SHA256

      e152b106733d9263d3cf175f0b6197880d70acb753f8bde8035a3e4865b31690

      SHA512

      35a0d6d91178ec10619cf4d2fd44d3e57aa0266e1779e15b1eef6e9c359c77c384e0ffe4edb2cde980a6847e53f47733e6eacb72d46762066b3541dee3d29064

    • C:\Users\Admin\AppData\Local\Temp\rniw.exe

      Filesize

      76KB

      MD5

      9232120b6ff11d48a90069b25aa30abc

      SHA1

      97bb45f4076083fca037eee15d001fd284e53e47

      SHA256

      70faa0e1498461731f873d3594f20cbf2beaa6f123a06b66f9df59a9cdf862be

      SHA512

      b06688a9fc0b853d2895f11e812c48d5871f2793183fda5e9638ded22fc5dc1e813f174baedc980a1f0b6a7b0a65cd61f29bb16acc6dd45da62988eb012d6877

    • C:\Users\Admin\AppData\Local\Temp\text.txt

      Filesize

      396B

      MD5

      9037ebf0a18a1c17537832bc73739109

      SHA1

      1d951dedfa4c172a1aa1aae096cfb576c1fb1d60

      SHA256

      38c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48

      SHA512

      4fb5c06089524c6dcd48b6d165cedb488e9efe2d27613289ef8834dbb6c010632d2bd5e3ac75f83b1d8024477ebdf05b9e0809602bbe1780528947c36e4de32f

    • C:\Users\Admin\AppData\Local\Temp\v.mp4

      Filesize

      81KB

      MD5

      d2774b188ab5dde3e2df5033a676a0b4

      SHA1

      6e8f668cba211f1c3303e4947676f2fc9e4a1bcc

      SHA256

      95374cf300097872a546d89306374e7cf2676f7a8b4c70274245d2dccfc79443

      SHA512

      3047a831ed9c8690b00763061807e98e15e9534ebc9499e3e5abb938199f9716c0e24a83a13291a8fd5b91a6598aeeef377d6793f6461fc0247ec4bbd901a131

    • C:\Users\Admin\AppData\Local\Temp\windl.bat

      Filesize

      771B

      MD5

      a9401e260d9856d1134692759d636e92

      SHA1

      4141d3c60173741e14f36dfe41588bb2716d2867

      SHA256

      b551fba71dfd526d4916ae277d8686d83fff36d22fcf6f18457924a070b30ef7

      SHA512

      5cbe38cdab0283b87d9a9875f7ba6fa4e8a7673d933ca05deddddbcf6cf793bd1bf34ac0add798b4ed59ab483e49f433ce4012f571a658bc0add28dd987a57b6

    • memory/1988-22-0x000000000C570000-0x000000000C5A8000-memory.dmp

      Filesize

      224KB

    • memory/1988-41-0x000000000C7B0000-0x000000000C7C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-0-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-29-0x000000000C7B0000-0x000000000C7C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-31-0x000000000C7B0000-0x000000000C7C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-32-0x000000000C7B0000-0x000000000C7C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-34-0x000000000C7B0000-0x000000000C7C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-35-0x000000000C7B0000-0x000000000C7C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-36-0x000000000C770000-0x000000000C780000-memory.dmp

      Filesize

      64KB

    • memory/1988-37-0x000000000C770000-0x000000000C780000-memory.dmp

      Filesize

      64KB

    • memory/1988-39-0x000000000C770000-0x000000000C780000-memory.dmp

      Filesize

      64KB

    • memory/1988-23-0x0000000009380000-0x000000000938E000-memory.dmp

      Filesize

      56KB

    • memory/1988-38-0x000000000C7B0000-0x000000000C7C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-42-0x000000000C770000-0x000000000C780000-memory.dmp

      Filesize

      64KB

    • memory/1988-11-0x0000000001800000-0x0000000001810000-memory.dmp

      Filesize

      64KB

    • memory/1988-56-0x000000000C7B0000-0x000000000C7C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-57-0x000000000C770000-0x000000000C780000-memory.dmp

      Filesize

      64KB

    • memory/1988-55-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-3-0x0000000005FD0000-0x0000000006574000-memory.dmp

      Filesize

      5.6MB

    • memory/1988-2-0x0000000001800000-0x0000000001810000-memory.dmp

      Filesize

      64KB

    • memory/1988-514-0x0000000001800000-0x0000000001810000-memory.dmp

      Filesize

      64KB

    • memory/1988-865-0x0000000001800000-0x0000000001810000-memory.dmp

      Filesize

      64KB

    • memory/1988-1-0x00000000008B0000-0x0000000000F5E000-memory.dmp

      Filesize

      6.7MB

    • memory/1988-869-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB