Resubmissions

16/03/2024, 15:20

240316-sq9desff3410

16/03/2024, 15:16

240316-sns9esdf2110

Analysis

  • max time kernel
    286s
  • max time network
    358s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/03/2024, 15:16

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 registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im explorer.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2948
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im taskmgr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1340
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' set FullName='UR NEXT'
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2272
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' rename 'UR NEXT'
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2036
      • C:\Windows\SysWOW64\shutdown.exe
        shutdown /f /r /t 0
        3⤵
          PID:2552
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0
      1⤵
        PID:2756
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x1
        1⤵
          PID:3028

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              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

              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

              UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR N1XT.txt

              • Path C:\Users\Admin\Desktop\UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR N1XT.txt
              • Size 396B
              • SHA256 38c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48
              • MD5 SHA1 SHA512

              memory/548-35-0x0000000000DB0000-0x0000000000DBA000-memory.dmp

              memory/548-37-0x0000000000D70000-0x0000000000D71000-memory.dmp

              memory/548-16-0x00000000006E0000-0x00000000006EA000-memory.dmp

              memory/548-15-0x0000000005270000-0x00000000052B0000-memory.dmp

              memory/548-26-0x000000006BCC0000-0x000000006BFD2000-memory.dmp

              memory/548-30-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-33-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-34-0x0000000000DB0000-0x0000000000DBA000-memory.dmp

              memory/548-32-0x0000000000DB0000-0x0000000000DBA000-memory.dmp

              memory/548-31-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-29-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-28-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-27-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-0-0x0000000074BE0000-0x00000000752CE000-memory.dmp

              memory/548-36-0x0000000000E00000-0x0000000000E0A000-memory.dmp

              memory/548-17-0x00000000006E0000-0x00000000006EA000-memory.dmp

              memory/548-38-0x0000000074BE0000-0x00000000752CE000-memory.dmp

              memory/548-40-0x0000000005270000-0x00000000052B0000-memory.dmp

              memory/548-41-0x00000000006E0000-0x00000000006EA000-memory.dmp

              memory/548-42-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-44-0x000000006BCC0000-0x000000006BFD2000-memory.dmp

              memory/548-45-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-46-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-47-0x0000000000D90000-0x0000000000D9A000-memory.dmp

              memory/548-48-0x0000000000DB0000-0x0000000000DBA000-memory.dmp

              memory/548-2-0x0000000005270000-0x00000000052B0000-memory.dmp

              memory/548-1-0x0000000000EB0000-0x000000000155E000-memory.dmp

              memory/548-859-0x0000000074BE0000-0x00000000752CE000-memory.dmp

              memory/548-858-0x000000006BCC0000-0x000000006BFD2000-memory.dmp

              memory/548-860-0x0000000000E00000-0x0000000000E05000-memory.dmp

              memory/2756-857-0x00000000029C0000-0x00000000029C1000-memory.dmp

              memory/3028-861-0x0000000002760000-0x0000000002761000-memory.dmp