Resubmissions

16/03/2024, 15:20

240316-sq9desff3410

16/03/2024, 15:16

240316-sns9esdf2110

Analysis

  • max time kernel
    53s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/03/2024, 15:20

Errors

Reason
Machine shutdown

General

  • Target
    Trojan/000.exe
  • Size 6.7MB
  • Sample240316-sq9desff34
  • 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:2568
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im explorer.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2864
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im taskmgr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:628
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' set FullName='UR NEXT'
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2888
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' rename 'UR NEXT'
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2644
      • C:\Windows\SysWOW64\shutdown.exe
        shutdown /f /r /t 0
        3⤵
          PID:436
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0
      1⤵
        PID:1864
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x1
        1⤵
          PID:2980

        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

              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/1864-841-0x0000000002B80000-0x0000000002B81000-memory.dmp

              memory/2568-32-0x0000000005240000-0x000000000524A000-memory.dmp

              memory/2568-34-0x0000000004880000-0x0000000004881000-memory.dmp

              memory/2568-15-0x0000000005260000-0x00000000052A0000-memory.dmp

              memory/2568-26-0x000000006BF70000-0x000000006C282000-memory.dmp

              memory/2568-27-0x0000000005140000-0x000000000514A000-memory.dmp

              memory/2568-28-0x0000000005140000-0x000000000514A000-memory.dmp

              memory/2568-29-0x0000000005140000-0x000000000514A000-memory.dmp

              memory/2568-30-0x0000000005240000-0x000000000524A000-memory.dmp

              memory/2568-31-0x0000000005240000-0x000000000524A000-memory.dmp

              memory/2568-2-0x0000000005260000-0x00000000052A0000-memory.dmp

              memory/2568-16-0x0000000000C20000-0x0000000000C2A000-memory.dmp

              memory/2568-17-0x0000000000C20000-0x0000000000C2A000-memory.dmp

              memory/2568-33-0x0000000005250000-0x000000000525A000-memory.dmp

              memory/2568-1-0x00000000003E0000-0x0000000000A8E000-memory.dmp

              memory/2568-554-0x0000000074D00000-0x00000000753EE000-memory.dmp

              memory/2568-0-0x0000000074D00000-0x00000000753EE000-memory.dmp

              memory/2568-845-0x000000006BF70000-0x000000006C282000-memory.dmp

              memory/2568-844-0x0000000005240000-0x000000000524A000-memory.dmp

              memory/2568-846-0x0000000074D00000-0x00000000753EE000-memory.dmp

              memory/2568-843-0x0000000005260000-0x00000000052A0000-memory.dmp

              memory/2568-842-0x0000000005250000-0x0000000005255000-memory.dmp

              memory/2980-847-0x0000000002760000-0x0000000002761000-memory.dmp