Analysis

  • max time kernel
    142s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 01:36

General

  • Target

    c034ae9562897648c7969f1ed989ce90_NEIKI.exe

  • Size

    107KB

  • MD5

    c034ae9562897648c7969f1ed989ce90

  • SHA1

    3b4c58a8898989187f49ebeaba0fe50bed6846b7

  • SHA256

    b724c2473b4b6a0a7883dce478fd035009e534e25ad9190b609c06e4ab1053b1

  • SHA512

    bc0d6f49619a430106da11ffad9637f190d678d6d602b35d0b561558f14734d1386641012dbf489eabae481eb04c4664feea129887f41df14af3bb1c3df3dde9

  • SSDEEP

    1536:TRiAXaKD5grAhdVA2VukXKzMf3liaL+SWzR+fy1ZZosMiZ7RtEs:liAXaKDLVaroj6SWzosZGyRtEs

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c034ae9562897648c7969f1ed989ce90_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\c034ae9562897648c7969f1ed989ce90_NEIKI.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\ppkcgvd.exe "C:\Users\Admin\AppData\Local\Temp\c034ae9562897648c7969f1ed989ce90_NEIKI.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4848
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2248
      • \??\c:\ppkcgvd.exe
        c:\ppkcgvd.exe "C:\Users\Admin\AppData\Local\Temp\c034ae9562897648c7969f1ed989ce90_NEIKI.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2520
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\modhn\jesqfivz.dll",GetWindowClass c:\ppkcgvd.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3404

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ppkcgvd.exe

          Filesize

          107KB

          MD5

          a3af9bb40a0736cccd5657bc6c7125ea

          SHA1

          2ca7b0af4d3d3b28fe2eb9c775c8bfe95a05df32

          SHA256

          fce3ffe69834b0363e62aa089d8e15ea37c9d131836bb0ad40b15ab9505de653

          SHA512

          1e84fc80df6357aa1c5d0242e66cd3e63fbf353364b0d7e9bf921949ddffca514c6094eca03d69d4073b7dfbcd10729766149dbf799179b155ba578ab957db48

        • \??\c:\modhn\jesqfivz.dll

          Filesize

          63KB

          MD5

          06c39ca503305efbf7274f6bf9394f28

          SHA1

          bec4daadab49f1f58a951d9cc1b2d7c1e2ae8450

          SHA256

          19f33ba32f20dae1ea6a6b87824dc8e3e74527b34f9cd01a6e4f67e3e79dd867

          SHA512

          e6c8b19892b5ce5108909824ad37b0fe0eed2459939f0249133bf3e3c1470308d6d51aa3fbf42aabcbf37bb2412c8a27bff445e23dc0495910ec5f445055d931

        • memory/2200-0-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/2200-2-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/2520-7-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/3404-10-0x0000000010000000-0x0000000010036000-memory.dmp

          Filesize

          216KB

        • memory/3404-11-0x0000000000CB0000-0x0000000000CB2000-memory.dmp

          Filesize

          8KB

        • memory/3404-12-0x0000000010000000-0x0000000010036000-memory.dmp

          Filesize

          216KB

        • memory/3404-14-0x0000000000CB0000-0x0000000000CB2000-memory.dmp

          Filesize

          8KB

        • memory/3404-15-0x0000000010000000-0x0000000010036000-memory.dmp

          Filesize

          216KB

        • memory/3404-17-0x0000000010000000-0x0000000010036000-memory.dmp

          Filesize

          216KB