Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2024, 23:01

General

  • Target

    8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe

  • Size

    397KB

  • MD5

    8c2ab7d7bd20f8a8b92dbe5779ac4320

  • SHA1

    65c75835b540175d33ab67583f98626711de74e5

  • SHA256

    79d309dcae873685245924766520ef95497e9f4054d9a6540bb0acec36c993ca

  • SHA512

    4a35b2dedb9d391d9cac9952c3526abec496b8215040237bc10f745e769159b44512a7c1d72d07e2b944e97d48247003fc83f22ae2c398fa34662c87f3075195

  • SSDEEP

    12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumy:vdE3sJd1fm/+yb3OYg84/JHJ

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 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.

  • Drops file in Program Files directory 4 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pytgpksek.exe "C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2268
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2904
      • C:\Users\Admin\AppData\Local\Temp\pytgpksek.exe
        C:\Users\Admin\AppData\Local\Temp\\pytgpksek.exe "C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2528
        • \??\c:\Program Files\qckno\yqqlaqtv.exe
          "c:\Program Files\qckno\yqqlaqtv.exe" "c:\Program Files\qckno\yqqlaqtv.dll",Viewer C:\Users\Admin\AppData\Local\Temp\pytgpksek.exe
          4⤵
          • Executes dropped EXE
          • 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:2628

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          398KB

          MD5

          878ef37d63fb79ffd74a33077c35a929

          SHA1

          8ab5f569acb9198d7c2fc7078630a65763d986ef

          SHA256

          2610c737eaa959409eb8027be738022ccecc6b1a07c3fbc9aaaf0dbfc755337b

          SHA512

          e442afde088fff7ea73cb0945058b84c0eac88a314bb49254af46ad64b878d182bfc9b4da3242213ef33f37d763c02124a475cef825698dd3d435276e3f4163f

        • \Program Files\qckno\yqqlaqtv.dll

          Filesize

          89KB

          MD5

          e8abe635fd50b239950e4848c70affe2

          SHA1

          23ec591f5bb62b0ff52b133d840432e15ddbb6a7

          SHA256

          db05a231197824043f5efa07bc89dea879075a687e0d3ffb760e2e1ab8c56a9d

          SHA512

          e5c8a44e32bb8b54b49264d82fb545f9367837bd2f43395eb36459c5c7210686cdc240185b9d377b97ac46e9175644ce5ef0f8f734bee3889cd84ad9a785460b

        • \Program Files\qckno\yqqlaqtv.exe

          Filesize

          43KB

          MD5

          51138beea3e2c21ec44d0932c71762a8

          SHA1

          8939cf35447b22dd2c6e6f443446acc1bf986d58

          SHA256

          5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

          SHA512

          794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

        • memory/2628-19-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2628-18-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2628-17-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2628-20-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2628-24-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2628-25-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB