Analysis

  • max time kernel
    146s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 07:54

General

  • Target

    4767854567ee5cfb28dae9181c9f076e7281996d3963524f10ce26cfdd342f42_NeikiAnalytics.exe

  • Size

    89KB

  • MD5

    ee62df18944db6cb32e98eba83b9f960

  • SHA1

    859ab73f33ff8d5d1ddf78a5e9d6aa34f15c9dfa

  • SHA256

    4767854567ee5cfb28dae9181c9f076e7281996d3963524f10ce26cfdd342f42

  • SHA512

    df0a5ffbbd7194d6ef2015c564351be1b2b767bb29bbdf32c90734a92fae99b61fd584f6241e40dc604f0a74dc937d98225fc1791b1db54231daf6191a5c21fb

  • SSDEEP

    1536:1vXFnGvewvD/F3nICjRM5CELyYk2Iloa4GQeRCIiS8qRj4dh0NKYnEMvB:Dw3FE7yH2koa4ciS8qp4dh03EMvB

Malware Config

Signatures

  • Renames multiple (583) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4767854567ee5cfb28dae9181c9f076e7281996d3963524f10ce26cfdd342f42_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\4767854567ee5cfb28dae9181c9f076e7281996d3963524f10ce26cfdd342f42_NeikiAnalytics.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:2408
    • C:\ProgramData\6293.tmp
      "C:\ProgramData\6293.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4152
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\6293.tmp >> NUL
        3⤵
          PID:1716
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:2244
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:4596
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{3020AEE8-9807-4976-9614-54EF1DA2419C}.xps" 133633436785370000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\$Recycle.Bin\S-1-5-21-200405930-3877336739-3533750831-1000\DDDDDDDDDDD

        Filesize

        129B

        MD5

        df653cf6e6818773cc61d27b8012d0e6

        SHA1

        6dd498d80f7176eb90d288168bd1ff48e0e00505

        SHA256

        f0028d7d154c38845ee5ff0cf18f29ab4227adceac365b1f3b9e2bbe2096d2bb

        SHA512

        d03e3f8a9b119e0003ad5cf3822e204d4ccd4cd5d2119782c25a309385ca787028b6db4952ebc8be6fb91d2d885142c817ea6061c2ebbfc02f2c3a8b250d9b30

      • C:\5rFqhOnPD.README.txt

        Filesize

        556B

        MD5

        94c9f1ca64eb59061d9d521f4d32ef36

        SHA1

        c21fa7157fd588a8e94b75fc81ee928df9ffa374

        SHA256

        631c9517540987c602e11204ab26dbfd3bbe6e283c486af660fb263f32a189dd

        SHA512

        c9b41043c607251df392bbad8614ade2a01eaf753d7a3b5c40e15d69ea7684fa485c106da5432a98290ec3b7568e461ad9a72197875858ac7c7a5d4a2ae4ead8

      • C:\ProgramData\6293.tmp

        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

        Filesize

        89KB

        MD5

        7f93cc9f964ac56c3d71a0952127a83c

        SHA1

        bdaabd108aef7419b62fedc3ad2d05c9aaa4799d

        SHA256

        aa6782ac94c75d787e22202827221182a4e8761b2ca17802602dcd15baa0b73a

        SHA512

        3fa6bb52642a2ab0418d0b39170f8dda17e3319e95db3988544d142aa047d1e20a2f575afc2c0693e646b8e96f62fa139a2eabf47570be0b3ef48cba54c46a86

      • C:\Users\Admin\AppData\Local\Temp\{7947BCFB-4A10-4ABB-9835-DD642B3A67F1}

        Filesize

        4KB

        MD5

        3d4c8587f959a88751ba878553b3118e

        SHA1

        2ccbd6f9c4a366a3608b6582f4ed47b3ccecd0b4

        SHA256

        ef592521b94f15a74f45bce821b680e12b3e37839171f23b3b2681e78498cf95

        SHA512

        c20251f9f08aeb1fde3d9bd3ba4012c816a461ed11b261fd0bd29b0482af7947637f530b322aee89e20a59e8effcb867204cb88d415c1b850dc1216d682e30e3

      • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2

        Filesize

        4KB

        MD5

        a5d6cd0a4199a1beecc33822bd41ca65

        SHA1

        c8f3b92beb580fa6c7128c3496b82050006a9ac5

        SHA256

        b9a942c6cb64f23a370403d0a1f0d1f634708a89697efdc5f5cb63fd19406a76

        SHA512

        5c810df208033fc529a2ac4a84316668db2fdfdf739e398dcf6d4eda6d27cc372e206ad14d86d3e5fad5ac8deff21096a514bfe29fe1349e9312476b4809b7c2

      • F:\$RECYCLE.BIN\S-1-5-21-200405930-3877336739-3533750831-1000\DDDDDDDDDDD

        Filesize

        129B

        MD5

        470cd630810d6b20a21bf4d7c3772264

        SHA1

        dd44ee5a0ea70c2f121e381e3a0f5bd74fbce511

        SHA256

        e54e323d33b254ae254d942a55c63fa57dcf5062ee7c52fca2291610f45aca38

        SHA512

        425ff04ebbe68fdb2aae69521d66eb9f91b51605a2d0bdf1788e07a17625efe28b2defd795827bff902bdb94c044016258c448a3eba1a4f941fc1ef367079700

      • memory/920-2743-0x00007FF8B8470000-0x00007FF8B8480000-memory.dmp

        Filesize

        64KB

      • memory/920-2734-0x00007FF8B8470000-0x00007FF8B8480000-memory.dmp

        Filesize

        64KB

      • memory/920-2737-0x00007FF8B8470000-0x00007FF8B8480000-memory.dmp

        Filesize

        64KB

      • memory/920-2742-0x00007FF8B8470000-0x00007FF8B8480000-memory.dmp

        Filesize

        64KB

      • memory/920-2735-0x00007FF8B8470000-0x00007FF8B8480000-memory.dmp

        Filesize

        64KB

      • memory/920-2757-0x00007FF8B5B10000-0x00007FF8B5B20000-memory.dmp

        Filesize

        64KB

      • memory/920-2758-0x00007FF8B5B10000-0x00007FF8B5B20000-memory.dmp

        Filesize

        64KB

      • memory/1400-2708-0x0000000000C50000-0x0000000000C7B000-memory.dmp

        Filesize

        172KB

      • memory/1400-26-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

        Filesize

        64KB

      • memory/1400-0-0x0000000000C50000-0x0000000000C7B000-memory.dmp

        Filesize

        172KB

      • memory/1400-37-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

        Filesize

        64KB

      • memory/1400-50-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

        Filesize

        64KB