Analysis

  • max time kernel
    141s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 10:30

General

  • Target

    b2b26a00029aa1306e0a472f22263550_NeikiAnalytics.exe

  • Size

    61KB

  • MD5

    b2b26a00029aa1306e0a472f22263550

  • SHA1

    5300642c832611b75b1f6f4d3e09e0ab0cb4813f

  • SHA256

    1a7b18e4e336abe72f64a9a232b0b79e6b13a71e77eb7266885447b7da0e0695

  • SHA512

    6a60c0cf150e33986f6b52f79f5c8ab38092586c1bf2a69a32699c9c7575913160fd6b238cee35129468e8dd2ea33c3606926ae1757b8315558f391fc345c85a

  • SSDEEP

    768:OrItKyw5WHXfQmjIiIk9ecAa6cMb964yXhDLdo:Or3Z5IfQmv81awvyX5Zo

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2b26a00029aa1306e0a472f22263550_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\b2b26a00029aa1306e0a472f22263550_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3836
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\wkmhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • Views/modifies file attributes
      PID:4504
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B2B26A~1.EXE > nul
      2⤵
        PID:3380
    • C:\Windows\Debug\wkmhost.exe
      C:\Windows\Debug\wkmhost.exe
      1⤵
      • Executes dropped EXE
      PID:516

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\debug\wkmhost.exe

            Filesize

            61KB

            MD5

            b6b831c86307d99fade6a989e89a1421

            SHA1

            fc6d79c43fb04e91752c92f3596b71c483242005

            SHA256

            a5eace26fe58bebdd961a4217f9abbf890025f7891b66483738bd0e99c182195

            SHA512

            635e15c4cbf5abbfa88477dd916a7c7e791251cb7d09242015825f98b8cd812d9cb00390cfdadc445e2c1eeb931f95d8d35835ddbb9d292021e38036117e8a4e