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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2023, 18:04

General

  • Target

    NEAS.2825e4a1b69997cea67a3a772de425c0.exe

  • Size

    70KB

  • MD5

    2825e4a1b69997cea67a3a772de425c0

  • SHA1

    37122449bfd00aad0c4e0667517c17275fde76ca

  • SHA256

    dc675548d26d4089a3a2e0eb8cfc3f3cded185dd7d2c11d5340cff6d18619689

  • SHA512

    359706a55da9d64cf0c2cacfb58f2f2ef398cb8f3fbabacdec29c468e0893b30a9f21463a372c964aa456caed53c2afde64288eddb1b5e2916e9585a38382a69

  • SSDEEP

    768:TrItKyw5WHXfQmjIiIk9ecAayMb96gyXPDLd+T:Tr3Z5IfQmv81a5DyXbZC

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\NEAS.2825e4a1b69997cea67a3a772de425c0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.2825e4a1b69997cea67a3a772de425c0.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\akmhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • Views/modifies file attributes
      PID:3464
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEAS28~1.EXE > nul
      2⤵
        PID:776
    • C:\Windows\Debug\akmhost.exe
      C:\Windows\Debug\akmhost.exe
      1⤵
      • Executes dropped EXE
      PID:1920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Debug\akmhost.exe

      Filesize

      70KB

      MD5

      855111f355b5fa197b7f3d28f8977c24

      SHA1

      853127532e753ed8865c9870aa8e4857f837db72

      SHA256

      202bdcebb72deb15344a408287c3db8ff5b0058c87a61423b9618abc1c20334d

      SHA512

      206ee160a8aa10b2025d5f904e7d9242bc6a5fa42edfc27e537516fa7cd979d148892a5a37f8d01ea8bbbaa0fb4ded74f8a9e0a18590bc240ec83b383729cb19

    • C:\Windows\debug\akmhost.exe

      Filesize

      70KB

      MD5

      855111f355b5fa197b7f3d28f8977c24

      SHA1

      853127532e753ed8865c9870aa8e4857f837db72

      SHA256

      202bdcebb72deb15344a408287c3db8ff5b0058c87a61423b9618abc1c20334d

      SHA512

      206ee160a8aa10b2025d5f904e7d9242bc6a5fa42edfc27e537516fa7cd979d148892a5a37f8d01ea8bbbaa0fb4ded74f8a9e0a18590bc240ec83b383729cb19