Analysis

  • max time kernel
    181s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2023 17:21

General

  • Target

    NEAS.716a71520fa639d55468d6f922470670.exe

  • Size

    42KB

  • MD5

    716a71520fa639d55468d6f922470670

  • SHA1

    06eef4f37e7e6f441b39b3dfc4538ec880b33163

  • SHA256

    9a9609eb913e831f14279a1565d22efaa5ead119a3b49703651c459b97908e40

  • SHA512

    5c59c9f367277eca6358e0a7dfc229cd6dceca33ca58bfe300ad80002bd003daa15a186441d6618f20ae8b8154be14a89df87712e9cdbff62aeadbd8a8c079ec

  • SSDEEP

    768:C/+8ldkxYXO5lsvhBznbcuyD7UTy3wy3BEywe00:6+8ldkxOO5Sv/znouy8Tuzuw

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Sets file execution options in registry 2 TTPs 8 IoCs
  • Drops file in Program Files directory 44 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.716a71520fa639d55468d6f922470670.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.716a71520fa639d55468d6f922470670.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Sets file execution options in registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4364
    • C:\Windows\SysWOW64\Explorer.exe
      Explorer C:\Users\Admin\AppData\Local\Temp\NEAS.716a71520fa639d55468d6f922470670
      2⤵
        PID:3132
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2888
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86).exe

        Filesize

        42KB

        MD5

        4f5b5e300d291ba424bef7501e8cb8c3

        SHA1

        cdbfd961d34facd16411114b03201dd7214d3229

        SHA256

        4bf868fb0e7f5b616bc4699fe2df93b51f6f5cc44fe8e6adeac3f42b75e3c9cc

        SHA512

        ecdab352fb5e8bcbbed2863fc5b00714fde849bc9e29f0c693ae9620808bd56aff165900a645834d47749005ecccb08cb6edab528c11b9ed46f450baccf74756

      • C:\Program Files\Thumbs.db

        Filesize

        13B

        MD5

        3579c8da7f1e0ad94656e76c886e5125

        SHA1

        83eb531bfd10f917770441c7f548dcd841e70fdd

        SHA256

        b08022d315cf1eb12d2665bded0e6af40653c0a0be975232fb49bcbd021cfc36

        SHA512

        3493fa6334931c1e41e0e9d0621949c8bfd33c72811b3407e47c17fb55864a0710ae094bb0d547f19ec23d7626f04fe620ed478ada1d88e6647794063036388d

      • C:\Users\Admin\AppData\Local\Temp\temp.zip

        Filesize

        22B

        MD5

        76cdb2bad9582d23c1f6f4d868218d6c

        SHA1

        b04f3ee8f5e43fa3b162981b50bb72fe1acabb33

        SHA256

        8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85

        SHA512

        5e2f959f36b66df0580a94f384c5fc1ceeec4b2a3925f062d7b68f21758b86581ac2adcfdde73a171a28496e758ef1b23ca4951c05455cdae9357cc3b5a5825f

      • C:\Users\Admin\AppData\Local\Temp\temp.zip

        Filesize

        25KB

        MD5

        e52a7eae444d1b53e9cbf40a2e1bb49b

        SHA1

        6ba897d52af5014375656237089bfae3fc0a612d

        SHA256

        5f3dc464f5058cd1f08c9960674d80e06523743c882d51d3a0f6c0073bed4202

        SHA512

        6b11dc22736d149b13f6a1cfaeb8505513ec32292fd8d03dda1a97af57898b6bc8bf28c337b503c46a2c888c554d53fd967615666fccab9fbadca7884f5ed1dc

      • memory/4364-0-0x0000000000400000-0x000000000041E000-memory.dmp

        Filesize

        120KB

      • memory/4364-69-0x0000000000400000-0x000000000041E000-memory.dmp

        Filesize

        120KB