Analysis

  • max time kernel
    58s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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 42 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 2 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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:2568
    • C:\Windows\SysWOW64\Explorer.exe
      Explorer C:\Users\Admin\AppData\Local\Temp\NEAS.716a71520fa639d55468d6f922470670
      2⤵
        PID:3036
    • 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: GetForegroundWindowSpam
      PID:2744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Thumbs.db

      Filesize

      13B

      MD5

      3579c8da7f1e0ad94656e76c886e5125

      SHA1

      83eb531bfd10f917770441c7f548dcd841e70fdd

      SHA256

      b08022d315cf1eb12d2665bded0e6af40653c0a0be975232fb49bcbd021cfc36

      SHA512

      3493fa6334931c1e41e0e9d0621949c8bfd33c72811b3407e47c17fb55864a0710ae094bb0d547f19ec23d7626f04fe620ed478ada1d88e6647794063036388d

    • C:\Users.exe

      Filesize

      42KB

      MD5

      ac5986d0470551b57780c13446f9e632

      SHA1

      bd8e07490c11bb1d2557b75e65f8a44464965b88

      SHA256

      b5ca4e5ed01ca5f8c69081b76b8bac4d729cd8a955c52ebce30fe8bdf3eb99d3

      SHA512

      8eb87f92127555c79be9bf98ddcec48aae2e2edfda81caaf367acae2ce597b1379966955b2ba450ed28e528020e9a580e87bccdbdaacdce79261eaf381cb1dfa

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

      Filesize

      25KB

      MD5

      cb43db3323b1afca8c1e27fb46a923d4

      SHA1

      8dccbddabbae20f9dba2ff271c45898942a4e0c2

      SHA256

      8ae3066db43aafe86d9ff9052e463f11b0b53a23ce218e1cf6e7f09cf5c9b411

      SHA512

      6e0148c8ac03e64cd5e320a7d0490d8697240cebf2973bfdee719bca5f3bc944bb802fabb1d18eb14c38dbf99ab6d154837b5a46e2204332948e8171e0eebf1d

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

      Filesize

      22B

      MD5

      76cdb2bad9582d23c1f6f4d868218d6c

      SHA1

      b04f3ee8f5e43fa3b162981b50bb72fe1acabb33

      SHA256

      8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85

      SHA512

      5e2f959f36b66df0580a94f384c5fc1ceeec4b2a3925f062d7b68f21758b86581ac2adcfdde73a171a28496e758ef1b23ca4951c05455cdae9357cc3b5a5825f

    • memory/2568-0-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2568-9-0x00000000044D0000-0x00000000044D1000-memory.dmp

      Filesize

      4KB

    • memory/2568-67-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2744-5-0x0000000003730000-0x0000000003731000-memory.dmp

      Filesize

      4KB

    • memory/2744-6-0x0000000003740000-0x0000000003750000-memory.dmp

      Filesize

      64KB

    • memory/2744-68-0x0000000003730000-0x0000000003731000-memory.dmp

      Filesize

      4KB