Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2023, 00:42

General

  • Target

    NEAS.c57ead958ef99c2b4c140baa6ce333c0.exe

  • Size

    21KB

  • MD5

    c57ead958ef99c2b4c140baa6ce333c0

  • SHA1

    6bac44ca490c20f8600950e37bfe85285b4de282

  • SHA256

    f64f4c98c3ed3b6bddd386825eb449cbec31bb25a84729b768295f88402b7677

  • SHA512

    279d05564714e099574671cd9466002a443f6efe32cb21f066845ddd9f0a1fd9e67c7bad9ffa456905d1aec09773dfd429b5adc174d80e7f5f3bbcb3d5f2d35e

  • SSDEEP

    384:jIz4sOPwP1mSKBmjpLxoYiekKrYGsUikOPkxOXayYl6mMyIzpegjX:jIUsddqUj4YilKrz4Pk4pYI9D

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 6 IoCs

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

  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3256
        • C:\Users\Admin\AppData\Local\Temp\NEAS.c57ead958ef99c2b4c140baa6ce333c0.exe
          "C:\Users\Admin\AppData\Local\Temp\NEAS.c57ead958ef99c2b4c140baa6ce333c0.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1188
          • C:\Windows\SysWOW64\rmass.exe
            "C:\Windows\SysWOW64\rmass.exe"
            3⤵
            • Windows security bypass
            • Drops file in Drivers directory
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1876
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:3204

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\RECOVER32.DLL

        Filesize

        5KB

        MD5

        2b2c28a7a01f9584fe220ef84003427f

        SHA1

        5fc023df0b5064045eb8de7f2dbe26f07f6fec70

        SHA256

        9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb

        SHA512

        39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78

      • C:\Windows\SysWOW64\ahuy.exe

        Filesize

        21KB

        MD5

        fc81335a476d1767d227b20374bcadcd

        SHA1

        19e61859adebb3c92c9be821b1297a2e0b20a758

        SHA256

        98fd838df654cc0226b53a41fc2c7f214cf3606b9d8772c2c284b187f1f58b46

        SHA512

        9acda5138dd1f6a31c949f899a8810516b5c7dfcacfea201067488e230d1dfd915f2e15a434ff27afea32e3d2729aebe4e251654aeda7cde731c09bc1799cb08

      • C:\Windows\SysWOW64\ntdbg.exe

        Filesize

        22KB

        MD5

        c4ac0f8156e906c5ce75c12c47511de4

        SHA1

        b49b2487ce9778a1822007917937706134789c78

        SHA256

        8ec6c0eda2784306b7356d4901515d6e23834056fedee83485879c5913125c7d

        SHA512

        1976be92e9c92c49abc661343b2ad6d73787f53d82079f5a061a1bc51519bfa66fc997cc05d014bc59dc7020d0e58e9a42704e57ce75c5d862136bc3887d64ec

      • C:\Windows\SysWOW64\rmass.exe

        Filesize

        19KB

        MD5

        aab73f099c13687484d94d91b431eb7a

        SHA1

        20588702447ca2fe4b29b5ad4381e9fd6415cd95

        SHA256

        9c86f4f520d1a90f9395ce38453db3fb0d716f52986af691467004bb52de4fec

        SHA512

        b2e4e44e39fcb6528c4490a2c976f4faa5a892e1f2b6b806a368fb856a2ef46416eb5a1dc9414113547063c2feed15c40b6060805466ca6a7d9fb71a7a02c388

      • C:\Windows\SysWOW64\rmass.exe

        Filesize

        19KB

        MD5

        aab73f099c13687484d94d91b431eb7a

        SHA1

        20588702447ca2fe4b29b5ad4381e9fd6415cd95

        SHA256

        9c86f4f520d1a90f9395ce38453db3fb0d716f52986af691467004bb52de4fec

        SHA512

        b2e4e44e39fcb6528c4490a2c976f4faa5a892e1f2b6b806a368fb856a2ef46416eb5a1dc9414113547063c2feed15c40b6060805466ca6a7d9fb71a7a02c388

      • C:\Windows\SysWOW64\rmass.exe

        Filesize

        19KB

        MD5

        aab73f099c13687484d94d91b431eb7a

        SHA1

        20588702447ca2fe4b29b5ad4381e9fd6415cd95

        SHA256

        9c86f4f520d1a90f9395ce38453db3fb0d716f52986af691467004bb52de4fec

        SHA512

        b2e4e44e39fcb6528c4490a2c976f4faa5a892e1f2b6b806a368fb856a2ef46416eb5a1dc9414113547063c2feed15c40b6060805466ca6a7d9fb71a7a02c388

      • C:\Windows\System32\drivers\etc\hosts

        Filesize

        1KB

        MD5

        6f47b62de25d1745e296a06b3f98ed19

        SHA1

        a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

        SHA256

        15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

        SHA512

        dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

      • memory/1188-2-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB

      • memory/1876-5-0x0000000000400000-0x0000000000411000-memory.dmp

        Filesize

        68KB

      • memory/1876-75-0x0000000000400000-0x0000000000411000-memory.dmp

        Filesize

        68KB

      • memory/3204-85-0x0000000000400000-0x0000000000411000-memory.dmp

        Filesize

        68KB