Analysis

  • max time kernel
    121s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2024 21:06

General

  • Target

    15b75648ad8160565cfd4008ae223ce0_NEAS.exe

  • Size

    1.8MB

  • MD5

    15b75648ad8160565cfd4008ae223ce0

  • SHA1

    2800a25191362b57c9762c74fc668960f11937bc

  • SHA256

    81e18d35c83b04e7ee6288294cdfc7ef57af3c44d44788a21577e808b3a99a9d

  • SHA512

    25eb48fd2ea9a2781b6ed82ebc00b6d4df2ddbe57dee366dd39f67f8dcf9c02cf675c9578b11057d07ae0c6d8cc65371971f51df8eac27cc36e0e27d42bc9b0b

  • SSDEEP

    24576:pRr3fEcKSoIu4cMlay9GvZsk8ynlK01Pi5LO1K4Bb/8GeAyb1L5ZXMUJcapQKS3L:TAUpQ8yU26a1KU8ZAyb15ea61pFWcig

Malware Config

Signatures

  • Detect ZGRat V1 3 IoCs
  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
  • Process spawned unexpected child process 18 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 12 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 18 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\15b75648ad8160565cfd4008ae223ce0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\15b75648ad8160565cfd4008ae223ce0_NEAS.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\dhdteea0\dhdteea0.cmdline"
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESFBA.tmp" "c:\Windows\System32\CSC30FB504C11244C50BCE9404FA30EB81.TMP"
        3⤵
          PID:2484
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\BjxzCtqrkZ.bat"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1900
        • C:\Windows\system32\chcp.com
          chcp 65001
          3⤵
            PID:2556
          • C:\Windows\system32\PING.EXE
            ping -n 10 localhost
            3⤵
            • Runs ping.exe
            PID:2960
          • C:\Program Files\Windows Photo Viewer\es-ES\services.exe
            "C:\Program Files\Windows Photo Viewer\es-ES\services.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1344
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "15b75648ad8160565cfd4008ae223ce0_NEAS1" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Adobe\Reader 9.0\Esl\15b75648ad8160565cfd4008ae223ce0_NEAS.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2828
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "15b75648ad8160565cfd4008ae223ce0_NEAS" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Reader 9.0\Esl\15b75648ad8160565cfd4008ae223ce0_NEAS.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2772
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "15b75648ad8160565cfd4008ae223ce0_NEAS1" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Adobe\Reader 9.0\Esl\15b75648ad8160565cfd4008ae223ce0_NEAS.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2508
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "servicess" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Photo Viewer\es-ES\services.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2940
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\es-ES\services.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2264
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Photo Viewer\es-ES\services.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:1920
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows NT\Accessories\spoolsv.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2880
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Windows NT\Accessories\spoolsv.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2732
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows NT\Accessories\spoolsv.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2784
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Portable Devices\dwm.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2788
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2180
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Portable Devices\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2820
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2856
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:2956
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:3052
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "15b75648ad8160565cfd4008ae223ce0_NEAS1" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\AppData\Local\Temp\15b75648ad8160565cfd4008ae223ce0_NEAS.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:808
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "15b75648ad8160565cfd4008ae223ce0_NEAS" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\15b75648ad8160565cfd4008ae223ce0_NEAS.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:1240
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "15b75648ad8160565cfd4008ae223ce0_NEAS1" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\AppData\Local\Temp\15b75648ad8160565cfd4008ae223ce0_NEAS.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Creates scheduled task(s)
        PID:1372

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Adobe\Reader 9.0\Esl\15b75648ad8160565cfd4008ae223ce0_NEAS.exe

        Filesize

        1.8MB

        MD5

        15b75648ad8160565cfd4008ae223ce0

        SHA1

        2800a25191362b57c9762c74fc668960f11937bc

        SHA256

        81e18d35c83b04e7ee6288294cdfc7ef57af3c44d44788a21577e808b3a99a9d

        SHA512

        25eb48fd2ea9a2781b6ed82ebc00b6d4df2ddbe57dee366dd39f67f8dcf9c02cf675c9578b11057d07ae0c6d8cc65371971f51df8eac27cc36e0e27d42bc9b0b

      • C:\Users\Admin\AppData\Local\Temp\BjxzCtqrkZ.bat

        Filesize

        184B

        MD5

        d02759ee457e48fd002fd70b3ff8e6f2

        SHA1

        e3028f4950ac224bbacd12c4e3fcfd0b205ae973

        SHA256

        c5c43f5a382035cd60ee8d96bc98c09c1d38535c1e29941bd22f44c8b6d99e0b

        SHA512

        6ef75bff207631a11f3a445ae1d76d029edf2e4d76cdc1785c85959ecd061ba8243d3fc0ce66fd582451afec024765cd0354625ee4b3768fab207148091bb211

      • C:\Users\Admin\AppData\Local\Temp\RESFBA.tmp

        Filesize

        1KB

        MD5

        ae72d54150d4984a513fda83b6b44a62

        SHA1

        f30ec45d064d0910e76f1cbd8ebf75d3247cb3a7

        SHA256

        e98a74fffe425848580e8b9ea598db1add984ff6826c7a70783e5e2ee8253a3a

        SHA512

        49a86612cfc166dc6db1272716b8155c3a33968e720ef47655c21d9472f837a7c9eb6e1e1ec1873094ab28043e72923119d3442858e02d8eda5784fbda96caf6

      • \??\c:\Users\Admin\AppData\Local\Temp\dhdteea0\dhdteea0.0.cs

        Filesize

        417B

        MD5

        426e2d9ff8d8cabc89d5dd4505c5461f

        SHA1

        b0402567d22cc35029801349e1c88d4c3d8fddb3

        SHA256

        15cfa94522a00248f8b461aeb7c89f0f6cb8aeafd2d0f70270c1d50b2a21c759

        SHA512

        f3c5d8e6127f8ad8d33ae0a004c148d19944dac96cd4d213c1b51ad6ff333cad39a9928f34991e63fc81eb958edbd8a7233bccc492b88a5d2df34dd085636d21

      • \??\c:\Users\Admin\AppData\Local\Temp\dhdteea0\dhdteea0.cmdline

        Filesize

        235B

        MD5

        6b5b1ed169e59274c6c741f042be9df1

        SHA1

        0570875f683088aaf95820a91b2fb58b21435c7b

        SHA256

        1b1c2e3f874176360125c713cf7100ad75be437a2baec1fbca9c6dda1ef76832

        SHA512

        b7435fa37be9334eafdf1562341f386e0d84a0de8e3888bd5bbf3f8da05bc895576c1a151092b7cd7d995d4228d2c7748dc3a0a1c6b12f0f6f2e0bb636481fc3

      • \??\c:\Windows\System32\CSC30FB504C11244C50BCE9404FA30EB81.TMP

        Filesize

        1KB

        MD5

        3fcb2bd8a227751c0367dff5940613bb

        SHA1

        bcca174ab4499de5713d836fbc368966aa1f5b2c

        SHA256

        aca1f364ec354097cdecc50336698c1180b10ae84fc6051eab154482e0965e8c

        SHA512

        c7357bb6ee27df96ba39066e893ce8521cb1d5c550be24ced7f860e11cc36ecc04fbec14f61da920bca04e0ae150df8dbc53de0c4a6880afa6067bccfe767672

      • memory/1344-49-0x0000000000910000-0x0000000000AEA000-memory.dmp

        Filesize

        1.9MB

      • memory/1688-6-0x0000000000510000-0x000000000051E000-memory.dmp

        Filesize

        56KB

      • memory/1688-9-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-15-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-14-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-17-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-13-0x0000000000520000-0x000000000052C000-memory.dmp

        Filesize

        48KB

      • memory/1688-28-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-11-0x0000000000A90000-0x0000000000AA8000-memory.dmp

        Filesize

        96KB

      • memory/1688-8-0x0000000000540000-0x000000000055C000-memory.dmp

        Filesize

        112KB

      • memory/1688-0-0x000007FEF50B3000-0x000007FEF50B4000-memory.dmp

        Filesize

        4KB

      • memory/1688-4-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-3-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-46-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-2-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

        Filesize

        9.9MB

      • memory/1688-1-0x0000000000C70000-0x0000000000E4A000-memory.dmp

        Filesize

        1.9MB