Windows 7 deprecation

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

Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 21:14

General

  • Target

    575b492dde6a22eb32d5bb2c146054a0_NEIKI.exe

  • Size

    4.0MB

  • MD5

    575b492dde6a22eb32d5bb2c146054a0

  • SHA1

    b508611429e8e63a87c6e47459ee72917a82a091

  • SHA256

    211c254f45f6fb09fe27227a46fe7f4cccfb3468362acc250fa2db0197d60886

  • SHA512

    140d8827182fa99d5545995003a09322e10da4a4f64616c231eb070fc982b0b64c99708492a2e25fa9cd172791d80e300aa2f986e3804728553badb633e694e6

  • SSDEEP

    98304:AdL9xWLs1Esvx3VRy2XOwnqoQyVHXoblgL74+7e:AzwM5S2X9qM3oqLU+7e

Malware Config

Extracted

Family

socks5systemz

C2

51.159.66.125

217.23.6.51

151.80.38.159

217.23.9.168

37.187.122.227

Attributes
  • rc4_key

    heyfg645fdhwi

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 28 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\575b492dde6a22eb32d5bb2c146054a0_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\575b492dde6a22eb32d5bb2c146054a0_NEIKI.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Users\Admin\AppData\Local\Temp\is-N2H02.tmp\is-J3PRN.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N2H02.tmp\is-J3PRN.tmp" /SL4 $D004C "C:\Users\Admin\AppData\Local\Temp\575b492dde6a22eb32d5bb2c146054a0_NEIKI.exe" 3876134 242176
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3220
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2348
        • C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe
          "C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1392
        • C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe
          "C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2084
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1796

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe

        Filesize

        2.0MB

        MD5

        330c3f73c995dbc18c9211269fc579ee

        SHA1

        32596c55cfc47c80a8c21dbb28538836cecec40d

        SHA256

        c558e1a93895386068de911f2f92b9e7680b7e3b3649894ccae8f7b12d56849d

        SHA512

        13e095500ad5a57637a7d53ca88deae73921388a0959298fbb8a127f08bec7b108d00405063e6138d1b572b19da9a16ee48564a6ed43880f2a83bdb5428756ca

      • C:\Users\Admin\AppData\Local\Temp\is-5BKSC.tmp\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-N2H02.tmp\is-J3PRN.tmp

        Filesize

        643KB

        MD5

        a991510c12f20ccf8a5231a32a7958c3

        SHA1

        122724d1a4fdea39af3aa427e4941158d7e91dfa

        SHA256

        0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

        SHA512

        8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

      • memory/1392-78-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/1392-77-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/1392-75-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/1392-73-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-95-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-99-0x00000000006F0000-0x000000000079A000-memory.dmp

        Filesize

        680KB

      • memory/2084-118-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-115-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-112-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-109-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-106-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-83-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-86-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-89-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-92-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-103-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-98-0x0000000000400000-0x0000000000609000-memory.dmp

        Filesize

        2.0MB

      • memory/3220-82-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

      • memory/3220-8-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

      • memory/3220-56-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

      • memory/4844-55-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/4844-0-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/4844-3-0x0000000000401000-0x000000000040A000-memory.dmp

        Filesize

        36KB

      • memory/4844-2-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB