Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 07:04

General

  • Target

    f16ec3661772f3ec574582df89e9d7fbb1e9c22216dba5eb011e366b62510c47.exe

  • Size

    2.6MB

  • MD5

    33857aaf491139fc1ccf53db39555e6d

  • SHA1

    9530de07d75bf6a2122ac7dcd0ee58fad0aa2ce8

  • SHA256

    f16ec3661772f3ec574582df89e9d7fbb1e9c22216dba5eb011e366b62510c47

  • SHA512

    bd8a14e1823d16adaace2f0c648b6f5ffa9b848232185ae295e7560683743c5ac7a2590d9db8034553afd38bed82f2f2f8e7a7df7215fd3fdf64b5e93a8aa64b

  • SSDEEP

    49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBIB/bS:sxX7QnxrloE5dpUpLb

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f16ec3661772f3ec574582df89e9d7fbb1e9c22216dba5eb011e366b62510c47.exe
    "C:\Users\Admin\AppData\Local\Temp\f16ec3661772f3ec574582df89e9d7fbb1e9c22216dba5eb011e366b62510c47.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysaopti.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysaopti.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3096
    • C:\Files1S\xbodloc.exe
      C:\Files1S\xbodloc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4580

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Files1S\xbodloc.exe

          Filesize

          17KB

          MD5

          b368be22b6f3efa4cb1810b4e2cb27d5

          SHA1

          96d9349871e2237380f6a6a964652272f27904cf

          SHA256

          0ce0efd3c2aeed662f19833d3c79744b8359494af12b382b3e7777d0c7994675

          SHA512

          af2f2195302b6a944a5992be11177f07c76f88b892b66482c2c157ae316974d20fe28185e8aebe84e480ad1d768f3116cf63f72f7876477c9534741de1d0a0c9

        • C:\Files1S\xbodloc.exe

          Filesize

          2.6MB

          MD5

          d819e8ee1b49c3100c84602b07f39c53

          SHA1

          f4c9baf33cf7e8df4cd541409744556d79deb073

          SHA256

          054a3b847575d76efa4f09ddce9e5ebc8fb8cc066cf2d57d3e8135f2260ad288

          SHA512

          6da752a2e0b60aa9c41cf056d1635d92d92307749661034bba95b3a29d3cdb59298b2a87d7ec8fe7971e3e71e34e8714622d2d406bdd9f155c04399c92207484

        • C:\KaVBOQ\optiaec.exe

          Filesize

          12KB

          MD5

          5ce46de9d1c8ab23eeb8a98bb0b2232e

          SHA1

          eb2b026ffaf5a7802065fa5971c5c4495fa6763a

          SHA256

          0f99b7bc2b192971b8bed8dbf4f50389b59e62d5cae4d0fbbb58657c2730a6b0

          SHA512

          173969eb6ea4e493f9c0d1c1df5c1080fb72fc38f0fc13e5eaffdd7eeae658b9464603a66d0a918d3f86bca65b97dccfd201cd7d66c1758e452476026a290712

        • C:\KaVBOQ\optiaec.exe

          Filesize

          2.6MB

          MD5

          bb28c6c767235644c585e3bdd462431c

          SHA1

          987c425dae3cb9a528ffdb7ff7aaf3035a513775

          SHA256

          2eebbdc69c18bfba0d93c84ec4c53d8bbc545b2a961fb13f80e83d4f9cdfbe96

          SHA512

          52f7dd7b5d12ac5a40c919a048a57cc9f58eee83fb0c7ae54ce0b27af8770917013ed50f35fcc424a9ac2152c856aadd121a06a701a67fd6aa369c8a741b8643

        • C:\Users\Admin\253086396416_10.0_Admin.ini

          Filesize

          201B

          MD5

          b2f7d5c0f9ce10cadf6f8273903220a8

          SHA1

          4248a149860367004ad6017a93aef54a9b7dc5a5

          SHA256

          40da32f78a992be999daa600bd51685178b79f968c5a170f4cd5b90825cc3df3

          SHA512

          cd4173132302e09a2f83391bbed64955f9384ce3be0da258c9fb9b7af5455df9c09d4f7a6c81924efd1ae3ad7435189c68dc795e5723c11c050b0b54326401fe

        • C:\Users\Admin\253086396416_10.0_Admin.ini

          Filesize

          169B

          MD5

          b50ad40c11403182bdd3e63fd2f51911

          SHA1

          c9debdced362fd3d73342c98095711c8e7618aab

          SHA256

          b8fc3eea296c2bacd35667b83fec10a4096b7870d1a9bc5c98472912ece39010

          SHA512

          5907498aea9387584b07cd26398a0b6eddab56db2f80dd98833002ef20fc6611ee873eeee8e9a7fb517917a4c61e838286647d7c2808b3f929679c3309edea4b

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysaopti.exe

          Filesize

          2.6MB

          MD5

          30822b51d1508e1fb9c14f48bee9f4d6

          SHA1

          49faa70482c4db6f0865fe28fdc53e36d5702f1d

          SHA256

          9b86b025438597309fefd7edec837f855072cad3b290683374fd1e74b803dfab

          SHA512

          3eb5e31ef17a1bd01eaed70f57fa406f583e749139c899012c4e45af6e2b4fc5dec70ed0db70391798e5d9a815ccdaf687a94877f79475df2fa6397c3c2e946d