Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 23:27

General

  • Target

    6e5d75df178873a8fb7f34da940d2ff7875f726674b7bac830f97e0ed40c02d1.exe

  • Size

    2.6MB

  • MD5

    e38140640c98a63a8f77a11318314497

  • SHA1

    04eaa25131abcde8ba90647f08998b2f0b550034

  • SHA256

    6e5d75df178873a8fb7f34da940d2ff7875f726674b7bac830f97e0ed40c02d1

  • SHA512

    43d60cf61ded1b731022303b85e641b80f4bb4da3400d65d5e9f53ff7d9956d7bd9dc57f16ec41ae13f881e757c4df5ce4d7b84c04c14a85331388b51f5b6e64

  • SSDEEP

    49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LB8B/bS:sxX7QnxrloE5dpUpnb

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 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\6e5d75df178873a8fb7f34da940d2ff7875f726674b7bac830f97e0ed40c02d1.exe
    "C:\Users\Admin\AppData\Local\Temp\6e5d75df178873a8fb7f34da940d2ff7875f726674b7bac830f97e0ed40c02d1.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:1848
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecdevdob.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecdevdob.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5012
    • C:\FilesZ8\xoptisys.exe
      C:\FilesZ8\xoptisys.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1572

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\FilesZ8\xoptisys.exe

          Filesize

          2.6MB

          MD5

          ae95fad4fb3d05b8aff223d5469361d6

          SHA1

          e8139931f3f192d6b860503f6138859d9eed0369

          SHA256

          601cde37eef8a98dd7ac0bb3ad8cc697d5eb72a65e557c8e0e654e509edd7f33

          SHA512

          f267c43b59f50b6b605d3ff6b02a567d48122680f4b07a427a7fec62c1c8399de563725582c7d1326b31bee7deb7cb2f76d1aa8965b8ed161bd14762becef09e

        • C:\Mint21\optixloc.exe

          Filesize

          2.6MB

          MD5

          bb2583d5d65672c0c920009cc0131d97

          SHA1

          15fad637a492850f275e6fe6eb5c9ecf90f19495

          SHA256

          90be6b8ef9515d60ca46443c9119b7c2cb0a07f1aa3a0d9cb5de0f5559378ee3

          SHA512

          b66a11930b3c62cc0ce897dae32b0a80376d33f5512b70f9981af2b1f0a2d33d26ccaf5efb92abcf6d2e7d059bc48609b624bf5c5f56fe655ef0bc77792aef71

        • C:\Mint21\optixloc.exe

          Filesize

          7KB

          MD5

          84c3a9ef71c6c32cc10faa7a3122fe8d

          SHA1

          44094cadec949c065d4321a4cb7bb4c11cd999f9

          SHA256

          de832fdf2de3a5ef6ef5856b88230214e4a82f75e7bd75a06e26b26295f3f07b

          SHA512

          f1a129f7aed7cc664d5863e93709d5db2f4f45caf6e6372303a8d02f820d81b54c422a04eb54ae98bd4ba94cd7035a4f0faa9a15bf71b5210f2274fb4f64ac3a

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

          Filesize

          203B

          MD5

          1560cada12c7c8047dde7ea7f16c6318

          SHA1

          aea2a0cf12cd10c7fe6a56f8a510b95ae8510669

          SHA256

          43b988bd361fd0ab31ff17b045747fa131561e78bb8184e52ab6c9f372f53ce0

          SHA512

          b24ef4f36146c76a78e1829f859211576d90755c4d5df699a8e7713c2c921efc0c47a094ef2c8a605aff478bd222fc66852d828503b4d74eec7d0cc7401701f2

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

          Filesize

          171B

          MD5

          e4c7a332abd40fa8a7ed3d3e9df35a1e

          SHA1

          8782de0e487034c644bd9a8dbe453f287278f834

          SHA256

          8efe758ab7204bb1edb71dbd6e5bd057669928535400451d68be3401a0076ff7

          SHA512

          b20e631f046a9e0a05ff82cb73d8f88107e172b3f87196068c78063d353e523e154059bb5bac12a316c9d3884025e3ea98db1ed0e1bce6f1aa66e2e227b8d56c

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

          Filesize

          2.6MB

          MD5

          dcdbe7d174fd13cbe62cd789322df76c

          SHA1

          c3343464c06cc3d6b1b5fb58df226520f6c10262

          SHA256

          129bf6b5e706ad8a0cf213a0e312683fff070600ba68159dd49dc9ed3fdaaa2a

          SHA512

          e17397118592984bc560119fe4f7bef384c84e0aaf62babd5a9ae573f454a719f1a198750faf6a198607abc280ef2b75aeecdec25c137cdba7d902e648d1f27b