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Analysis

  • max time kernel
    136s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    13/09/2021, 11:19 UTC

General

  • Target

    ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe

  • Size

    79KB

  • MD5

    2cd5c4ee42e61a0f770d43f8f9ca558f

  • SHA1

    ac2878f25ce42de9d73278a2fecf73565b2f4dfe

  • SHA256

    ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af

  • SHA512

    1ca622e5f06b3fb299ddb7658251f580768bc9e45a1ac0a228a7ce1c318dfbd8103eb155137e8c8fb6255b93cbc4fa49f0540b321add9d3a6b82bc776ae1197d

Malware Config

Signatures

  • ElysiumStealer

    ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe
    "C:\Users\Admin\AppData\Local\Temp\ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1852
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:440

Network

  • flag-us
    DNS
    phonefix.bar
    ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe
    Remote address:
    8.8.8.8:53
    Request
    phonefix.bar
    IN A
    Response
    phonefix.bar
    IN A
    172.67.131.66
    phonefix.bar
    IN A
    104.21.10.67
  • flag-us
    GET
    https://phonefix.bar/api.php?getusers
    ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe
    Remote address:
    172.67.131.66:443
    Request
    GET /api.php?getusers HTTP/1.1
    Host: phonefix.bar
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Date: Mon, 13 Sep 2021 11:19:29 GMT
    Content-Type: text/html; charset=UTF-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    x-powered-by: PHP/7.1.33
    CF-Cache-Status: DYNAMIC
    Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=fsU4uRd4PY5S3R6s23CjVYhapcKsHqBfLrOr%2F692SrYp%2B%2FjwPMP5BHETJ7kDuLtkKQFgp0FWOBMGFZ4p%2FRuprt0HQm4k3pK0rjQ9kwY1LjGMVJBs1OF%2FMBiUJhWuuzE%3D"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 68e0fb16bf9a0132-AMS
    alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400, h3-28=":443"; ma=86400, h3-27=":443"; ma=86400
  • flag-us
    GET
    https://phonefix.bar/api.php
    ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe
    Remote address:
    172.67.131.66:443
    Request
    GET /api.php HTTP/1.1
    Host: phonefix.bar
    Response
    HTTP/1.1 200 OK
    Date: Mon, 13 Sep 2021 11:19:33 GMT
    Content-Type: text/html; charset=UTF-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    x-powered-by: PHP/7.1.33
    CF-Cache-Status: DYNAMIC
    Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=YOML8r9JtzBBh4GUtCgFw5M%2FM8ul01UOC%2FbCY1E6SVoA7GJxGtlMcbPOrzlgSdsg9IzHCeJzubefMgN2Ni6InoXlFm9Vtk%2BPJ3f7VxmA8NGrN0mPausWRAbgzjRWEXk%3D"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 68e0fb327f160132-AMS
    alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400, h3-28=":443"; ma=86400, h3-27=":443"; ma=86400
  • flag-us
    POST
    https://phonefix.bar/
    ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe
    Remote address:
    172.67.131.66:443
    Request
    POST / HTTP/1.1
    Content-Type: multipart/form-data; boundary=------------------------8d976a8db2d9c10
    Host: phonefix.bar
    Content-Length: 3568
    Expect: 100-continue
    Response
    HTTP/1.1 200 OK
    Date: Mon, 13 Sep 2021 11:19:34 GMT
    Content-Type: text/html; charset=UTF-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    x-powered-by: PHP/7.1.33
    CF-Cache-Status: DYNAMIC
    Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=wiaxxuygfuaWGIV7LDvqIhzs3FnZkOjkGdbNhHQYkNm3v4SxKuFD1fmZ0m9i%2Fosd2GB8%2F5Ki%2B4DN0nol76uHFKUJwK2bdcXr8SjNeze2b9J9svAXsur%2FFfJ6ayTaXJg%3D"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 68e0fb36bc520132-AMS
    alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400, h3-28=":443"; ma=86400, h3-27=":443"; ma=86400
  • 172.67.131.66:443
    https://phonefix.bar/
    tls, http
    ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe
    42.7kB
    2.2MB
    836
    1526

    HTTP Request

    GET https://phonefix.bar/api.php?getusers

    HTTP Response

    200

    HTTP Request

    GET https://phonefix.bar/api.php

    HTTP Response

    200

    HTTP Request

    POST https://phonefix.bar/

    HTTP Response

    200
  • 8.8.8.8:53
    phonefix.bar
    dns
    ee621d8e9638c6f298c5d323a7eb5138f6f9c656f8125c692c602422098683af.exe
    58 B
    90 B
    1
    1

    DNS Request

    phonefix.bar

    DNS Response

    172.67.131.66
    104.21.10.67

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/440-58-0x00000000002F0000-0x0000000000308000-memory.dmp

    Filesize

    96KB

  • memory/2040-53-0x0000000001280000-0x0000000001281000-memory.dmp

    Filesize

    4KB

  • memory/2040-55-0x00000000008B0000-0x00000000008CB000-memory.dmp

    Filesize

    108KB

  • memory/2040-56-0x0000000004A20000-0x0000000004A21000-memory.dmp

    Filesize

    4KB

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