Overview

overview

10

Static

static

3

8b09ca49e3...45.exe

windows7-x64

10

8b09ca49e3...45.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2025, 04:49 UTC

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General

  • Target

    8b09ca49e3fe47fcde6da6711ebce9e3e09558d7c3091c121fb63b7d8bf35545.exe

  • Size

    725KB

  • MD5

    ce739a6a48d1fdb37c8d017e7376184f

  • SHA1

    3df5303e08681b62bf74be3e86b5375273488923

  • SHA256

    8b09ca49e3fe47fcde6da6711ebce9e3e09558d7c3091c121fb63b7d8bf35545

  • SHA512

    1ab5ee8900e516a355a406168921b5f000a413743f2636ea31a6a82299a61a9119c28bb1288868ce32c70cf08c64f68822a551aa64df9abba9f5a0f733ab9bee

  • SSDEEP

    12288:cDQ1nScI+uWduLDtQOczWl7IJmsUHp+gM++aCppbiko5r7H5QQt32SxGn0xYUxBv:IQ1nfZdPPzwU/bVotZQU0uYQAVgXJwqw

Score
10/10
expirobackdoordiscovery

Malware Config

Signatures

  • Expiro family
    expiro
  • Expiro, m0yv

    Expiro aka m0yv is a multi-functional backdoor written in C++.

    backdoorexpiro
  • Expiro payload 1 IoCs
    backdoor
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b09ca49e3fe47fcde6da6711ebce9e3e09558d7c3091c121fb63b7d8bf35545.exe
    "C:\Users\Admin\AppData\Local\Temp\8b09ca49e3fe47fcde6da6711ebce9e3e09558d7c3091c121fb63b7d8bf35545.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:5004

Network

  • flag-us
    DNS
    8.8.8.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    8.8.8.8.in-addr.arpa
    IN PTR
    Response
    8.8.8.8.in-addr.arpa
    IN PTR
    dnsgoogle
  • flag-us
    DNS
    217.106.137.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    217.106.137.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    60.153.16.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    60.153.16.2.in-addr.arpa
    IN PTR
    Response
    60.153.16.2.in-addr.arpa
    IN PTR
    a2-16-153-60deploystaticakamaitechnologiescom
  • flag-us
    DNS
    167.173.78.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    167.173.78.104.in-addr.arpa
    IN PTR
    Response
    167.173.78.104.in-addr.arpa
    IN PTR
    a104-78-173-167deploystaticakamaitechnologiescom
  • flag-us
    DNS
    71.31.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    71.31.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    28.118.140.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    28.118.140.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    28.118.140.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    28.118.140.52.in-addr.arpa
    IN PTR
  • flag-us
    DNS
    212.20.149.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    212.20.149.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    133.211.185.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    133.211.185.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    8.153.16.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    8.153.16.2.in-addr.arpa
    IN PTR
    Response
    8.153.16.2.in-addr.arpa
    IN PTR
    a2-16-153-8deploystaticakamaitechnologiescom
  • flag-us
    DNS
    13.227.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    13.227.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    172.214.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.214.232.199.in-addr.arpa
    IN PTR
    Response
No results found
  • 8.8.8.8:53
    8.8.8.8.in-addr.arpa
    dns
    66 B
     90 B
     1
    1

    DNS Request

    8.8.8.8.in-addr.arpa

  • 8.8.8.8:53
    217.106.137.52.in-addr.arpa
    dns
    73 B
     147 B
     1
    1

    DNS Request

    217.106.137.52.in-addr.arpa

  • 8.8.8.8:53
    60.153.16.2.in-addr.arpa
    dns
    70 B
     133 B
     1
    1

    DNS Request

    60.153.16.2.in-addr.arpa

  • 8.8.8.8:53
    167.173.78.104.in-addr.arpa
    dns
    73 B
     139 B
     1
    1

    DNS Request

    167.173.78.104.in-addr.arpa

  • 8.8.8.8:53
    71.31.126.40.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    71.31.126.40.in-addr.arpa

  • 8.8.8.8:53
    28.118.140.52.in-addr.arpa
    dns
    144 B
     158 B
     2
    1

    DNS Request

    28.118.140.52.in-addr.arpa

    DNS Request

    28.118.140.52.in-addr.arpa

  • 8.8.8.8:53
    212.20.149.52.in-addr.arpa
    dns
    72 B
     146 B
     1
    1

    DNS Request

    212.20.149.52.in-addr.arpa

  • 8.8.8.8:53
    198.187.3.20.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    198.187.3.20.in-addr.arpa

  • 8.8.8.8:53
    133.211.185.52.in-addr.arpa
    dns
    73 B
     147 B
     1
    1

    DNS Request

    133.211.185.52.in-addr.arpa

  • 8.8.8.8:53
    8.153.16.2.in-addr.arpa
    dns
    69 B
     131 B
     1
    1

    DNS Request

    8.153.16.2.in-addr.arpa

  • 8.8.8.8:53
    13.227.111.52.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    13.227.111.52.in-addr.arpa

  • 8.8.8.8:53
    172.214.232.199.in-addr.arpa
    dns
    74 B
     128 B
     1
    1

    DNS Request

    172.214.232.199.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/5004-0-0x0000000001000000-0x000000000127E000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/5004-1-0x0000000001019000-0x000000000101A000-memory.dmp

    Filesize

    4KB

    Download

  • memory/5004-2-0x0000000001000000-0x000000000127E000-memory.dmp

    Filesize

    2.5MB

    Download

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