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Overview

overview

10

Static

static

3

8339df0ee1...4N.exe

windows7-x64

10

8339df0ee1...4N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2025, 02:44 UTC

Sharing

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General

  • Target

    8339df0ee1940b015d6947251075b9b5358873e2d2fc18bba4ff1a61a2622314N.exe

  • Size

    605KB

  • MD5

    7911bd652bca701a36b5fe96a0dc8900

  • SHA1

    418308207717c850b7a74a14ae1053a8c4bff294

  • SHA256

    8339df0ee1940b015d6947251075b9b5358873e2d2fc18bba4ff1a61a2622314

  • SHA512

    732bd8c05d1b78e2f4c698afb2bab60fddc22c9016b14a744ae417e87b065a17f0df793e34774c9cfb19348ce751ee3de3e38ce928e78e85fd982ed20a1b5fd2

  • SSDEEP

    12288:fjYg5tiix9ugELOinHC/wlBbCEor5SEeagw90mNV6hEjzLSgT:fjH59XEjniYlB3K5S82mz6yeg

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\8339df0ee1940b015d6947251075b9b5358873e2d2fc18bba4ff1a61a2622314N.exe
    "C:\Users\Admin\AppData\Local\Temp\8339df0ee1940b015d6947251075b9b5358873e2d2fc18bba4ff1a61a2622314N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2388

Network

  • flag-us
    DNS
    228.249.119.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    228.249.119.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    76.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    76.32.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • 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
    56.163.245.4.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    56.163.245.4.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
    217.135.221.88.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    217.135.221.88.in-addr.arpa
    IN PTR
    Response
    217.135.221.88.in-addr.arpa
    IN PTR
    a88-221-135-217deploystaticakamaitechnologiescom
  • flag-us
    DNS
    30.243.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    30.243.111.52.in-addr.arpa
    IN PTR
    Response
No results found
  • 8.8.8.8:53
    228.249.119.40.in-addr.arpa
    dns
    73 B
     159 B
     1
    1

    DNS Request

    228.249.119.40.in-addr.arpa

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

    DNS Request

    76.32.126.40.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
     144 B
     1
    1

    DNS Request

    95.221.229.192.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
    56.163.245.4.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    56.163.245.4.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
    217.135.221.88.in-addr.arpa
    dns
    73 B
     139 B
     1
    1

    DNS Request

    217.135.221.88.in-addr.arpa

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

    DNS Request

    30.243.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2388-0-0x0000000001000000-0x00000000011CE000-memory.dmp

    Filesize

    1.8MB

    Download

  • memory/2388-1-0x0000000001003000-0x0000000001004000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2388-2-0x0000000001000000-0x00000000011CE000-memory.dmp

    Filesize

    1.8MB

    Download

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