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Overview

overview

10

Static

static

3

JaffaCakes...9f.exe

windows7-x64

10

JaffaCakes...9f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2025, 04:20 UTC

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General

  • Target

    JaffaCakes118_77973cf4a64bd05761db62fddedda79f.exe

  • Size

    476KB

  • MD5

    77973cf4a64bd05761db62fddedda79f

  • SHA1

    18e8679a577fb83292bc0c4ef4b7ddf04d149a1e

  • SHA256

    c763b3f029885c6492615bb7655dead9a2333213b997bb4c3e9c02623cae1f54

  • SHA512

    eb361ffe4ca25b72e1d1a5f9d479991cce7aca0de501327fc515244e8dbb0ad2e9c2b66942d16d44b57fdc8853f9aa43831188ffa1086397e9523c1f60e37372

  • SSDEEP

    12288:xYmIjE7eNdKcWEbi2Ubr4TgyUbZm6qCs8e/G:L7eNAYbi2Ub8T5geL

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 4 IoCs
    backdoor
  • Program crash 1 IoCs
  • 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\JaffaCakes118_77973cf4a64bd05761db62fddedda79f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77973cf4a64bd05761db62fddedda79f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 532
      2⤵
      • Program crash
      PID:1452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4280 -ip 4280
    1⤵
      PID:2144

    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
      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
      73.31.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      73.31.126.40.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
      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
      209.205.72.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      209.205.72.20.in-addr.arpa
      IN PTR
      Response
    • 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
      171.39.242.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      171.39.242.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      86.49.80.91.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      86.49.80.91.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      172.210.232.199.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      172.210.232.199.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
    • flag-us
      DNS
      31.243.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      31.243.111.52.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
      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
      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
      73.31.126.40.in-addr.arpa
      dns
      71 B
       157 B
       1
      1

      DNS Request

      73.31.126.40.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
      209.205.72.20.in-addr.arpa
      dns
      72 B
       158 B
       1
      1

      DNS Request

      209.205.72.20.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
      171.39.242.20.in-addr.arpa
      dns
      72 B
       158 B
       1
      1

      DNS Request

      171.39.242.20.in-addr.arpa

    • 8.8.8.8:53
      86.49.80.91.in-addr.arpa
      dns
      70 B
       145 B
       1
      1

      DNS Request

      86.49.80.91.in-addr.arpa

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

      DNS Request

      172.210.232.199.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

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

      DNS Request

      31.243.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4280-0-0x0000000000ABB000-0x0000000000B4F000-memory.dmp

      Filesize

      592KB

      Download

    • memory/4280-1-0x0000000000A40000-0x0000000000B4F000-memory.dmp

      Filesize

      1.1MB

      Download

    • memory/4280-2-0x0000000000ABB000-0x0000000000B4F000-memory.dmp

      Filesize

      592KB

      Download

    • memory/4280-3-0x0000000000A40000-0x0000000000B4F000-memory.dmp

      Filesize

      1.1MB

      Download

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