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Overview

overview

10

Static

static

3

客户端/...ab.dll

windows7-x64

1

客户端/...ab.dll

windows10-2004-x64

3

客户端/...ro.dll

windows7-x64

1

客户端/...ro.dll

windows10-2004-x64

1

客户端/...��.exe

windows7-x64

10

客户端/...��.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    139s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 14:46 UTC

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General

  • Target

    客户端/20201108/libcro.dll

  • Size

    74KB

  • MD5

    eb21f4f06f900c89519ccf17a0ead35b

  • SHA1

    ad30037f31f910ece2ba79fa30e55128d63059e6

  • SHA256

    618e38e0e5ccdefbd4bc4987f60c40f1c2f733c2441ed2026d1530910d7196bd

  • SHA512

    dd58edad7fdd0e8f352805f75bff7bfda1b016f0815b8df68b9947e456b47f140fc470dbf9ec37adc724601c27ca7276ba88bdc62573b44167bcd12c19cc482a

  • SSDEEP

    1536:TW4k95Lkeu4BImLAEgioTc8AJsWjcd53aI/n5K:TWn5IyVGF53nc

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\客户端\20201108\libcro.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\客户端\20201108\libcro.dll,#1
      2⤵
        PID:1464
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3976 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3160

      Network

      • flag-us
        DNS
        249.197.17.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        249.197.17.2.in-addr.arpa
        IN PTR
        Response
        249.197.17.2.in-addr.arpa
        IN PTR
        a2-17-197-249deploystaticakamaitechnologiescom
      • flag-us
        DNS
        232.168.11.51.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        232.168.11.51.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        140.32.126.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        140.32.126.40.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
        50.23.12.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        50.23.12.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        206.23.85.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        206.23.85.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        24.139.73.23.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        24.139.73.23.in-addr.arpa
        IN PTR
        Response
        24.139.73.23.in-addr.arpa
        IN PTR
        a23-73-139-24deploystaticakamaitechnologiescom
      • flag-us
        DNS
        97.17.167.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        97.17.167.52.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
      • flag-us
        DNS
        192.142.123.92.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        192.142.123.92.in-addr.arpa
        IN PTR
        Response
        192.142.123.92.in-addr.arpa
        IN PTR
        a92-123-142-192deploystaticakamaitechnologiescom
      • flag-us
        DNS
        89.65.42.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        89.65.42.20.in-addr.arpa
        IN PTR
        Response
      • 20.231.121.79:80
        46 B
         1
      • 8.8.8.8:53
        249.197.17.2.in-addr.arpa
        dns
        71 B
         135 B
         1
        1

        DNS Request

        249.197.17.2.in-addr.arpa

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

        DNS Request

        232.168.11.51.in-addr.arpa

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

        DNS Request

        140.32.126.40.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
        206.23.85.13.in-addr.arpa
        dns
        71 B
         145 B
         1
        1

        DNS Request

        206.23.85.13.in-addr.arpa

      • 8.8.8.8:53
        50.23.12.20.in-addr.arpa
        dns
        70 B
         156 B
         1
        1

        DNS Request

        50.23.12.20.in-addr.arpa

      • 8.8.8.8:53
        24.139.73.23.in-addr.arpa
        dns
        71 B
         135 B
         1
        1

        DNS Request

        24.139.73.23.in-addr.arpa

      • 8.8.8.8:53
        97.17.167.52.in-addr.arpa
        dns
        71 B
         145 B
         1
        1

        DNS Request

        97.17.167.52.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

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

        DNS Request

        192.142.123.92.in-addr.arpa

      • 8.8.8.8:53
        89.65.42.20.in-addr.arpa
        dns
        70 B
         156 B
         1
        1

        DNS Request

        89.65.42.20.in-addr.arpa

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