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Overview

overview

7

Static

static

3

efba20beef...18.exe

windows7-x64

7

efba20beef...18.exe

windows10-2004-x64

7

$PLUGINSDI...RL.dll

windows7-x64

3

$PLUGINSDI...RL.dll

windows10-2004-x64

3

$PLUGINSDI...ns.dll

windows7-x64

3

$PLUGINSDI...ns.dll

windows10-2004-x64

3

$PLUGINSDI...LL.dll

windows7-x64

3

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...dl.dll

windows7-x64

3

$PLUGINSDI...dl.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDIR/UAC.dll

windows7-x64

3

$PLUGINSDIR/UAC.dll

windows10-2004-x64

3

$PLUGINSDIR/inetc.dll

windows7-x64

3

$PLUGINSDIR/inetc.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...nz.dll

windows7-x64

3

$PLUGINSDI...nz.dll

windows10-2004-x64

3

Analysis

  • max time kernel
    130s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 11:49 UTC

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Report Analysis Logs

General

  • Target

    $PLUGINSDIR/nsisunz.dll

  • Size

    40KB

  • MD5

    5f13dbc378792f23e598079fc1e4422b

  • SHA1

    5813c05802f15930aa860b8363af2b58426c8adf

  • SHA256

    6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d

  • SHA512

    9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5

  • SSDEEP

    384:KExN66Yf2xL5Q4IsjuUjUZfqRDpImexpf88FwHxXvjX3hwlHt6oIfESxSHoOO8n9:O2x64GcVpI3xC8ynToIf1SIOhW4

Score
3/10
discovery

Malware Config

Signatures

  • 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 600
        3⤵
        • Program crash
        PID:2132
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1924 -ip 1924
    1⤵
      PID:3940
    • 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 --field-trial-handle=4376,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=4088 /prefetch:8
      1⤵
        PID:3076

      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
        154.239.44.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        154.239.44.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        73.159.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        73.159.190.20.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
        22.236.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        22.236.111.52.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
        154.239.44.20.in-addr.arpa
        dns
        72 B
         158 B
         1
        1

        DNS Request

        154.239.44.20.in-addr.arpa

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

        DNS Request

        73.159.190.20.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
        22.236.111.52.in-addr.arpa
        dns
        72 B
         158 B
         1
        1

        DNS Request

        22.236.111.52.in-addr.arpa

      MITRE ATT&CK Enterprise v15

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