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Overview

overview

7

Static

static

7

tmp.exe

windows7-x64

4

tmp.exe

windows10-2004-x64

5

$PLUGINSDI...er.dll

windows7-x64

3

$PLUGINSDI...er.dll

windows10-2004-x64

3

$PLUGINSDI...Vs.dll

windows7-x64

3

$PLUGINSDI...Vs.dll

windows10-2004-x64

3

$PLUGINSDI...ib.dll

windows7-x64

1

$PLUGINSDI...ib.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...up.exe

windows7-x64

7

$PLUGINSDI...up.exe

windows10-2004-x64

7

$PLUGINSDI...00.dll

windows7-x64

1

$PLUGINSDI...00.dll

windows10-2004-x64

1

$PLUGINSDI...00.dll

windows7-x64

1

$PLUGINSDI...00.dll

windows10-2004-x64

1

$PLUGINSDIR/nsDui.dll

windows7-x64

3

$PLUGINSDIR/nsDui.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ss.dll

windows7-x64

3

$PLUGINSDI...ss.dll

windows10-2004-x64

3

$PLUGINSDI...7z.dll

windows7-x64

3

$PLUGINSDI...7z.dll

windows10-2004-x64

3

$PLUGINSDI...ry.dll

windows7-x64

3

$PLUGINSDI...ry.dll

windows10-2004-x64

3

$PLUGINSDI...ll.exe

windows7-x64

4

$PLUGINSDI...ll.exe

windows10-2004-x64

5

$PLUGINSDI...er.dll

windows7-x64

3

$PLUGINSDI...er.dll

windows10-2004-x64

3

$PLUGINSDI...Vs.dll

windows7-x64

3

$PLUGINSDI...Vs.dll

windows10-2004-x64

3

Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/02/2024, 09:09 UTC

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Report Analysis Logs

General

  • Target

    $PLUGINSDIR/BgWorker.dll

  • Size

    2KB

  • MD5

    33ec04738007e665059cf40bc0f0c22b

  • SHA1

    4196759a922e333d9b17bda5369f14c33cd5e3bc

  • SHA256

    50f735ab8f3473423e6873d628150bbc0777be7b4f6405247cddf22bb00fb6be

  • SHA512

    2318b01f0c2f2f021a618ca3e6e5c24a94df5d00154766b77160203b8b0a177c8581c7b688ffe69be93a69bc7fd06b8a589844d42447f5060fb4bcf94d8a9aef

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#1
      2⤵
        PID:4772
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 604
          3⤵
          • Program crash
          PID:4904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4772 -ip 4772
      1⤵
        PID:2472

      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
        240.221.184.93.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        240.221.184.93.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
        68.159.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        68.159.190.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        241.150.49.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        241.150.49.20.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
        18.31.95.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        18.31.95.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        18.134.221.88.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        18.134.221.88.in-addr.arpa
        IN PTR
        Response
        18.134.221.88.in-addr.arpa
        IN PTR
        a88-221-134-18deploystaticakamaitechnologiescom
      • flag-us
        DNS
        79.121.231.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        79.121.231.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        10.179.89.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        10.179.89.13.in-addr.arpa
        IN PTR
        Response
      • 52.142.223.178:80
        104 B
         2
      • 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
        240.221.184.93.in-addr.arpa
        dns
        73 B
         144 B
         1
        1

        DNS Request

        240.221.184.93.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
        68.159.190.20.in-addr.arpa
        dns
        72 B
         158 B
         1
        1

        DNS Request

        68.159.190.20.in-addr.arpa

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

        DNS Request

        241.150.49.20.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
        18.31.95.13.in-addr.arpa
        dns
        70 B
         144 B
         1
        1

        DNS Request

        18.31.95.13.in-addr.arpa

      • 8.8.8.8:53
        18.134.221.88.in-addr.arpa
        dns
        72 B
         137 B
         1
        1

        DNS Request

        18.134.221.88.in-addr.arpa

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

        DNS Request

        79.121.231.20.in-addr.arpa

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

        DNS Request

        10.179.89.13.in-addr.arpa

      MITRE ATT&CK Matrix

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