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Overview

overview

3

Static

static

3

HotkeyControl.dll

windows7-x64

1

HotkeyControl.dll

windows10-2004-x64

1

SimpleSoundPlayer.exe

windows7-x64

1

SimpleSoundPlayer.exe

windows10-2004-x64

3

ikpFlac.dll

windows7-x64

1

ikpFlac.dll

windows10-2004-x64

1

ikpMP3.dll

windows7-x64

1

ikpMP3.dll

windows10-2004-x64

1

irrKlang.NET4.dll

windows7-x64

1

irrKlang.NET4.dll

windows10-2004-x64

1

Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2023, 15:28 UTC

Sharing

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General

  • Target

    irrKlang.NET4.dll

  • Size

    490KB

  • MD5

    ac0b6db031b4d88249f08d3650be9689

  • SHA1

    cc54333d6bea758aac973eb2fdcb89c15ba20611

  • SHA256

    c8bc680a6d599d7981d7566118d3d8195aa8dd66fdd9419e1869adbeb1132e05

  • SHA512

    085f09580c2b0186d252838865a059b019dbf806c85b2ec78969cd568a0aa11518c9d91f6392f345c270a05617457c37042d24083e973fe7c09bdc33d2797b9b

  • SSDEEP

    6144:4rZDB3AZ7yTNXDD4mQs19LbBXVtNF7R+E84F7IXo+ApnNKGekmnjOfY8R0G62B:4rZmINXP4mQs3184hI43pNKGekvO2

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\irrKlang.NET4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\irrKlang.NET4.dll,#1
      2⤵
        PID:4356

    Network

    • flag-us
      DNS
      20.160.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      20.160.190.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      59.128.231.4.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      59.128.231.4.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
      126.210.247.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      126.210.247.8.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      9.228.82.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      9.228.82.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      204.45.123.104.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      204.45.123.104.in-addr.arpa
      IN PTR
      Response
      204.45.123.104.in-addr.arpa
      IN PTR
      a104-123-45-204deploystaticakamaitechnologiescom
    • flag-us
      DNS
      2.136.104.51.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      2.136.104.51.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
      56.126.166.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      56.126.166.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      254.169.241.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      254.169.241.8.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      192.98.74.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      192.98.74.40.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      20.160.190.20.in-addr.arpa
      dns
      72 B
       158 B
       1
      1

      DNS Request

      20.160.190.20.in-addr.arpa

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

      DNS Request

      59.128.231.4.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
      126.210.247.8.in-addr.arpa
      dns
      72 B
       126 B
       1
      1

      DNS Request

      126.210.247.8.in-addr.arpa

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

      DNS Request

      9.228.82.20.in-addr.arpa

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

      DNS Request

      204.45.123.104.in-addr.arpa

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

      DNS Request

      2.136.104.51.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
      56.126.166.20.in-addr.arpa
      dns
      72 B
       158 B
       1
      1

      DNS Request

      56.126.166.20.in-addr.arpa

    • 8.8.8.8:53
      254.169.241.8.in-addr.arpa
      dns
      72 B
       126 B
       1
      1

      DNS Request

      254.169.241.8.in-addr.arpa

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

      DNS Request

      192.98.74.40.in-addr.arpa

    MITRE ATT&CK Matrix

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    Downloads

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