Resubmissions

12/04/2023, 11:41 UTC

230412-ntr64ade2t 10

31/03/2023, 17:39 UTC

230331-v8d2cadd8y 10

Analysis

  • max time kernel
    136s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2023, 11:41 UTC

General

  • Target

    Ransomware.exe

  • Size

    322KB

  • MD5

    39f33d6842fa6495ccd7a41e8ddcb9b8

  • SHA1

    61cd2b3e22e2e6e514d611d3154e001f7e9fd195

  • SHA256

    416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb

  • SHA512

    97e8b15b82b70efebbf5cbfbbd4ac4925a7300049f5866bf01b59396de43c633342b5bc2ed657aae573c9f77e2dd20fe67234110aef048c49a2af9c8bd45dc29

  • SSDEEP

    3072:iMMFnguNpdYSkMXV2KMMEuWgY792XaY6UTuuAk2usbA+klAGPqhdp4efHxub8ehY:ideMXVeuWgY79OWpmq/yQxuAeS9Jb/

Malware Config

Signatures

  • Detect MafiaWare666 ransomware 1 IoCs
  • MafiaWare666 Ransomware

    MafiaWare666 is ransomware written in C# with multiple variants.

  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransomware.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    PID:100

Network

  • flag-us
    DNS
    133.211.185.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    133.211.185.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    17.160.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    17.160.190.20.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
    149.220.183.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    149.220.183.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    0.77.109.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    0.77.109.52.in-addr.arpa
    IN PTR
    Response
  • 40.74.98.192:443
    322 B
    7
  • 52.152.110.14:443
    260 B
    5
  • 173.223.113.164:443
    322 B
    7
  • 173.223.113.131:80
    322 B
    7
  • 204.79.197.203:80
    322 B
    7
  • 52.152.110.14:443
    260 B
    5
  • 93.184.221.240:80
    322 B
    7
  • 52.152.110.14:443
    260 B
    5
  • 52.152.110.14:443
    260 B
    5
  • 52.152.110.14:443
    260 B
    5
  • 52.152.110.14:443
    208 B
    4
  • 8.8.8.8:53
    133.211.185.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    133.211.185.52.in-addr.arpa

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

    DNS Request

    17.160.190.20.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
    149.220.183.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    149.220.183.52.in-addr.arpa

  • 8.8.8.8:53
    0.77.109.52.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    0.77.109.52.in-addr.arpa

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/100-133-0x0000000000530000-0x0000000000586000-memory.dmp

    Filesize

    344KB

  • memory/100-134-0x00000000054B0000-0x0000000005A54000-memory.dmp

    Filesize

    5.6MB

  • memory/100-135-0x0000000004FA0000-0x0000000005032000-memory.dmp

    Filesize

    584KB

  • memory/100-136-0x00000000051F0000-0x0000000005200000-memory.dmp

    Filesize

    64KB

  • memory/100-137-0x0000000004F50000-0x0000000004F5A000-memory.dmp

    Filesize

    40KB

  • memory/100-138-0x00000000051F0000-0x0000000005200000-memory.dmp

    Filesize

    64KB

  • memory/100-147-0x00000000051F0000-0x0000000005200000-memory.dmp

    Filesize

    64KB

  • memory/100-150-0x00000000051F0000-0x0000000005200000-memory.dmp

    Filesize

    64KB

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