Analysis

  • max time kernel
    97s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2025, 03:56 UTC

General

  • Target

    asss1.exe

  • Size

    14.3MB

  • MD5

    db7a7403e5e248d0e96efe67cef73449

  • SHA1

    11331c98855fdf42bd94a84687661c682336fea9

  • SHA256

    847fb7609f53ed334d5affbb07256c21cb5e6f68b1cc14004f5502d714d2a456

  • SHA512

    4fcf43cc7d337dbe17273e217acc6e98617fc153bf1e8295be6ba7b2afe3c7efca86d5e7eddc1fdf1212c74f1cd1803c5b6b0164e4322d89757cc6897b7313f0

  • SSDEEP

    196608:h05ZqLIe01fXHitqWTpYCq2+2PFL+gY83fJu38IRAsgqsU8fyguPV:hQqL4i0y1K2IUYMIAsV

Malware Config

Signatures

  • BlackCat

    A Rust-based ransomware sold as RaaS first seen in late 2021.

  • Blackcat family
  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\asss1.exe
    "C:\Users\Admin\AppData\Local\Temp\asss1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4928

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
    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
    172.210.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.210.232.199.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    67.31.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    67.31.126.40.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
    200.163.202.172.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    200.163.202.172.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
    134.130.81.91.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    134.130.81.91.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    172.214.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.214.232.199.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    43.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    43.229.111.52.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
    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
    172.210.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.210.232.199.in-addr.arpa

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

    DNS Request

    67.31.126.40.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
    200.163.202.172.in-addr.arpa
    dns
    74 B
    160 B
    1
    1

    DNS Request

    200.163.202.172.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
    134.130.81.91.in-addr.arpa
    dns
    72 B
    147 B
    1
    1

    DNS Request

    134.130.81.91.in-addr.arpa

  • 8.8.8.8:53
    172.214.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.214.232.199.in-addr.arpa

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

    DNS Request

    43.229.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4928-0-0x0000000000FE0000-0x0000000001E2C000-memory.dmp

    Filesize

    14.3MB

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