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Analysis

  • max time kernel
    95s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 19:04 UTC

General

  • Target

    $SYSDIR/pthreadVC.dll

  • Size

    52KB

  • MD5

    f04a90f917ba10ae2dcbe859870f4dea

  • SHA1

    6668ebe373ce58c33017697c477557653427e626

  • SHA256

    99c61abf41c3aec38cab3ed6270adbca9a247bbf5f9aa9d29ecb0659a5527f48

  • SHA512

    aec29301b9ce311b27f1590b0e0c4121acdc183a30b570e087d77b7035684f02a6dfbdee950c37f3023b32e2ea5a075a5fbe6d18a2804da9490d4959733bb516

  • SSDEEP

    384:hSvfC8Vv0Vy7ojuq7GQcdWTc4zU+GFronD/yD5rBEe0kiH32Jp9AhOW:wt+TGQcdWYdMG59EeJiH3YzW

Score
3/10

Malware Config

Signatures

  • 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\pthreadVC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\pthreadVC.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1144

Network

  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.in-addr.arpa
    IN PTR
  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.in-addr.arpa
    IN PTR
  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.in-addr.arpa
    IN PTR
  • 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
    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
    58.55.71.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    58.55.71.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    157.123.68.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    157.123.68.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    15.164.165.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    15.164.165.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    36.56.20.217.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    36.56.20.217.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    83.210.23.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    83.210.23.2.in-addr.arpa
    IN PTR
    Response
    83.210.23.2.in-addr.arpa
    IN PTR
    a2-23-210-83deploystaticakamaitechnologiescom
  • flag-us
    DNS
    42.56.20.217.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    42.56.20.217.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    11.227.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    11.227.111.52.in-addr.arpa
    IN PTR
    Response
No results found
  • 8.8.8.8:53
    104.219.191.52.in-addr.arpa
    dns
    292 B
    147 B
    4
    1

    DNS Request

    104.219.191.52.in-addr.arpa

    DNS Request

    104.219.191.52.in-addr.arpa

    DNS Request

    104.219.191.52.in-addr.arpa

    DNS Request

    104.219.191.52.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
    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
    58.55.71.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    58.55.71.13.in-addr.arpa

  • 8.8.8.8:53
    157.123.68.40.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    157.123.68.40.in-addr.arpa

  • 8.8.8.8:53
    15.164.165.52.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    15.164.165.52.in-addr.arpa

  • 8.8.8.8:53
    36.56.20.217.in-addr.arpa
    dns
    71 B
    131 B
    1
    1

    DNS Request

    36.56.20.217.in-addr.arpa

  • 8.8.8.8:53
    83.210.23.2.in-addr.arpa
    dns
    70 B
    133 B
    1
    1

    DNS Request

    83.210.23.2.in-addr.arpa

  • 8.8.8.8:53
    42.56.20.217.in-addr.arpa
    dns
    71 B
    131 B
    1
    1

    DNS Request

    42.56.20.217.in-addr.arpa

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

    DNS Request

    11.227.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

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