Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 11:39

General

  • Target

    eb5b30e2ea10adb6b2ae9cacf69f4a1638e508cff9b434ae679997f2c8501953N.dll

  • Size

    165KB

  • MD5

    dca6f758c8516f58798fe5dd8db34800

  • SHA1

    3d9f9977b58f44da49aaf9d01694194ce81f924f

  • SHA256

    eb5b30e2ea10adb6b2ae9cacf69f4a1638e508cff9b434ae679997f2c8501953

  • SHA512

    273c1866a09df4c112219af2025294a7e8be9de5b93fdfb0038427b2cc1150238500e846445d765a54ecee9338a5e5d697b8f3bd61d574f532da6c3acbc9c117

  • SSDEEP

    3072:BsLXHHf0z4o++2dLy2aOtusyu/T3EcdDZBzgdPrNO/BQGmWsdgGal4:BUPy3Ot7br0cdXgBNO/Cjva+

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb5b30e2ea10adb6b2ae9cacf69f4a1638e508cff9b434ae679997f2c8501953N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb5b30e2ea10adb6b2ae9cacf69f4a1638e508cff9b434ae679997f2c8501953N.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4656
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 264
          4⤵
          • Program crash
          PID:824
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3372 -ip 3372
    1⤵
      PID:4256

    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
      88.210.23.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      88.210.23.2.in-addr.arpa
      IN PTR
      Response
      88.210.23.2.in-addr.arpa
      IN PTR
      a2-23-210-88deploystaticakamaitechnologiescom
    • flag-us
      DNS
      23.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      23.159.190.20.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
      13.86.106.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.86.106.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      209.205.72.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      209.205.72.20.in-addr.arpa
      IN PTR
      Response
    • 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
      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
      53.210.109.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      53.210.109.20.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
      48.229.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      48.229.111.52.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      104.219.191.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      104.219.191.52.in-addr.arpa

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

      DNS Request

      88.210.23.2.in-addr.arpa

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

      DNS Request

      23.159.190.20.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
      13.86.106.20.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      13.86.106.20.in-addr.arpa

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

      DNS Request

      209.205.72.20.in-addr.arpa

    • 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
      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
      53.210.109.20.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      53.210.109.20.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
      48.229.111.52.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      48.229.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\rundll32mgr.exe

      Filesize

      122KB

      MD5

      b8e6f2753e6d6063d2ddbe2d0646da3a

      SHA1

      5ea3ef8fe2bde63b4489417a38985adaf2598ae2

      SHA256

      a2857d0f4628b42aa99a81cc1aeb7c9c14c5913c9c18f180aaae06a9ea979c12

      SHA512

      2a9069f8e2925ebc275f09c374b916d3917d6224f55345feb07a2424fc9764b49b5ef3d6ea4558e81d657dbe625c1622fd34041102ad1171901378548513a060

    • memory/3372-4-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3372-6-0x00000000004F0000-0x00000000004F1000-memory.dmp

      Filesize

      4KB

    • memory/3372-7-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/4656-0-0x0000000010000000-0x000000001002D000-memory.dmp

      Filesize

      180KB

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