Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 05:54 UTC

General

  • Target

    45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe

  • Size

    37KB

  • MD5

    5ac7141b4438c23c468243cd90864ba0

  • SHA1

    501a9a8669dab15e9ce826d46fe0b24d5d9e2154

  • SHA256

    45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77a

  • SHA512

    41bb3f2dbf314f46dae042604cb4e0571fdddc5494ecd1f208534fbb669b9e9f060f8481da4094e5ae7ddd8e42470f199e476161863b6b4d33c232ca5fccbfbe

  • SSDEEP

    768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/s:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gn

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe
    "C:\Users\Admin\AppData\Local\Temp\45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:4476

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
    154.239.44.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    154.239.44.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    73.144.22.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    73.144.22.2.in-addr.arpa
    IN PTR
    Response
    73.144.22.2.in-addr.arpa
    IN PTR
    a2-22-144-73deploystaticakamaitechnologiescom
  • 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
    76.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    76.32.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    196.249.167.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    196.249.167.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    103.169.127.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    103.169.127.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    206.23.85.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    206.23.85.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    240.221.184.93.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    240.221.184.93.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    81.144.22.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    81.144.22.2.in-addr.arpa
    IN PTR
    Response
    81.144.22.2.in-addr.arpa
    IN PTR
    a2-22-144-81deploystaticakamaitechnologiescom
  • flag-us
    DNS
    31.243.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    31.243.111.52.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
    154.239.44.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    154.239.44.20.in-addr.arpa

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

    DNS Request

    73.144.22.2.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
    76.32.126.40.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    76.32.126.40.in-addr.arpa

  • 8.8.8.8:53
    196.249.167.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    196.249.167.52.in-addr.arpa

  • 8.8.8.8:53
    103.169.127.40.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    103.169.127.40.in-addr.arpa

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

    DNS Request

    206.23.85.13.in-addr.arpa

  • 8.8.8.8:53
    240.221.184.93.in-addr.arpa
    dns
    73 B
    144 B
    1
    1

    DNS Request

    240.221.184.93.in-addr.arpa

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

    DNS Request

    81.144.22.2.in-addr.arpa

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

    DNS Request

    31.243.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    38KB

    MD5

    629e7fa6977cce2cb16758df7b610dc3

    SHA1

    de0db0975a1f9042decfecaad95e8678c53926ae

    SHA256

    7f92aaf6803e84cdea13371ca67d73605abb79b748fa335fe79b143339f4e41f

    SHA512

    4c75edea74bf406147f820ca515799f7bf799a5ea6f88d0ca756eaa9f0bdb92e122fd3e76eeb5df8ac04f47e6b52b7a9a49ee03ab4fa077eede741f4d339cb30

  • memory/3052-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3052-6-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4476-7-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4476-8-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

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