Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13/11/2024, 08:20

General

  • Target

    da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe

  • Size

    70KB

  • MD5

    055a54c72a6047ad411787cbfdb26b88

  • SHA1

    2c5037f33facab30aeddda90a4df9f520eba868f

  • SHA256

    24afa6498fd2205870491834ce41f9198c8999615fe53947a16a9a9b1fee358b

  • SHA512

    24b4e3cd3ea35c11a2298f5924241ad9bceea0124932870b7d965463466b0b117c7e6b9379f510c999db5f451677881891be74fe5a25bca619fe8416904aa1f9

  • SSDEEP

    1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhhH/HQM:lAo1lOwvlKlXBP6vghzwYu7vih9GueIT

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 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe
    "C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:1528

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          70KB

          MD5

          bed594b343adc9f9dbc6a823cf4f5f41

          SHA1

          991c90a05e800413c787e6048200dc9a6a5d29bf

          SHA256

          74d9a1f9f5246fe1dadd60898f863dcb8d9ea106d74c42f28202e1a65bc7d12c

          SHA512

          bbdf53a7f4a59afedb1f49e99696cd0f6cd146397b927dee7a489a82f48772f9d0ca082e9ed99a9936390002c9838426c3f02e0ecfdc292637757bc16ce2450f

        • memory/1528-8-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/1528-10-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/1728-0-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/1728-6-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB