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
    28/09/2024, 13:42

General

  • Target

    9fcc3e668fd051ffdc13f41756d986e0f25a513ac54be1e2ab80f3c7721896b0N.exe

  • Size

    40KB

  • MD5

    bfd1e59b5d7025a3693883b7d7ab7670

  • SHA1

    782622cd65eecfd417ac93c0f6a34cf00bb017c6

  • SHA256

    9fcc3e668fd051ffdc13f41756d986e0f25a513ac54be1e2ab80f3c7721896b0

  • SHA512

    7fa434490851cf7b5774a2464ca184b1028bf45b9cd8a939cfd6321362c4d7dccf991c7013abd65e0d8f848e6c36e0cc9ce199bc75dde38df9d0c044349e7789

  • SSDEEP

    768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIFvV:e6q10k0EFjed6rqJ+6vghzwYu7vih9GL

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\9fcc3e668fd051ffdc13f41756d986e0f25a513ac54be1e2ab80f3c7721896b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\9fcc3e668fd051ffdc13f41756d986e0f25a513ac54be1e2ab80f3c7721896b0N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1616
    • 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:3468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    41KB

    MD5

    65032b0b0d77de22fcadd299a48bec5b

    SHA1

    d932afd4d09dbedc9fe5175b88f1e54d0783575c

    SHA256

    5a6d68fe15ba8ebf9662b28e41005b3ac13a3baf5ab89bc67886bf2d45f37161

    SHA512

    0932aebfbb11c89d7e29efe40a79d6306710b2bc44a099871e49ddce39d42609b2b0cb44a4896ec81beb745be5dd65da26ac42f94b5678bdb4b3f7aec81c58d4

  • memory/1616-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1616-4-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3468-6-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB