Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/09/2024, 19:17

General

  • Target

    3d16cfbe65c53bf42368e937ed5f707f55b67d0379297fd824e735601a3abd75N.exe

  • Size

    64KB

  • MD5

    f7fbd3307e024beafec33a9a9e626c50

  • SHA1

    4f8f45d507e21568fca0f7759018d840d674c207

  • SHA256

    3d16cfbe65c53bf42368e937ed5f707f55b67d0379297fd824e735601a3abd75

  • SHA512

    2fd56397c43124a53dc0048387034870608bffe6b56213e818e42f4fc84cb1e97d61d05423341ebd574e5f5ca7a51591ffe142c22d84655ce6c1a231948b1301

  • SSDEEP

    1536:lAo0ej2d6rnJwwvlKlIUBP6v8tvGE9UHrSdghj8bvHRIkhbUIchUh80mhDoOho8r:lAo1lOwvlKlXBP6v8tvGE9UHrSdghj8c

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\3d16cfbe65c53bf42368e937ed5f707f55b67d0379297fd824e735601a3abd75N.exe
    "C:\Users\Admin\AppData\Local\Temp\3d16cfbe65c53bf42368e937ed5f707f55b67d0379297fd824e735601a3abd75N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5112
    • 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:2000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    65KB

    MD5

    ddbc9af7dd470505ce44884cd423d05e

    SHA1

    33ce99f9bae20ccdc138ede7d9cf97ff30d0f83f

    SHA256

    e6769b5a2f8577887ef096d9966bf3f4151b2d647d399d082bc1597cbd5c78f0

    SHA512

    7c6965e97a1a5d4a045a1d09802f722040b7592c2a9c8fde177bf81d3aa9296b16e9a051aafc58ccceea0d4ee2778ee2a7398c4e118a1e05f4b5192149138ccd

  • memory/2000-5-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/2000-7-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/5112-0-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/5112-6-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB