Analysis

  • max time kernel
    119s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 19:41

General

  • Target

    775560ed6100d308e5dd68b29f6008e0N.exe

  • Size

    55KB

  • MD5

    775560ed6100d308e5dd68b29f6008e0

  • SHA1

    daf79833b1cf75cb83249122bb128f8c9c511c77

  • SHA256

    489ef84a8724cd5688d47710610aa46ca2bb61c72285d379637473d30feeffe0

  • SHA512

    b6eb02d0f2868cf57a007df484a368e4dd6181388fc8f8d1696579a31db7ea80f82a67cfa0d606d34320bfcbdf8a0dca7c1d3eba4d99874e6734469d01108fcf

  • SSDEEP

    1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIB:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVj

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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\775560ed6100d308e5dd68b29f6008e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\775560ed6100d308e5dd68b29f6008e0N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    55KB

    MD5

    432e3769c64419c8fff6c3f7445e0f37

    SHA1

    65f6b04c6d112968094626b88c2c4398b47b7f9c

    SHA256

    cd241bad33e3774acf3dca46513f94eb975ac11fa6d2d0bfac1109403e0a713d

    SHA512

    440756a1b022e55c083824dc32020c51d56a8f44047343da6f1e00a31d6adc9c23ccd41fa1da05de4975b0bab83408ff427e58e2fc669a348aca0b64914693e3

  • memory/2332-6-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2332-7-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4364-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4364-4-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB