Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 00:45

General

  • Target

    0caec696bc6e4c3ec0e92dc74e4f09a0N.exe

  • Size

    2.7MB

  • MD5

    0caec696bc6e4c3ec0e92dc74e4f09a0

  • SHA1

    1b168bd2025d4f1802c1d596296a75233b8549de

  • SHA256

    f677631d03e431394b7da511efc412db63619e7c46d1ab14e300dd9408055320

  • SHA512

    afcca9cb551274fcf893ef1b5684c1e57abbc78f4d9c8153d909f10fb1b4e74427c9c3278ceb301dac16b93b0c95e512d9ceb857219e55436ff3b366864c7774

  • SSDEEP

    49152:+R0p8xHycIq+GI27nGroMPTJPer1c2HSjpjK3LBZ9w4S+:+R0pI/IQlUoMPdmpSph4X

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0caec696bc6e4c3ec0e92dc74e4f09a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\0caec696bc6e4c3ec0e92dc74e4f09a0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\UserDotOR\aoptisys.exe
      C:\UserDotOR\aoptisys.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\LabZS8\optixsys.exe

    Filesize

    2.7MB

    MD5

    40ea5854f28bc9e7b767d48567c7d684

    SHA1

    36bea5ed2779e217637be4879fda18fc4c1bc4e8

    SHA256

    fc13ee65b7bb2af3fe14af2be3bbe8ad8501090c1bf27382409e00987957e85e

    SHA512

    26d04ac9524013683702f6c5dd104eb5c8840056c5d6875ac97948ae9825ee7a17cd2add8fc731237f82718a344fcbad08b6d3f9cab936fa3e148d103be2fcfc

  • C:\Users\Admin\253086396416_6.1_Admin.ini

    Filesize

    207B

    MD5

    0b496e959c740f3fc6bba23154a0269e

    SHA1

    a8e6b93965203322fbc65cb74edae59e137540b2

    SHA256

    5aa522bf0de242d08feea74cfe834c9656fa78a2563ba18dfb4dd84ddec2abd8

    SHA512

    60c25a924e9413716009c54b99af5eb1ba56f3adaf090d1ff3e981a4054c2f1d8a8e734fd367d68e7ef579235df95d42c5b6b850f9fa3f8b68e9d34892663ea5

  • \UserDotOR\aoptisys.exe

    Filesize

    2.7MB

    MD5

    599d4e236fb94784e2be643e97666e6a

    SHA1

    6658f18ca1eec53a099b20d2c2feff80bb3140de

    SHA256

    f9e154312321e0c94848ec0a0c0aa62a55e59992b63a90979bedca9b515b9f32

    SHA512

    180c3dc31b2523c8b0a91862aa3e50de1c8f69cc094ef5d49ff996e35e3453fb1192678ea86cc26595ed5c1764151034af9391412d18e356ed815bf2b56f6aef