Analysis

  • max time kernel
    120s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 19:38

General

  • Target

    NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe

  • Size

    110KB

  • MD5

    13c1bc976ea06517dd06cc39b8457140

  • SHA1

    6887d665a78ebf83d8e479b4369aa2f2e6cdd016

  • SHA256

    13098be65821d757b194a060b7b8b0402d39653afa9c174d99228487dbe726ae

  • SHA512

    3fd6555ac78e12ed7397ef14916c70ca237f746533fb09fee7391a0e541142dc64b3066e8dae0bc9b3416016295eb4dacca6821117a8552b94b216069f2dad85

  • SSDEEP

    1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18fZ:ELlbZTZX3BAtTSVEdUJWTWd18fZ

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\ProgramData\Graphics\guifx.exe
      "C:\ProgramData\Graphics\guifx.exe" /run
      2⤵
      • Executes dropped EXE
      PID:2764
    • C:\windows\SysWOW64\cmd.exe
      "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe" >> NUL
      2⤵
      • Deletes itself
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Graphics\guifx.exe

    Filesize

    110KB

    MD5

    5132cab7ca10ea7fca4dcd6d7ecb6019

    SHA1

    170346895b0981bccd8dd37891b1d6069edc1292

    SHA256

    8ee03f6e968a54075e441315b7cf981c5823e2e252319bc3557e1ff940b2ad08

    SHA512

    b9459914ce33fe4e268b4b738f70374c88329a5b01d8542c593c1bd1c559a22aec5e8df18b2b1a10cf1c9f1ef3f8e3e301f031cc5d771156a6408f91934085e0

  • \ProgramData\Graphics\guifx.exe

    Filesize

    110KB

    MD5

    5132cab7ca10ea7fca4dcd6d7ecb6019

    SHA1

    170346895b0981bccd8dd37891b1d6069edc1292

    SHA256

    8ee03f6e968a54075e441315b7cf981c5823e2e252319bc3557e1ff940b2ad08

    SHA512

    b9459914ce33fe4e268b4b738f70374c88329a5b01d8542c593c1bd1c559a22aec5e8df18b2b1a10cf1c9f1ef3f8e3e301f031cc5d771156a6408f91934085e0

  • memory/2748-0-0x00000000001C0000-0x00000000001DC000-memory.dmp

    Filesize

    112KB

  • memory/2748-4-0x0000000000130000-0x000000000014C000-memory.dmp

    Filesize

    112KB

  • memory/2748-7-0x00000000001C0000-0x00000000001DC000-memory.dmp

    Filesize

    112KB

  • memory/2748-9-0x00000000001C0000-0x00000000001DC000-memory.dmp

    Filesize

    112KB

  • memory/2764-8-0x0000000000050000-0x000000000006C000-memory.dmp

    Filesize

    112KB