Analysis

  • max time kernel
    129s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2022 05:19

General

  • Target

    5cc870a54b9cf9f98ddfb7a7a574c41afe30205368c9665eeefea1652316a20c.exe

  • Size

    1.8MB

  • MD5

    52a4eba0459f9fed7d54a50790b85482

  • SHA1

    091b583ad84dcac1b7d50ecb561186d091526428

  • SHA256

    5cc870a54b9cf9f98ddfb7a7a574c41afe30205368c9665eeefea1652316a20c

  • SHA512

    49c2d81910084b5c2144db45fe298357f4a93ff4c7158f853421d768aa0febc29fe848d4b884947eb162741bf9da0b1f14a94a04633b60644d44eb43c46a63d8

Malware Config

Extracted

Family

netwire

C2

159.65.128.193:4445

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    nest1

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    ceVlGBjM

  • offline_keylogger

    true

  • password

    mysteh4445

  • registry_autorun

    false

  • use_mutex

    true

Signatures

  • NetWire RAT payload 5 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5cc870a54b9cf9f98ddfb7a7a574c41afe30205368c9665eeefea1652316a20c.exe
    "C:\Users\Admin\AppData\Local\Temp\5cc870a54b9cf9f98ddfb7a7a574c41afe30205368c9665eeefea1652316a20c.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\startup\flies.vbs"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Users\Admin\AppData\Local\Temp\startup\flies.exe
        "C:\Users\Admin\AppData\Local\Temp\startup\flies.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:956
        • C:\Users\Admin\AppData\Local\Temp\startup\flies.exe
          "C:\Users\Admin\AppData\Local\Temp\startup\flies.exe"
          4⤵
          • Executes dropped EXE
          PID:944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\startup\flies.exe

    Filesize

    1.8MB

    MD5

    ebbe1485d69bf5a00ea21d1f4e41f45f

    SHA1

    84d67c5a3feefb2e66558af598b4da6bef3e18ab

    SHA256

    106ea56f8138f1dfbebb5b5e7e5e327e0b461383a8ac64de897e58ddb1878316

    SHA512

    8e19c7c2dcdd63a3d77f2724a4b01974a3b1212bb1e6329774463a15c60d9aa17644decace913394cf8b2c331c017bf1936bd086aa876d25526b3821ef29c636

  • C:\Users\Admin\AppData\Local\Temp\startup\flies.exe

    Filesize

    1.8MB

    MD5

    ebbe1485d69bf5a00ea21d1f4e41f45f

    SHA1

    84d67c5a3feefb2e66558af598b4da6bef3e18ab

    SHA256

    106ea56f8138f1dfbebb5b5e7e5e327e0b461383a8ac64de897e58ddb1878316

    SHA512

    8e19c7c2dcdd63a3d77f2724a4b01974a3b1212bb1e6329774463a15c60d9aa17644decace913394cf8b2c331c017bf1936bd086aa876d25526b3821ef29c636

  • C:\Users\Admin\AppData\Local\Temp\startup\flies.exe

    Filesize

    1.8MB

    MD5

    ebbe1485d69bf5a00ea21d1f4e41f45f

    SHA1

    84d67c5a3feefb2e66558af598b4da6bef3e18ab

    SHA256

    106ea56f8138f1dfbebb5b5e7e5e327e0b461383a8ac64de897e58ddb1878316

    SHA512

    8e19c7c2dcdd63a3d77f2724a4b01974a3b1212bb1e6329774463a15c60d9aa17644decace913394cf8b2c331c017bf1936bd086aa876d25526b3821ef29c636

  • C:\Users\Admin\AppData\Local\Temp\startup\flies.vbs

    Filesize

    1024B

    MD5

    89793f6f9e43e7084a57b2974ea7ec9d

    SHA1

    d22532ff2b3694d9cb4c4a726418a126e1df2650

    SHA256

    2d1e611db454cb03e67383f7e4c16f0e8b0889ac526e7c4cd837828a49fc7141

    SHA512

    4e954e265e07083a0632c9c9870044966287944956b8d4a93df73411a17262ac93f3c268720e62f85b231e3b87c81471d3c016deec3ba186b4b3ff13433060d9

  • \Users\Admin\AppData\Local\Temp\startup\flies.exe

    Filesize

    1.8MB

    MD5

    ebbe1485d69bf5a00ea21d1f4e41f45f

    SHA1

    84d67c5a3feefb2e66558af598b4da6bef3e18ab

    SHA256

    106ea56f8138f1dfbebb5b5e7e5e327e0b461383a8ac64de897e58ddb1878316

    SHA512

    8e19c7c2dcdd63a3d77f2724a4b01974a3b1212bb1e6329774463a15c60d9aa17644decace913394cf8b2c331c017bf1936bd086aa876d25526b3821ef29c636

  • \Users\Admin\AppData\Local\Temp\startup\flies.exe

    Filesize

    1.8MB

    MD5

    ebbe1485d69bf5a00ea21d1f4e41f45f

    SHA1

    84d67c5a3feefb2e66558af598b4da6bef3e18ab

    SHA256

    106ea56f8138f1dfbebb5b5e7e5e327e0b461383a8ac64de897e58ddb1878316

    SHA512

    8e19c7c2dcdd63a3d77f2724a4b01974a3b1212bb1e6329774463a15c60d9aa17644decace913394cf8b2c331c017bf1936bd086aa876d25526b3821ef29c636

  • \Users\Admin\AppData\Local\Temp\startup\flies.exe

    Filesize

    1.8MB

    MD5

    ebbe1485d69bf5a00ea21d1f4e41f45f

    SHA1

    84d67c5a3feefb2e66558af598b4da6bef3e18ab

    SHA256

    106ea56f8138f1dfbebb5b5e7e5e327e0b461383a8ac64de897e58ddb1878316

    SHA512

    8e19c7c2dcdd63a3d77f2724a4b01974a3b1212bb1e6329774463a15c60d9aa17644decace913394cf8b2c331c017bf1936bd086aa876d25526b3821ef29c636

  • memory/944-70-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/944-71-0x0000000000402BCB-mapping.dmp

  • memory/944-75-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/944-76-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/944-77-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/956-64-0x0000000000000000-mapping.dmp

  • memory/1128-58-0x0000000000000000-mapping.dmp

  • memory/2024-57-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

    Filesize

    8KB

  • memory/2024-56-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB