Analysis

  • max time kernel
    115s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    30-07-2022 21:31

General

  • Target

    6153ddd8d5c3eaeabde96c6acea9aeeb4359fb8b3f28fe42cacfcba0a75046b6.exe

  • Size

    476KB

  • MD5

    79560ff6c7a99bca7b7ed5ac7012e84d

  • SHA1

    bfc0349b114560b13d3e33aa5925f0ad3ca4a9f2

  • SHA256

    6153ddd8d5c3eaeabde96c6acea9aeeb4359fb8b3f28fe42cacfcba0a75046b6

  • SHA512

    807076820916a1b3a2c0048a5b502de5b63f6d2f35546fabb605a6d2958adc74fc4ca8c4fad630897bb04f59961945d53bd8e4a21f43aabfba9217378fb7e94f

Malware Config

Extracted

Family

netwire

C2

hawla2016.hopto.org:3360

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    monday

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 4 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
  • 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 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6153ddd8d5c3eaeabde96c6acea9aeeb4359fb8b3f28fe42cacfcba0a75046b6.exe
    "C:\Users\Admin\AppData\Local\Temp\6153ddd8d5c3eaeabde96c6acea9aeeb4359fb8b3f28fe42cacfcba0a75046b6.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\subfolder\filename.vbs"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1000
      • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe
        "C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2044
        • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe
          "C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe"
          4⤵
          • Executes dropped EXE
          PID:2008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe

    Filesize

    476KB

    MD5

    a045df05669c6c74245150e312ffe017

    SHA1

    948326650867970b6411e62adf0c63d4c057c8f2

    SHA256

    ac73672a14c1ff60cc44452eea01a09fe9d4496a2a73327ee55ba09ac5e95152

    SHA512

    364d49f6e1c400e3542aaa5a8b016b8b6657af814631909616836154a67f39d69f4529dd3bb0947590e865b8ad8528f9a80e7000ce207c4d6c118fcebf81838f

  • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe

    Filesize

    476KB

    MD5

    a045df05669c6c74245150e312ffe017

    SHA1

    948326650867970b6411e62adf0c63d4c057c8f2

    SHA256

    ac73672a14c1ff60cc44452eea01a09fe9d4496a2a73327ee55ba09ac5e95152

    SHA512

    364d49f6e1c400e3542aaa5a8b016b8b6657af814631909616836154a67f39d69f4529dd3bb0947590e865b8ad8528f9a80e7000ce207c4d6c118fcebf81838f

  • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe

    Filesize

    476KB

    MD5

    a045df05669c6c74245150e312ffe017

    SHA1

    948326650867970b6411e62adf0c63d4c057c8f2

    SHA256

    ac73672a14c1ff60cc44452eea01a09fe9d4496a2a73327ee55ba09ac5e95152

    SHA512

    364d49f6e1c400e3542aaa5a8b016b8b6657af814631909616836154a67f39d69f4529dd3bb0947590e865b8ad8528f9a80e7000ce207c4d6c118fcebf81838f

  • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.vbs

    Filesize

    1024B

    MD5

    61303679134d10e8f1f35236fec661e6

    SHA1

    ed31726523d21be75c47e699eec4b76aeaa376d5

    SHA256

    047c78d7dbb5709dc8eee29b69d2a42aebe9249723105a56b8689c4657cb5331

    SHA512

    8fe11c1e624fbbc600f0402514b67f1b61c5123eba826bb50113858b96f283792cc9defdf1aa5c101c64e8ef65c0dd9ed6032debcb6f94dcbf8fcde90f2c3610

  • \Users\Admin\AppData\Local\Temp\subfolder\filename.exe

    Filesize

    476KB

    MD5

    a045df05669c6c74245150e312ffe017

    SHA1

    948326650867970b6411e62adf0c63d4c057c8f2

    SHA256

    ac73672a14c1ff60cc44452eea01a09fe9d4496a2a73327ee55ba09ac5e95152

    SHA512

    364d49f6e1c400e3542aaa5a8b016b8b6657af814631909616836154a67f39d69f4529dd3bb0947590e865b8ad8528f9a80e7000ce207c4d6c118fcebf81838f

  • \Users\Admin\AppData\Local\Temp\subfolder\filename.exe

    Filesize

    476KB

    MD5

    a045df05669c6c74245150e312ffe017

    SHA1

    948326650867970b6411e62adf0c63d4c057c8f2

    SHA256

    ac73672a14c1ff60cc44452eea01a09fe9d4496a2a73327ee55ba09ac5e95152

    SHA512

    364d49f6e1c400e3542aaa5a8b016b8b6657af814631909616836154a67f39d69f4529dd3bb0947590e865b8ad8528f9a80e7000ce207c4d6c118fcebf81838f

  • \Users\Admin\AppData\Local\Temp\subfolder\filename.exe

    Filesize

    476KB

    MD5

    a045df05669c6c74245150e312ffe017

    SHA1

    948326650867970b6411e62adf0c63d4c057c8f2

    SHA256

    ac73672a14c1ff60cc44452eea01a09fe9d4496a2a73327ee55ba09ac5e95152

    SHA512

    364d49f6e1c400e3542aaa5a8b016b8b6657af814631909616836154a67f39d69f4529dd3bb0947590e865b8ad8528f9a80e7000ce207c4d6c118fcebf81838f

  • memory/1000-58-0x0000000000000000-mapping.dmp

  • memory/1448-56-0x0000000000260000-0x0000000000266000-memory.dmp

    Filesize

    24KB

  • memory/1448-57-0x0000000076601000-0x0000000076603000-memory.dmp

    Filesize

    8KB

  • memory/2008-70-0x0000000000000000-mapping.dmp

  • memory/2008-73-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2008-75-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2008-76-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2044-71-0x00000000001F0000-0x00000000001F6000-memory.dmp

    Filesize

    24KB

  • memory/2044-64-0x0000000000000000-mapping.dmp