Analysis

  • max time kernel
    140s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 10:53

General

  • Target

    4fa7679f4f0241ed1e5d63fbae526ff506dd45c350badb0cbb02f7aca61e0ad5.exe

  • Size

    1.2MB

  • MD5

    29b108e40acb05c3c9c2fa8c19b166e3

  • SHA1

    892c676275a723822d2d47dc1a48defec8bde643

  • SHA256

    4fa7679f4f0241ed1e5d63fbae526ff506dd45c350badb0cbb02f7aca61e0ad5

  • SHA512

    9cee10259615c90ea51710fd119dc9c8899b8bf4363513ecbc79aa3a69351c68625f5ca5e7c521d2346a54640358eb2deba0fd6db08a7ade5d2970304ad5beb2

  • SSDEEP

    24576:peW/uHyRLqHJ/wAmDZtRauPvqz6WQ5YQ9kXRGjr:peW/uSRLeJ4AmDZtPPvqzs5Y+kXRG

Malware Config

Extracted

Family

netwire

C2

37.0.14.206:3384

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password234

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 8 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 1 IoCs
  • Loads dropped DLL 1 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fa7679f4f0241ed1e5d63fbae526ff506dd45c350badb0cbb02f7aca61e0ad5.exe
    "C:\Users\Admin\AppData\Local\Temp\4fa7679f4f0241ed1e5d63fbae526ff506dd45c350badb0cbb02f7aca61e0ad5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NSopOOoiUVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B6A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1292
    • C:\Users\Admin\AppData\Local\Temp\4fa7679f4f0241ed1e5d63fbae526ff506dd45c350badb0cbb02f7aca61e0ad5.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:112
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        PID:1144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5B6A.tmp

    Filesize

    1KB

    MD5

    5c5b74d74a6e9c93533cb58eb2715523

    SHA1

    958eede42a47a7e60492ad5f9480db31bfacec68

    SHA256

    81f21d92125919b1b17aebd3ceb8980a08b168e0a0678c4832f830884ed64ceb

    SHA512

    3480d47ef9b3ae46edd18b83944eeb14c8dbaca47583962f7dd8226e41f95cae80d85db6ea36180fc3f59dca63a360ebedfa5ac9aa9befe6ad5e8d83af2fd301

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    1.2MB

    MD5

    29b108e40acb05c3c9c2fa8c19b166e3

    SHA1

    892c676275a723822d2d47dc1a48defec8bde643

    SHA256

    4fa7679f4f0241ed1e5d63fbae526ff506dd45c350badb0cbb02f7aca61e0ad5

    SHA512

    9cee10259615c90ea51710fd119dc9c8899b8bf4363513ecbc79aa3a69351c68625f5ca5e7c521d2346a54640358eb2deba0fd6db08a7ade5d2970304ad5beb2

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    1.2MB

    MD5

    29b108e40acb05c3c9c2fa8c19b166e3

    SHA1

    892c676275a723822d2d47dc1a48defec8bde643

    SHA256

    4fa7679f4f0241ed1e5d63fbae526ff506dd45c350badb0cbb02f7aca61e0ad5

    SHA512

    9cee10259615c90ea51710fd119dc9c8899b8bf4363513ecbc79aa3a69351c68625f5ca5e7c521d2346a54640358eb2deba0fd6db08a7ade5d2970304ad5beb2

  • \Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    1.2MB

    MD5

    29b108e40acb05c3c9c2fa8c19b166e3

    SHA1

    892c676275a723822d2d47dc1a48defec8bde643

    SHA256

    4fa7679f4f0241ed1e5d63fbae526ff506dd45c350badb0cbb02f7aca61e0ad5

    SHA512

    9cee10259615c90ea51710fd119dc9c8899b8bf4363513ecbc79aa3a69351c68625f5ca5e7c521d2346a54640358eb2deba0fd6db08a7ade5d2970304ad5beb2

  • memory/112-75-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-71-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-80-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-61-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-62-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-64-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-66-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-68-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-69-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-78-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/112-72-0x000000000041AD7B-mapping.dmp

  • memory/1144-77-0x0000000000000000-mapping.dmp

  • memory/1144-82-0x0000000000020000-0x000000000014E000-memory.dmp

    Filesize

    1.2MB

  • memory/1292-59-0x0000000000000000-mapping.dmp

  • memory/2032-54-0x0000000000FF0000-0x000000000111E000-memory.dmp

    Filesize

    1.2MB

  • memory/2032-57-0x0000000007F80000-0x0000000008056000-memory.dmp

    Filesize

    856KB

  • memory/2032-56-0x00000000007C0000-0x00000000007E0000-memory.dmp

    Filesize

    128KB

  • memory/2032-58-0x0000000004D70000-0x0000000004DFC000-memory.dmp

    Filesize

    560KB

  • memory/2032-55-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB