Analysis

  • max time kernel
    121s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 08:43

General

  • Target

    e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b.exe

  • Size

    612KB

  • MD5

    55a78affac8a3608c214ce7c01069330

  • SHA1

    fe6ffd66247cd7db7a8b309e3d691b89ccd4b35a

  • SHA256

    e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b

  • SHA512

    c0047313e5a1a866686685113569cef12d7c05a029fc5fb09ca24d74378e1b310993217debb1d7357282d032cf11bda7f95b08b2d04c778808ae91db6c62d09b

Malware Config

Extracted

Family

netwire

C2

79.134.225.120:8765

Attributes
  • activex_autorun

    true

  • activex_key

    {L501JP3X-C6PC-RH36-475X-RS2C2OQHHGS0}

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    true

  • startup_name

    windows

  • use_mutex

    false

Signatures

  • NetWire RAT payload 2 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
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b.exe
    "C:\Users\Admin\AppData\Local\Temp\e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4740
    • C:\Users\Admin\AppData\Local\Temp\e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b.exe
      "C:\Users\Admin\AppData\Local\Temp\e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1808
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:3904

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    612KB

    MD5

    55a78affac8a3608c214ce7c01069330

    SHA1

    fe6ffd66247cd7db7a8b309e3d691b89ccd4b35a

    SHA256

    e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b

    SHA512

    c0047313e5a1a866686685113569cef12d7c05a029fc5fb09ca24d74378e1b310993217debb1d7357282d032cf11bda7f95b08b2d04c778808ae91db6c62d09b

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

    Filesize

    612KB

    MD5

    55a78affac8a3608c214ce7c01069330

    SHA1

    fe6ffd66247cd7db7a8b309e3d691b89ccd4b35a

    SHA256

    e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b

    SHA512

    c0047313e5a1a866686685113569cef12d7c05a029fc5fb09ca24d74378e1b310993217debb1d7357282d032cf11bda7f95b08b2d04c778808ae91db6c62d09b

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

    Filesize

    612KB

    MD5

    55a78affac8a3608c214ce7c01069330

    SHA1

    fe6ffd66247cd7db7a8b309e3d691b89ccd4b35a

    SHA256

    e5728e656e7e9ecab8239e0516dfc115894e8c2a616148be12eaf3b2ce9fe09b

    SHA512

    c0047313e5a1a866686685113569cef12d7c05a029fc5fb09ca24d74378e1b310993217debb1d7357282d032cf11bda7f95b08b2d04c778808ae91db6c62d09b

  • memory/1808-154-0x0000000077760000-0x0000000077903000-memory.dmp

    Filesize

    1.6MB

  • memory/1808-145-0x0000000000000000-mapping.dmp

  • memory/1808-158-0x0000000077760000-0x0000000077903000-memory.dmp

    Filesize

    1.6MB

  • memory/1808-157-0x00000000020E0000-0x00000000020EF000-memory.dmp

    Filesize

    60KB

  • memory/1808-153-0x00007FF90AD50000-0x00007FF90AF45000-memory.dmp

    Filesize

    2.0MB

  • memory/3904-155-0x0000000000000000-mapping.dmp

  • memory/3904-168-0x00000000005B0000-0x00000000005BF000-memory.dmp

    Filesize

    60KB

  • memory/3904-167-0x0000000077760000-0x0000000077903000-memory.dmp

    Filesize

    1.6MB

  • memory/3904-166-0x00007FF90AD50000-0x00007FF90AF45000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-133-0x00007FF90AD50000-0x00007FF90AF45000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-134-0x0000000077760000-0x0000000077903000-memory.dmp

    Filesize

    1.6MB

  • memory/4740-137-0x0000000077760000-0x0000000077903000-memory.dmp

    Filesize

    1.6MB

  • memory/4740-132-0x00000000006A0000-0x00000000006AF000-memory.dmp

    Filesize

    60KB

  • memory/4740-136-0x00000000006A0000-0x00000000006AF000-memory.dmp

    Filesize

    60KB

  • memory/4908-149-0x00007FF90AD50000-0x00007FF90AF45000-memory.dmp

    Filesize

    2.0MB

  • memory/4908-138-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/4908-139-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/4908-151-0x0000000077760000-0x0000000077903000-memory.dmp

    Filesize

    1.6MB

  • memory/4908-135-0x0000000000000000-mapping.dmp

  • memory/4908-148-0x00000000004E0000-0x00000000004EF000-memory.dmp

    Filesize

    60KB