Analysis

  • max time kernel
    114s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 17:54

General

  • Target

    1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276.exe

  • Size

    1.9MB

  • MD5

    981c378f3cd851641dceeebd67813eb2

  • SHA1

    8a57f4750c4bc0fe9f7e81a40cb9aa8345024c32

  • SHA256

    1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276

  • SHA512

    ee310207d3561f5bec513606cc543d5861745b09323952d4c1a10169a74e9967f17779298a79059d869b22aba655925acb36def827cd82b6ebb899921b94be65

Malware Config

Extracted

Family

netwire

C2

timduck.duckdns.org:1194

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    true

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    HXiMHiTC

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    true

  • startup_name

    NetWire

  • use_mutex

    true

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • NetWire RAT payload 12 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 3 IoCs
  • Drops startup file 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276.exe
    "C:\Users\Admin\AppData\Local\Temp\1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:1312
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:1280
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:612
    • C:\Users\Admin\AppData\Local\Temp\1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276.exe
      "C:\Users\Admin\AppData\Local\Temp\1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:240
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe" -m "C:\Users\Admin\AppData\Local\Temp\1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:584
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout 1
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1968
          • C:\Windows\SysWOW64\timeout.exe
            timeout 1
            5⤵
            • Delays execution with timeout.exe
            PID:2004
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout 1
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1988
          • C:\Windows\SysWOW64\timeout.exe
            timeout 1
            5⤵
            • Delays execution with timeout.exe
            PID:1912
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout 1
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:652
          • C:\Windows\SysWOW64\timeout.exe
            timeout 1
            5⤵
            • Delays execution with timeout.exe
            PID:604
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          PID:1520
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:2008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    1.9MB

    MD5

    981c378f3cd851641dceeebd67813eb2

    SHA1

    8a57f4750c4bc0fe9f7e81a40cb9aa8345024c32

    SHA256

    1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276

    SHA512

    ee310207d3561f5bec513606cc543d5861745b09323952d4c1a10169a74e9967f17779298a79059d869b22aba655925acb36def827cd82b6ebb899921b94be65

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

    Filesize

    1.9MB

    MD5

    981c378f3cd851641dceeebd67813eb2

    SHA1

    8a57f4750c4bc0fe9f7e81a40cb9aa8345024c32

    SHA256

    1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276

    SHA512

    ee310207d3561f5bec513606cc543d5861745b09323952d4c1a10169a74e9967f17779298a79059d869b22aba655925acb36def827cd82b6ebb899921b94be65

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

    Filesize

    1.9MB

    MD5

    981c378f3cd851641dceeebd67813eb2

    SHA1

    8a57f4750c4bc0fe9f7e81a40cb9aa8345024c32

    SHA256

    1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276

    SHA512

    ee310207d3561f5bec513606cc543d5861745b09323952d4c1a10169a74e9967f17779298a79059d869b22aba655925acb36def827cd82b6ebb899921b94be65

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

    Filesize

    1.9MB

    MD5

    981c378f3cd851641dceeebd67813eb2

    SHA1

    8a57f4750c4bc0fe9f7e81a40cb9aa8345024c32

    SHA256

    1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276

    SHA512

    ee310207d3561f5bec513606cc543d5861745b09323952d4c1a10169a74e9967f17779298a79059d869b22aba655925acb36def827cd82b6ebb899921b94be65

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

    Filesize

    1.9MB

    MD5

    981c378f3cd851641dceeebd67813eb2

    SHA1

    8a57f4750c4bc0fe9f7e81a40cb9aa8345024c32

    SHA256

    1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276

    SHA512

    ee310207d3561f5bec513606cc543d5861745b09323952d4c1a10169a74e9967f17779298a79059d869b22aba655925acb36def827cd82b6ebb899921b94be65

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

    Filesize

    1.9MB

    MD5

    981c378f3cd851641dceeebd67813eb2

    SHA1

    8a57f4750c4bc0fe9f7e81a40cb9aa8345024c32

    SHA256

    1484955ff8374ea3faaab775c666cfd51c7cc827361d8272ddc5041c9b04b276

    SHA512

    ee310207d3561f5bec513606cc543d5861745b09323952d4c1a10169a74e9967f17779298a79059d869b22aba655925acb36def827cd82b6ebb899921b94be65

  • memory/240-75-0x000000000040242D-mapping.dmp

  • memory/240-78-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-83-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-63-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-66-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-64-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-70-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-69-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-68-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-73-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-72-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/240-74-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/584-81-0x0000000000000000-mapping.dmp

  • memory/584-85-0x0000000001130000-0x000000000131C000-memory.dmp

    Filesize

    1.9MB

  • memory/604-92-0x0000000000000000-mapping.dmp

  • memory/612-62-0x0000000000000000-mapping.dmp

  • memory/652-91-0x0000000000000000-mapping.dmp

  • memory/1280-60-0x0000000000000000-mapping.dmp

  • memory/1284-57-0x0000000000000000-mapping.dmp

  • memory/1312-58-0x0000000000000000-mapping.dmp

  • memory/1552-54-0x0000000000AB0000-0x0000000000C9C000-memory.dmp

    Filesize

    1.9MB

  • memory/1552-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

    Filesize

    8KB

  • memory/1552-56-0x0000000000380000-0x00000000003CA000-memory.dmp

    Filesize

    296KB

  • memory/1744-61-0x0000000000000000-mapping.dmp

  • memory/1748-59-0x0000000000000000-mapping.dmp

  • memory/1912-90-0x0000000000000000-mapping.dmp

  • memory/1968-87-0x0000000000000000-mapping.dmp

  • memory/1988-89-0x0000000000000000-mapping.dmp

  • memory/2004-88-0x0000000000000000-mapping.dmp

  • memory/2008-106-0x000000000040242D-mapping.dmp

  • memory/2008-110-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2008-111-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB