Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2022 17:43

General

  • Target

    e539e30456d5824fd3fa5b200f5578a8.exe

  • Size

    556KB

  • MD5

    e539e30456d5824fd3fa5b200f5578a8

  • SHA1

    df6effe3512f60d932c99f66cbc57351bacbac14

  • SHA256

    e7b7b828f1add6b862ccd69e5b0ecab7fc0926ed6e91f3f273c75a22edef2927

  • SHA512

    daf01e697e65a4d971da779c356fd65b44339a363bbb9649f2b6a2da0ceffabb6462dc7e81c53b52f1714fc204d816017f98cfaf55956d150c45a5408a0617ad

Malware Config

Extracted

Family

netwire

C2

185.140.53.154:3343

185.140.53.154:3345

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Pass@2022

  • 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e539e30456d5824fd3fa5b200f5578a8.exe
    "C:\Users\Admin\AppData\Local\Temp\e539e30456d5824fd3fa5b200f5578a8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RkvSUOa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1124
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RkvSUOa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF0C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\e539e30456d5824fd3fa5b200f5578a8.exe
      "C:\Users\Admin\AppData\Local\Temp\e539e30456d5824fd3fa5b200f5578a8.exe"
      2⤵
        PID:1612
      • C:\Users\Admin\AppData\Local\Temp\e539e30456d5824fd3fa5b200f5578a8.exe
        "C:\Users\Admin\AppData\Local\Temp\e539e30456d5824fd3fa5b200f5578a8.exe"
        2⤵
          PID:1628
        • C:\Users\Admin\AppData\Local\Temp\e539e30456d5824fd3fa5b200f5578a8.exe
          "C:\Users\Admin\AppData\Local\Temp\e539e30456d5824fd3fa5b200f5578a8.exe"
          2⤵
            PID:516

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpBF0C.tmp

          Filesize

          1KB

          MD5

          8b269b4aa8bf7cd19d0aff6155b033af

          SHA1

          6b14f1cb08ba1ecf99d5f8701dfbaf06541d876f

          SHA256

          412eb4db76e6a4cc0e070ed41eed1dce5a63ad17fd6874e8bf26f376c4bcc925

          SHA512

          1394e3803ba520450cef3351745db0b30c9ad5f176d88e1cdd099ba48bb028e82c2dceea150c8a42e7ebf07be903cf5eaaf58fc90e7bd8702d8047a39c155f05

        • memory/516-73-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-71-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-64-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-79-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-65-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-75-0x000000000040242D-mapping.dmp

        • memory/516-74-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-67-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-70-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-78-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/516-69-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1124-80-0x000000006EC60000-0x000000006F20B000-memory.dmp

          Filesize

          5.7MB

        • memory/1124-59-0x0000000000000000-mapping.dmp

        • memory/1800-63-0x0000000004A40000-0x0000000004A6E000-memory.dmp

          Filesize

          184KB

        • memory/1800-56-0x00000000004B0000-0x00000000004CE000-memory.dmp

          Filesize

          120KB

        • memory/1800-54-0x00000000000D0000-0x0000000000162000-memory.dmp

          Filesize

          584KB

        • memory/1800-55-0x0000000076291000-0x0000000076293000-memory.dmp

          Filesize

          8KB

        • memory/1800-58-0x0000000002300000-0x0000000002366000-memory.dmp

          Filesize

          408KB

        • memory/1800-57-0x0000000000520000-0x000000000052A000-memory.dmp

          Filesize

          40KB

        • memory/2016-60-0x0000000000000000-mapping.dmp