Analysis

  • max time kernel
    133s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 22:08

General

  • Target

    53ae1444e8206f330eb260f844f1bce6d6c25bda28b71df10a7db0bbba34b013.rtf

  • Size

    471KB

  • MD5

    ea20d11e52523d107699a5d829a30325

  • SHA1

    abcdb6f32ee84eb7a4e96bf345097f9ee49a52e5

  • SHA256

    53ae1444e8206f330eb260f844f1bce6d6c25bda28b71df10a7db0bbba34b013

  • SHA512

    5ab2ed273fda016a9cd1f201c261f1ef9dfaedb0cef58bc6390ad30832c97d6b7c2989e9fed64f61a2c52cd89b8d186fe45d05a3434516f310dd62c5ec7c5022

  • SSDEEP

    6144:bETwf8NyUAsVkv0AC51jFELREqDg9TtFqH6DnY7IVF74VFyZwco0yVq3F:b2wINc0A4dgluTaID8xcX3F

Malware Config

Signatures

  • NetWire RAT payload 7 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Executes dropped EXE 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 15 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\53ae1444e8206f330eb260f844f1bce6d6c25bda28b71df10a7db0bbba34b013.rtf"
    1⤵
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1508
      • C:\Users\Admin\AppData\Local\svchost.exe
        C:\Users\Admin\AppData\Local\Temp\..\svchost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Users\Admin\AppData\Local\svchost.exe
          C:\Users\Admin\AppData\Local\svchost.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:768
          • C:\Users\Admin\AppData\Local\Temp\Host.exe
            "C:\Users\Admin\AppData\Local\Temp\Host.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:984
            • C:\Users\Admin\AppData\Local\Temp\Host.exe
              C:\Users\Admin\AppData\Local\Temp\Host.exe
              5⤵
              • Executes dropped EXE
              • Modifies Installed Components in the registry
              • Adds Run key to start application
              PID:1700
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c reg delete "HKCU\Software\Microsoft\Office\14.0\Word\Resiliency" /F
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:280
        • C:\Windows\SysWOW64\reg.exe
          reg delete "HKCU\Software\Microsoft\Office\14.0\Word\Resiliency" /F
          3⤵
            PID:1704
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c reg delete "HKCU\Software\Microsoft\Office\12.0\Word\Resiliency" /F
          2⤵
          • Process spawned unexpected child process
          • Suspicious use of WriteProcessMemory
          PID:928
          • C:\Windows\SysWOW64\reg.exe
            reg delete "HKCU\Software\Microsoft\Office\12.0\Word\Resiliency" /F
            3⤵
              PID:1988
          • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
            "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" "C:\Users\Admin\AppData\Local\Temp\53ae1444e8206f330eb260f844f1bce6d6c25bda28b71df10a7db0bbba34b013.rtf"
            2⤵
            • Modifies Internet Explorer settings
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:316

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\53ae1444e8206f330eb260f844f1bce6d6c25bda28b71df10a7db0bbba34b013.rtf:Zone.Identifier
          Filesize

          26B

          MD5

          fbccf14d504b7b2dbcb5a5bda75bd93b

          SHA1

          d59fc84cdd5217c6cf74785703655f78da6b582b

          SHA256

          eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

          SHA512

          aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

        • C:\Users\Admin\AppData\Local\Temp\Host.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • C:\Users\Admin\AppData\Local\Temp\Host.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • C:\Users\Admin\AppData\Local\Temp\Host.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • C:\Users\Admin\AppData\Local\Temp\~$ae1444e8206f330eb260f844f1bce6d6c25bda28b71df10a7db0bbba34b013.rtf
          Filesize

          162B

          MD5

          81eb29eb6519d8aaba96390dc602255a

          SHA1

          837998e87ed9b90ea03c143db41da2dcc4c71b3c

          SHA256

          1ca56124124e08fa5536b78b7478ee9397b8033b997ae1b88f38444425a90d17

          SHA512

          dee10149229acd6cfe35d163f7d946260ee91b0c0cc1c7e583ce45da9d9bbecb2ba69bcf3237409b208feb96bdca6b161ef69d59a4160633268214c013f21120

        • C:\Users\Admin\AppData\Local\svchost.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • C:\Users\Admin\AppData\Local\svchost.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • C:\Users\Admin\AppData\Local\svchost.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • C:\Users\Admin\AppData\Roaming\Microsoft\Office\MSO1033.acl
          Filesize

          36KB

          MD5

          f1d7cf8b7fbc2ed8c66a31b9a0f8a843

          SHA1

          b8b9250dceedcfe29d8e69530f055407ef28ed9e

          SHA256

          022d6e174c0f7b82da16f3498a10c3b5153403d87196992d23a93a3527be746c

          SHA512

          c304e5d2eef2bdbbddeb10a174f874f85d3aed7623d9d6281027bd76bcfd8632a653bc9eb72a0b832d7555a28ff19ddd98c1b15926fd7b6b4aa9f4750cf18837

        • \Users\Admin\AppData\Local\Temp\Host.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • \Users\Admin\AppData\Local\Temp\Host.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • \Users\Admin\AppData\Local\Temp\Host.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • \Users\Admin\AppData\Local\svchost.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • \Users\Admin\AppData\Local\svchost.exe
          Filesize

          377KB

          MD5

          708664e633080488dc23f9162f01aee9

          SHA1

          da976e353ccd297f83ee6bc0c1c20030dde82fa1

          SHA256

          e968843aa90779df32bed92bb2dc9059e29ad23674115e6216a8d4c39148e504

          SHA512

          4558bedc7886e8d128680a5c8c2627a5a3cea8494e423665dffc4786337837b17ab70665da07af5eded7899dd81c1619f10c7b0931e247bac8a5b1bc7e48c60b

        • memory/280-89-0x0000000000000000-mapping.dmp
        • memory/316-91-0x0000000000000000-mapping.dmp
        • memory/316-108-0x0000000070F1D000-0x0000000070F28000-memory.dmp
          Filesize

          44KB

        • memory/768-96-0x0000000000400000-0x000000000041E000-memory.dmp
          Filesize

          120KB

        • memory/768-77-0x0000000000400000-0x0000000001400000-memory.dmp
          Filesize

          16.0MB

        • memory/768-75-0x0000000000400000-0x0000000001400000-memory.dmp
          Filesize

          16.0MB

        • memory/768-80-0x0000000000400000-0x0000000001400000-memory.dmp
          Filesize

          16.0MB

        • memory/768-83-0x00000000004021DA-mapping.dmp
        • memory/768-82-0x0000000000400000-0x0000000001400000-memory.dmp
          Filesize

          16.0MB

        • memory/768-74-0x0000000000400000-0x0000000001400000-memory.dmp
          Filesize

          16.0MB

        • memory/768-88-0x0000000000400000-0x0000000001400000-memory.dmp
          Filesize

          16.0MB

        • memory/768-72-0x00000000001B0000-0x00000000002AA000-memory.dmp
          Filesize

          1000KB

        • memory/928-90-0x0000000000000000-mapping.dmp
        • memory/984-94-0x0000000000000000-mapping.dmp
        • memory/984-111-0x0000000000400000-0x0000000000505000-memory.dmp
          Filesize

          1.0MB

        • memory/984-100-0x0000000000400000-0x0000000000505000-memory.dmp
          Filesize

          1.0MB

        • memory/1228-54-0x00000000724B1000-0x00000000724B4000-memory.dmp
          Filesize

          12KB

        • memory/1228-58-0x0000000075091000-0x0000000075093000-memory.dmp
          Filesize

          8KB

        • memory/1228-69-0x0000000005AB0000-0x0000000005BB5000-memory.dmp
          Filesize

          1.0MB

        • memory/1228-62-0x00000000050B0000-0x000000000520C000-memory.dmp
          Filesize

          1.4MB

        • memory/1228-55-0x000000006FF31000-0x000000006FF33000-memory.dmp
          Filesize

          8KB

        • memory/1228-68-0x0000000005AB0000-0x0000000005BB5000-memory.dmp
          Filesize

          1.0MB

        • memory/1228-61-0x000000006B641000-0x000000006B643000-memory.dmp
          Filesize

          8KB

        • memory/1228-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Filesize

          64KB

        • memory/1228-57-0x0000000070F1D000-0x0000000070F28000-memory.dmp
          Filesize

          44KB

        • memory/1228-107-0x0000000005AB0000-0x0000000005BB5000-memory.dmp
          Filesize

          1.0MB

        • memory/1508-59-0x0000000000000000-mapping.dmp
        • memory/1508-60-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp
          Filesize

          8KB

        • memory/1700-123-0x00000000004021DA-mapping.dmp
        • memory/1700-128-0x0000000000400000-0x000000000041E000-memory.dmp
          Filesize

          120KB

        • memory/1704-102-0x0000000000000000-mapping.dmp
        • memory/1988-103-0x0000000000000000-mapping.dmp
        • memory/2036-70-0x0000000000400000-0x0000000000505000-memory.dmp
          Filesize

          1.0MB

        • memory/2036-65-0x0000000000000000-mapping.dmp
        • memory/2036-79-0x00000000002A0000-0x00000000002A4000-memory.dmp
          Filesize

          16KB

        • memory/2036-86-0x0000000000400000-0x0000000000505000-memory.dmp
          Filesize

          1.0MB