Overview

overview

10

Static

static

5

bdf354d3fc...31.exe

windows7-x64

10

bdf354d3fc...31.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    154s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2022 04:23

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General

  • Target

    bdf354d3fc416d0d8bac9c25b02ef4e112ffb794b9c3ca69331925503e6c9931.exe

  • Size

    4.6MB

  • MD5

    5102df3fcc9d3f97bb55ce858adc53b1

  • SHA1

    5f91282fe116c4f2ac48c05fd7220a35dfaa73d9

  • SHA256

    bdf354d3fc416d0d8bac9c25b02ef4e112ffb794b9c3ca69331925503e6c9931

  • SHA512

    f6536fafaf1852397ff1369a4d27a78c6465f71b3f689b06080f83bd1bbd4caf9286a2c7703c54243f01b3493dfb54c4722ab74aa27b956260621728b17f2ae8

Score
10/10
nanocorenetwirebotnetcollectionevasionkeyloggerpersistenceratspywarestealertrojan

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore
  • NetWire RAT payload 1 IoCs
    rat
  • Netwire

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

    botnetstealernetwire
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 9 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdf354d3fc416d0d8bac9c25b02ef4e112ffb794b9c3ca69331925503e6c9931.exe
    "C:\Users\Admin\AppData\Local\Temp\bdf354d3fc416d0d8bac9c25b02ef4e112ffb794b9c3ca69331925503e6c9931.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Users\Admin\AppData\Local\Temp\msxcelss.exe
      "C:\Users\Admin\AppData\Local\Temp\msxcelss.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5088
      • C:\Users\Admin\AppData\Local\Temp\msxcelss.exe
        "C:\Users\Admin\AppData\Local\Temp\msxcelss.exe"
        3⤵
        • Executes dropped EXE
        PID:5052
      • C:\Users\Admin\AppData\Local\Temp\msxcelss.exe
        "C:\Users\Admin\AppData\Local\Temp\msxcelss.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        PID:3748
    • C:\Users\Admin\AppData\Local\Temp\msexcels.exe
      "C:\Users\Admin\AppData\Local\Temp\msexcels.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:712
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
      2⤵
        PID:4328
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
        2⤵
        • Checks whether UAC is enabled
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1592
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
        2⤵
        • Checks whether UAC is enabled
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:3844

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      1.6MB

      MD5

      ce7bdfd133653fbd3dfe93410a311033

      SHA1

      ba3e756fadb8b17893820494b2e3b0233f9e7c41

      SHA256

      4afad17a2da5905290426d287a6b0029a4addfe0ef0054fd1c229dbfe4d6bc55

      SHA512

      7393ef0f92e4b21e0f5317996bf0519a1ff0c81d489c15af5ce34428999983c156bfe4da7004588aae896d7b6f1d757b2e9f9efd0a20f68b7d2ec4c2dfd01b58

      Download Submit

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

      1.6MB

      MD5

      ce7bdfd133653fbd3dfe93410a311033

      SHA1

      ba3e756fadb8b17893820494b2e3b0233f9e7c41

      SHA256

      4afad17a2da5905290426d287a6b0029a4addfe0ef0054fd1c229dbfe4d6bc55

      SHA512

      7393ef0f92e4b21e0f5317996bf0519a1ff0c81d489c15af5ce34428999983c156bfe4da7004588aae896d7b6f1d757b2e9f9efd0a20f68b7d2ec4c2dfd01b58

      Download Submit

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

      1.4MB

      MD5

      9d122b71bb82aea292e6366290b2bbb2

      SHA1

      57fe5bbfae583bff6ca5fb4c984d068149854e8a

      SHA256

      c7a9047e0114a870911a3a22f9965109c078659f9c5929af7459781d6c598085

      SHA512

      967bb7c84876d05c5b17c39d7832fb82aaa56d4cdf186aec95d4445c6a49e6eb52c07c88c310d428ebfc991e2545cc5be95be233200810597fe9513d5b9421e4

      Download Submit

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

      1.4MB

      MD5

      9d122b71bb82aea292e6366290b2bbb2

      SHA1

      57fe5bbfae583bff6ca5fb4c984d068149854e8a

      SHA256

      c7a9047e0114a870911a3a22f9965109c078659f9c5929af7459781d6c598085

      SHA512

      967bb7c84876d05c5b17c39d7832fb82aaa56d4cdf186aec95d4445c6a49e6eb52c07c88c310d428ebfc991e2545cc5be95be233200810597fe9513d5b9421e4

      Download Submit

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

      1.4MB

      MD5

      9d122b71bb82aea292e6366290b2bbb2

      SHA1

      57fe5bbfae583bff6ca5fb4c984d068149854e8a

      SHA256

      c7a9047e0114a870911a3a22f9965109c078659f9c5929af7459781d6c598085

      SHA512

      967bb7c84876d05c5b17c39d7832fb82aaa56d4cdf186aec95d4445c6a49e6eb52c07c88c310d428ebfc991e2545cc5be95be233200810597fe9513d5b9421e4

      Download Submit

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

      1.4MB

      MD5

      9d122b71bb82aea292e6366290b2bbb2

      SHA1

      57fe5bbfae583bff6ca5fb4c984d068149854e8a

      SHA256

      c7a9047e0114a870911a3a22f9965109c078659f9c5929af7459781d6c598085

      SHA512

      967bb7c84876d05c5b17c39d7832fb82aaa56d4cdf186aec95d4445c6a49e6eb52c07c88c310d428ebfc991e2545cc5be95be233200810597fe9513d5b9421e4

      Download Submit

    • C:\Users\Admin\AppData\Roaming\146ECCBB-68C5-4730-B193-CA9B081460A7\run.dat
      Filesize

      8B

      MD5

      7e82136468f86e6e96a7df3611b88296

      SHA1

      b1ee639cd6439b4928ab7915576297878de8f710

      SHA256

      a457a8de74ec7c317f67947ccf577dbf357d34784605cc9448c8659fede93399

      SHA512

      25c1dc44ba684321d58e04182c3ed2585c8ee6b0830d0e11d9476dc81933402ba53eeb66d30b56b4498c438343c70a6fd541cd948705f55257a6f28588023a93

      Download Submit

    • memory/712-142-0x0000000073010000-0x00000000735C1000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/712-149-0x0000000073010000-0x00000000735C1000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/712-140-0x0000000000000000-mapping.dmp

      Download

    • memory/1592-139-0x0000000000000000-mapping.dmp

      Download

    • memory/1592-152-0x0000000073010000-0x00000000735C1000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/1592-143-0x0000000073010000-0x00000000735C1000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/1592-150-0x0000000073010000-0x00000000735C1000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/1596-141-0x0000000000FC0000-0x0000000001007000-memory.dmp

      Filesize

      284KB

      Download

    • memory/1596-137-0x0000000000CC0000-0x0000000000D07000-memory.dmp

      Filesize

      284KB

      Download

    • memory/1596-133-0x0000000000000000-mapping.dmp

      Download

    • memory/3748-146-0x0000000000000000-mapping.dmp

      Download

    • memory/3748-151-0x0000000000400000-0x000000000042B000-memory.dmp

      Filesize

      172KB

      Download

    • memory/3844-154-0x0000000073010000-0x00000000735C1000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/3844-153-0x0000000000000000-mapping.dmp

      Download

    • memory/3844-156-0x0000000073010000-0x00000000735C1000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/4952-136-0x0000000003E80000-0x0000000003EB3000-memory.dmp

      Filesize

      204KB

      Download

    • memory/4952-138-0x00000000041A0000-0x00000000041D3000-memory.dmp

      Filesize

      204KB

      Download

    • memory/5088-148-0x0000000003210000-0x0000000003230000-memory.dmp

      Filesize

      128KB

      Download

    • memory/5088-144-0x0000000000CE0000-0x0000000000D00000-memory.dmp

      Filesize

      128KB

      Download

    • memory/5088-130-0x0000000000000000-mapping.dmp

      Download