Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2024, 09:51

General

  • Target

    F67D72EA066963D2022F70E713DF05FB.exe

  • Size

    340KB

  • MD5

    f67d72ea066963d2022f70e713df05fb

  • SHA1

    c872659bb161c05fe15b56b03ecda2f369779cf6

  • SHA256

    19ceb2fb547708b698c90222c404f1ae92f697a8f3471c34217eae990d384f21

  • SHA512

    fff2c9c05a221b6115b962c0b12465021cd7ef7f328bc66035a98c9a7cfac4c9eb293b648856d3a2f750361841c69d1664579e88f553901dbdc26a8e7ac2bcc9

  • SSDEEP

    6144:shKBbUiI0zzx/vnG2pFgLbkOtJ6b/7FQ8BKmBLoBXZauy1CYWQhZ66z+n4VZbd8:shKCqOkOj6T5NXOauy1CTQhZ66z24VZZ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

lemon.geoiplookup.live:56071

Mutex

Registry Editor

Attributes
  • reg_key

    Registry Editor

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 16 IoCs

    Run Powershell and hide display window.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Hide Artifacts: Hidden Window 1 TTPs 8 IoCs

    Windows that would typically be displayed when an application carries out an operation can be hidden.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Kills process with taskkill 1 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\F67D72EA066963D2022F70E713DF05FB.exe
    "C:\Users\Admin\AppData\Local\Temp\F67D72EA066963D2022F70E713DF05FB.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1388
    • \??\c:\windows\system32\cmstp.exe
      "c:\windows\system32\cmstp.exe" /au C:\Users\Admin\AppData\Local\Temp\3wswhyis.inf
      2⤵
        PID:3292
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\regedit.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\regedit.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Runs regedit.exe
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3936
        • C:\Windows\SYSTEM32\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\regedit.exe" "regedit.exe" ENABLE
          3⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:4808
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\version.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\version.exe
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4292
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:4252
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:3192
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cortana.exe
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:1432
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cortana.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:3492
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\OneDrive.exe
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:1060
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\OneDrive.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:5032
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:2152
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:4012
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemSettings.exe
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:3932
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemSettings.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:412
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Taskmgr.exe
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:1888
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Taskmgr.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:1204
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\msedge.exe
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:4068
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\msedge.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:2396
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\SystemSettingsBroker.exe
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:2816
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\SystemSettingsBroker.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:544
    • C:\Windows\system32\taskkill.exe
      taskkill /IM cmstp.exe /F
      1⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:752

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      2e907f77659a6601fcc408274894da2e

      SHA1

      9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

      SHA256

      385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

      SHA512

      34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      e243a38635ff9a06c87c2a61a2200656

      SHA1

      ecd95ed5bf1a9fbe96a8448fc2814a0210fa2afc

      SHA256

      af5782703f3f2d5a29fb313dae6680a64134db26064d4a321a3f23b75f6ca00f

      SHA512

      4418957a1b10eee44cf270c81816ae707352411c4f5ac14b6b61ab537c91480e24e0a0a2c276a6291081b4984c123cf673a45dcedb0ceeef682054ba0fc19cb4

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      77d622bb1a5b250869a3238b9bc1402b

      SHA1

      d47f4003c2554b9dfc4c16f22460b331886b191b

      SHA256

      f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

      SHA512

      d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      3a6bad9528f8e23fb5c77fbd81fa28e8

      SHA1

      f127317c3bc6407f536c0f0600dcbcf1aabfba36

      SHA256

      986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05

      SHA512

      846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2

    • C:\Users\Admin\AppData\Local\Temp\3wswhyis.inf

      Filesize

      619B

      MD5

      6f1420f2133f3e08fd8cdea0e1f5fe27

      SHA1

      3aa41ec75adc0cf50e001ca91bbfa7f763adf70b

      SHA256

      aed1ac2424a255f231168bcb02f16b6ea89603e0045465c2149abcde33a06242

      SHA512

      d5629e9835f881cd271e88d9ec2d2c27b9d5d1b25329ade5cfb9824a6358c9e98e66f1b89ac9459b4c540c02af2728129dd8523bdf007cadf28b5fa2d199a2aa

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4n24ut5r.yvv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\regedit.exe

      Filesize

      340KB

      MD5

      f67d72ea066963d2022f70e713df05fb

      SHA1

      c872659bb161c05fe15b56b03ecda2f369779cf6

      SHA256

      19ceb2fb547708b698c90222c404f1ae92f697a8f3471c34217eae990d384f21

      SHA512

      fff2c9c05a221b6115b962c0b12465021cd7ef7f328bc66035a98c9a7cfac4c9eb293b648856d3a2f750361841c69d1664579e88f553901dbdc26a8e7ac2bcc9

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\version.exe

      Filesize

      84KB

      MD5

      15ee95bc8e2e65416f2a30cf05ef9c2e

      SHA1

      107ca99d3414642450dec196febcd787ac8d7596

      SHA256

      c55b3aaf558c1cd8768f3d22b3fcc908a0e8c33e3f4e1f051d2b1b9315223d4d

      SHA512

      ed1cceb8894fb02cd585ec799e7c8564536976e50c04bf0c3e246a24a6eef719079455f1d6664fa09181979260db16903c60a0ef938472ca71ccaabe16ea1a98

    • memory/1388-9-0x000000001B920000-0x000000001B9BC000-memory.dmp

      Filesize

      624KB

    • memory/1388-110-0x00007FFE5A0F5000-0x00007FFE5A0F6000-memory.dmp

      Filesize

      4KB

    • memory/1388-126-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB

    • memory/1388-1-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB

    • memory/1388-111-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB

    • memory/1388-12-0x0000000001240000-0x000000000124C000-memory.dmp

      Filesize

      48KB

    • memory/1388-2-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB

    • memory/1388-11-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB

    • memory/1388-10-0x0000000001220000-0x0000000001228000-memory.dmp

      Filesize

      32KB

    • memory/1388-0-0x00007FFE5A0F5000-0x00007FFE5A0F6000-memory.dmp

      Filesize

      4KB

    • memory/1388-6-0x000000001C420000-0x000000001C8EE000-memory.dmp

      Filesize

      4.8MB

    • memory/1388-3-0x000000001BDE0000-0x000000001BE86000-memory.dmp

      Filesize

      664KB

    • memory/3192-25-0x000002111D450000-0x000002111D472000-memory.dmp

      Filesize

      136KB

    • memory/3936-127-0x000000001C6E0000-0x000000001C742000-memory.dmp

      Filesize

      392KB

    • memory/4292-19-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB

    • memory/4292-17-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB

    • memory/4292-16-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB

    • memory/4292-15-0x00007FFE59E40000-0x00007FFE5A7E1000-memory.dmp

      Filesize

      9.6MB