Analysis

  • max time kernel
    113s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 11:41

General

  • Target

    ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03bN.exe

  • Size

    749KB

  • MD5

    9a9e86899eb8f8279dfb72133be528e0

  • SHA1

    e6d233b3382830ab3b8d130ff296be2bf7de72e3

  • SHA256

    ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03b

  • SHA512

    6947b28b67edf868c644c1f5f527efe107169ceaa383e2236feb486914651def57bc92b9c525d025a665a84307df81e70b5f102e3d85a9c1fd33a1e7fc563f0e

  • SSDEEP

    12288:bcsCELA+12Hd5lpvS36pDfi/xN3xb2GzmtVzxWWx0GKl/yCQwEyC+oHRf4kzGhkR:5zmrzxWjGKl/WhOoxw0

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

103.186.117.182:7788

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03bN.exe
    "C:\Users\Admin\AppData\Local\Temp\ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03bN.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03bN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1448
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ftKGjgysboAao.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4044
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ftKGjgysboAao" /XML "C:\Users\Admin\AppData\Local\Temp\tmp176B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3024
    • C:\Users\Admin\AppData\Local\Temp\ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03bN.exe
      "C:\Users\Admin\AppData\Local\Temp\ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03bN.exe"
      2⤵
        PID:5044
      • C:\Users\Admin\AppData\Local\Temp\ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03bN.exe
        "C:\Users\Admin\AppData\Local\Temp\ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03bN.exe"
        2⤵
        • Drops startup file
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

      Filesize

      18KB

      MD5

      b1501ee2ccd4d7657e924c84c68f644d

      SHA1

      3773f6400199b5edf944ae10ce56b373f5c23e80

      SHA256

      84a7c66a25b1b63760e9c2077fb6f583999346fdd242907de3b26c6e733bcd10

      SHA512

      b72bb31545059ae119f106b26e9a24e879b06b19eee77dc0db52665e40b6f470d5be56a1b24d9a5421f2d49334b0ea8ea337b49d0bd4523440fb41c74db18bb3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ylxpewbz.ahi.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp176B.tmp

      Filesize

      1KB

      MD5

      06a2dcba89ba8f4891a3fa7586fd6e3c

      SHA1

      287a46894926a4955a9504993bb273634de854a0

      SHA256

      741c6d0ed17d57f8b0d1b89ed2aab392f3b54b275542be62baa37b11898ad300

      SHA512

      10e9241006677190aea2d523237190f608ea93eacdbb2b2cb75da9e35dcc4bb998514f1b5ddad95794706dfe918a5c5db040e63ad564e25cea7db298880440c4

    • memory/1448-21-0x0000000004CE0000-0x0000000004D02000-memory.dmp

      Filesize

      136KB

    • memory/1448-44-0x0000000005790000-0x0000000005AE4000-memory.dmp

      Filesize

      3.3MB

    • memory/1448-91-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/1448-83-0x0000000007320000-0x000000000733A000-memory.dmp

      Filesize

      104KB

    • memory/1448-80-0x00000000071E0000-0x00000000071F1000-memory.dmp

      Filesize

      68KB

    • memory/1448-79-0x0000000007260000-0x00000000072F6000-memory.dmp

      Filesize

      600KB

    • memory/1448-78-0x0000000007050000-0x000000000705A000-memory.dmp

      Filesize

      40KB

    • memory/1448-15-0x00000000046E0000-0x0000000004716000-memory.dmp

      Filesize

      216KB

    • memory/1448-16-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/1448-17-0x0000000004E90000-0x00000000054B8000-memory.dmp

      Filesize

      6.2MB

    • memory/1448-18-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/1448-19-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/1448-57-0x0000000075220000-0x000000007526C000-memory.dmp

      Filesize

      304KB

    • memory/1448-23-0x00000000055A0000-0x0000000005606000-memory.dmp

      Filesize

      408KB

    • memory/1448-52-0x0000000005D60000-0x0000000005DAC000-memory.dmp

      Filesize

      304KB

    • memory/1448-51-0x0000000005CB0000-0x0000000005CCE000-memory.dmp

      Filesize

      120KB

    • memory/1448-22-0x00000000054C0000-0x0000000005526000-memory.dmp

      Filesize

      408KB

    • memory/3672-7-0x0000000005210000-0x0000000005222000-memory.dmp

      Filesize

      72KB

    • memory/3672-0-0x000000007497E000-0x000000007497F000-memory.dmp

      Filesize

      4KB

    • memory/3672-6-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/3672-1-0x0000000000650000-0x000000000070E000-memory.dmp

      Filesize

      760KB

    • memory/3672-5-0x00000000053F0000-0x000000000548C000-memory.dmp

      Filesize

      624KB

    • memory/3672-3-0x00000000050F0000-0x0000000005182000-memory.dmp

      Filesize

      584KB

    • memory/3672-50-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/3672-4-0x00000000051C0000-0x00000000051CA000-memory.dmp

      Filesize

      40KB

    • memory/3672-2-0x0000000005770000-0x0000000005D14000-memory.dmp

      Filesize

      5.6MB

    • memory/3672-8-0x000000007497E000-0x000000007497F000-memory.dmp

      Filesize

      4KB

    • memory/3672-9-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/3672-10-0x0000000006A60000-0x0000000006AB2000-memory.dmp

      Filesize

      328KB

    • memory/3976-46-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4044-76-0x0000000007890000-0x0000000007F0A000-memory.dmp

      Filesize

      6.5MB

    • memory/4044-77-0x0000000007240000-0x000000000725A000-memory.dmp

      Filesize

      104KB

    • memory/4044-75-0x0000000006F00000-0x0000000006FA3000-memory.dmp

      Filesize

      652KB

    • memory/4044-70-0x0000000006E90000-0x0000000006EAE000-memory.dmp

      Filesize

      120KB

    • memory/4044-20-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/4044-81-0x0000000007470000-0x000000000747E000-memory.dmp

      Filesize

      56KB

    • memory/4044-82-0x0000000007480000-0x0000000007494000-memory.dmp

      Filesize

      80KB

    • memory/4044-54-0x0000000075220000-0x000000007526C000-memory.dmp

      Filesize

      304KB

    • memory/4044-84-0x0000000007560000-0x0000000007568000-memory.dmp

      Filesize

      32KB

    • memory/4044-90-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/4044-53-0x0000000006EB0000-0x0000000006EE2000-memory.dmp

      Filesize

      200KB

    • memory/4044-29-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB

    • memory/4044-31-0x0000000074970000-0x0000000075120000-memory.dmp

      Filesize

      7.7MB