Analysis

  • max time kernel
    119s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 05:51

General

  • Target

    a67c6217e4a4b41db92b61e824f5443e405d0b020eaf69f46d6ff18c8bc717d0.exe

  • Size

    8.7MB

  • MD5

    d49107379c7c90b6cc2e62dc1ba054d1

  • SHA1

    e247d205286796e154dc6eadc8ef604772b8061c

  • SHA256

    a67c6217e4a4b41db92b61e824f5443e405d0b020eaf69f46d6ff18c8bc717d0

  • SHA512

    3a07befffcdeb5acaeb40cd6f11bc44ede89867573baa325d5094a8bb21d246b0bf988f399820a7f519da0aade97d77ca8174228df6ee4d569ea969904cb9345

  • SSDEEP

    196608:hCbGPZmVfjsCbGPZmVfjiCbGPZmVfjsCbGPZmVfj2CbGPZmVfjsCbGPZmVfjiCbS:0GmVNGmVrGmVNGmVnGmVNGmVrGmVNGm2

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

jjj

C2

youri.mooo.com:1605

Mutex

e936a10f968ac948cd351c9629dbd36d

Attributes
  • reg_key

    e936a10f968ac948cd351c9629dbd36d

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

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

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 3 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 27 IoCs

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

  • Modifies registry class 1 IoCs
  • NTFS ADS 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 19 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a67c6217e4a4b41db92b61e824f5443e405d0b020eaf69f46d6ff18c8bc717d0.exe
    "C:\Users\Admin\AppData\Local\Temp\a67c6217e4a4b41db92b61e824f5443e405d0b020eaf69f46d6ff18c8bc717d0.exe"
    1⤵
    • Adds Run key to start application
    • Subvert Trust Controls: Mark-of-the-Web Bypass
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c start C:\PROGRA~3\A67C62~1.TXT
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\PROGRA~3\a67c6217e4a4b41db92b61e824f5443e405d0b020eaf69f46d6ff18c8bc717d0.exe.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2740
    • C:\ProgramData\winmgr107.exe
      C:\ProgramData\winmgr107.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        0
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:8
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:1428
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4340
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4624
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4612
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:264
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3556
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4496
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:804
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2376
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1172
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4092
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2808
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3716
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2892
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3356
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4768
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2980
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:960
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1684
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1748
  • C:\ProgramData\winmgr107.exe
    C:\ProgramData\winmgr107.exe
    1⤵
    • Executes dropped EXE
    • Subvert Trust Controls: Mark-of-the-Web Bypass
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    PID:2744
  • C:\ProgramData\winmgr107.exe
    C:\ProgramData\winmgr107.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:3452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~3\a67c6217e4a4b41db92b61e824f5443e405d0b020eaf69f46d6ff18c8bc717d0.exe.txt

    Filesize

    992B

    MD5

    c8cf7247d4cfc99a7582a42d13df4c08

    SHA1

    317f5588af0b3b6374c436fb00084c522fd78a83

    SHA256

    78bd99781e971622f1573bccf2ae9cdd7a7498cf81c1875afc65913e1083b1d0

    SHA512

    5dd86b7ba388e5d2ad61b1c69589f42c36eec23a04b3cece0941133e0cf0e8a6f1f3aa2242d87af72db725b4b96032dadae72b3be98af3cfce5786ad8c08c357

  • C:\ProgramData\winmgr107.exe

    Filesize

    8.7MB

    MD5

    82ebd1f19d2e7ee07bafea889c6ed24a

    SHA1

    302e9cd5966b5d57c5c93b0627f7f2f9f14b222c

    SHA256

    f431df86f7c6fdfa06478e52fb648c8f1b0d90d3d2ac5c0438ccde8c99f2193e

    SHA512

    c509a2bd16b24add0b9e0e77fcc7d88606057a4339d249401d51c436b4061bddf44641a2cb91e6016628524c3f60e3dca6bddc6baecb40a199aae2e4d675acb6

  • C:\Users\Admin\AppData\Local\Temp\a67c6217e4a4b41db92b61e824f5443e405d0b020eaf69f46d6ff18c8bc717d0.exe

    Filesize

    8.7MB

    MD5

    d49107379c7c90b6cc2e62dc1ba054d1

    SHA1

    e247d205286796e154dc6eadc8ef604772b8061c

    SHA256

    a67c6217e4a4b41db92b61e824f5443e405d0b020eaf69f46d6ff18c8bc717d0

    SHA512

    3a07befffcdeb5acaeb40cd6f11bc44ede89867573baa325d5094a8bb21d246b0bf988f399820a7f519da0aade97d77ca8174228df6ee4d569ea969904cb9345

  • memory/8-15-0x0000000000390000-0x000000000039C000-memory.dmp

    Filesize

    48KB