D1682AA725C47B89C2066CFEAA8B3B55.exe

General
Target

D1682AA725C47B89C2066CFEAA8B3B55.exe

Filesize

793KB

Completed

24-07-2021 00:06

Score
10 /10
MD5

d1682aa725c47b89c2066cfeaa8b3b55

SHA1

c802cfd2f442200bafaf6a5fbeb70f52ee846bb2

SHA256

c539c08e04ef8ab4ee18e69ab3346214ffcbfd262679c558f7b5ca651767d61d

Malware Config

Extracted

Family netwire
C2

nozomi.takanome.io:9030

hikari.takanome.io:9030

Attributes
activex_autorun
false
activex_key
copy_executable
false
delete_original
false
host_id
HostId-%Rand%
install_path
keylogger_dir
%AppData%\Syslog\
lock_executable
false
mutex
offline_keylogger
true
password
Jtenike70+
registry_autorun
false
startup_name
use_mutex
false
Signatures 10

Filter: none

Defense Evasion
Discovery
Persistence
  • Modifies WinLogon for persistence
    D1682AA725C47B89C2066CFEAA8B3B55.exe

    TTPs

    Winlogon Helper DLLModify Registry

    Reported IOCs

    descriptioniocprocess
    Set value (str)\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Certificate.exe\","D1682AA725C47B89C2066CFEAA8B3B55.exe
  • NetWire RAT payload

    Tags

    Reported IOCs

    resourceyara_rule
    behavioral2/memory/2376-133-0x0000000000400000-0x0000000000433000-memory.dmpnetwire
    behavioral2/memory/2376-134-0x000000000040242D-mapping.dmpnetwire
    behavioral2/memory/2376-137-0x0000000000400000-0x0000000000433000-memory.dmpnetwire
  • Netwire

    Description

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

  • Executes dropped EXE
    aspnet_compiler.exeaspnet_compiler.exe

    Reported IOCs

    pidprocess
    1800aspnet_compiler.exe
    2376aspnet_compiler.exe
  • Suspicious use of SetThreadContext
    D1682AA725C47B89C2066CFEAA8B3B55.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 4000 set thread context of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
  • Enumerates physical storage devices

    Description

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

    TTPs

    System Information Discovery
  • Modifies registry class
    D1682AA725C47B89C2066CFEAA8B3B55.exe

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local SettingsD1682AA725C47B89C2066CFEAA8B3B55.exe
  • Suspicious behavior: EnumeratesProcesses
    D1682AA725C47B89C2066CFEAA8B3B55.exepowershell.exe

    Reported IOCs

    pidprocess
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    612powershell.exe
    612powershell.exe
    612powershell.exe
  • Suspicious use of AdjustPrivilegeToken
    D1682AA725C47B89C2066CFEAA8B3B55.exepowershell.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege4000D1682AA725C47B89C2066CFEAA8B3B55.exe
    Token: SeDebugPrivilege612powershell.exe
  • Suspicious use of WriteProcessMemory
    D1682AA725C47B89C2066CFEAA8B3B55.exeWScript.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 4000 wrote to memory of 38484000D1682AA725C47B89C2066CFEAA8B3B55.exeWScript.exe
    PID 4000 wrote to memory of 38484000D1682AA725C47B89C2066CFEAA8B3B55.exeWScript.exe
    PID 4000 wrote to memory of 38484000D1682AA725C47B89C2066CFEAA8B3B55.exeWScript.exe
    PID 4000 wrote to memory of 18004000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 18004000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 18004000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 4000 wrote to memory of 23764000D1682AA725C47B89C2066CFEAA8B3B55.exeaspnet_compiler.exe
    PID 3848 wrote to memory of 6123848WScript.exepowershell.exe
    PID 3848 wrote to memory of 6123848WScript.exepowershell.exe
    PID 3848 wrote to memory of 6123848WScript.exepowershell.exe
Processes 5
  • C:\Users\Admin\AppData\Local\Temp\D1682AA725C47B89C2066CFEAA8B3B55.exe
    "C:\Users\Admin\AppData\Local\Temp\D1682AA725C47B89C2066CFEAA8B3B55.exe"
    Modifies WinLogon for persistence
    Suspicious use of SetThreadContext
    Modifies registry class
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Mmqcqapzpcejexxuxqnpv.vbs"
      Suspicious use of WriteProcessMemory
      PID:3848
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Microsoft\Certificate.exe'
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        PID:612
    • C:\Users\Admin\AppData\Local\Temp\aspnet_compiler.exe
      C:\Users\Admin\AppData\Local\Temp\aspnet_compiler.exe
      Executes dropped EXE
      PID:1800
    • C:\Users\Admin\AppData\Local\Temp\aspnet_compiler.exe
      C:\Users\Admin\AppData\Local\Temp\aspnet_compiler.exe
      Executes dropped EXE
      PID:2376
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Persistence
                  Privilege Escalation
                    Replay Monitor
                    00:00 00:00
                    Downloads
                    • C:\Users\Admin\AppData\Local\Temp\_Mmqcqapzpcejexxuxqnpv.vbs

                      MD5

                      4731312425ffc6b6741d95c7ebcd43a3

                      SHA1

                      6a6c9e8827a83ed686e84f193f973ddccde0e317

                      SHA256

                      888321ab0fde16b2849d4b8d6b57d69c4e3e645eabe3e286e7f5f36c56a8d3e2

                      SHA512

                      6390e7b920765f5d951970ef323ca26cb8190725b30551a34b5725c3aec70324172e5d769d692b821d5e6f8b82b1ec13dddab0860176a20e5c674fe8029ae279

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

                      MD5

                      1e98e92a982af948ee18ee819a2d8ad1

                      SHA1

                      6cb0bd87815118351e5e32c50b434079dfba255c

                      SHA256

                      235d3f96a78ce2dad584e6eb1a25fc386b3ae5e332c4d3c56f03b0a4978be778

                      SHA512

                      6711de2e00462c49852cee03fd8ef720310c4ffa5b3a653c08f2913a6146974f28b8a3b3ff38b3097310852a5aa3b964b77945bcefef3856911eb9acd0e42c6f

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

                      MD5

                      1e98e92a982af948ee18ee819a2d8ad1

                      SHA1

                      6cb0bd87815118351e5e32c50b434079dfba255c

                      SHA256

                      235d3f96a78ce2dad584e6eb1a25fc386b3ae5e332c4d3c56f03b0a4978be778

                      SHA512

                      6711de2e00462c49852cee03fd8ef720310c4ffa5b3a653c08f2913a6146974f28b8a3b3ff38b3097310852a5aa3b964b77945bcefef3856911eb9acd0e42c6f

                    • memory/612-145-0x0000000007570000-0x0000000007571000-memory.dmp

                    • memory/612-171-0x000000007E170000-0x000000007E171000-memory.dmp

                    • memory/612-170-0x0000000008D60000-0x0000000008D61000-memory.dmp

                    • memory/612-165-0x0000000008C00000-0x0000000008C01000-memory.dmp

                    • memory/612-158-0x0000000008C20000-0x0000000008C53000-memory.dmp

                    • memory/612-149-0x0000000007D10000-0x0000000007D11000-memory.dmp

                    • memory/612-148-0x0000000007300000-0x0000000007301000-memory.dmp

                    • memory/612-147-0x0000000004232000-0x0000000004233000-memory.dmp

                    • memory/612-146-0x0000000004230000-0x0000000004231000-memory.dmp

                    • memory/612-172-0x0000000008F20000-0x0000000008F21000-memory.dmp

                    • memory/612-241-0x0000000004233000-0x0000000004234000-memory.dmp

                    • memory/612-142-0x0000000006C00000-0x0000000006C01000-memory.dmp

                    • memory/612-141-0x0000000006C80000-0x0000000006C81000-memory.dmp

                    • memory/612-366-0x0000000006810000-0x0000000006811000-memory.dmp

                    • memory/612-136-0x0000000000000000-mapping.dmp

                    • memory/612-372-0x0000000006800000-0x0000000006801000-memory.dmp

                    • memory/612-140-0x0000000004180000-0x0000000004181000-memory.dmp

                    • memory/612-143-0x0000000007500000-0x0000000007501000-memory.dmp

                    • memory/2376-134-0x000000000040242D-mapping.dmp

                    • memory/2376-133-0x0000000000400000-0x0000000000433000-memory.dmp

                    • memory/2376-137-0x0000000000400000-0x0000000000433000-memory.dmp

                    • memory/3848-130-0x0000000000000000-mapping.dmp

                    • memory/4000-129-0x0000000001180000-0x0000000001181000-memory.dmp

                    • memory/4000-128-0x0000000009090000-0x0000000009091000-memory.dmp

                    • memory/4000-127-0x00000000053E3000-0x00000000053E5000-memory.dmp

                    • memory/4000-126-0x0000000008E90000-0x0000000008EFE000-memory.dmp

                    • memory/4000-121-0x0000000007440000-0x0000000007441000-memory.dmp

                    • memory/4000-120-0x0000000007360000-0x00000000073B4000-memory.dmp

                    • memory/4000-119-0x0000000005370000-0x0000000005371000-memory.dmp

                    • memory/4000-118-0x00000000053E0000-0x00000000053E1000-memory.dmp

                    • memory/4000-117-0x0000000005460000-0x0000000005461000-memory.dmp

                    • memory/4000-116-0x0000000005960000-0x0000000005961000-memory.dmp

                    • memory/4000-114-0x0000000000940000-0x0000000000941000-memory.dmp