File name:

NyroCLR.rar

Full analysis: https://app.any.run/tasks/09bddd17-5ccf-47a6-b490-f8c656487c56
Verdict: Malicious activity
Analysis date: July 18, 2019, 14:18:10
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-rar
File info: RAR archive data, v5
MD5:

6B22BED5D35FBFEF16419BAE563CBB0A

SHA1:

616AD45E10272CC0DD65B6B8E5B11FB730A1976C

SHA256:

A405A9450BB083226A95848203303CF069D55B490C503BEEB82E38A05B2F2F76

SSDEEP:

6144:yCK3NeBE3EGJi2+HcG64DPvNOL4BjZqoKPLYebrfkLH4Pt:BWeBE1d+sEXi4BjZqlDQLH4F

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Loads dropped or rewritten executable

      • NyroCLR.exe (PID: 1340)
      • NyroCLR.exe (PID: 3008)
      • NyroCLR.exe (PID: 2128)

    • Application was dropped or rewritten from another process

      • NyroCLR.exe (PID: 1340)
      • NyroCLR.exe (PID: 3008)
      • NyroCLR.exe (PID: 2128)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 3856)

  • INFO

    • Application was crashed

      • NyroCLR.exe (PID: 3008)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.rar | RAR compressed archive (v5.0) (61.5)
.rar | RAR compressed archive (gen) (38.4)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
4
Malicious processes
2
Suspicious processes
2

Behavior graph

Click at the process to see the details
drop and start drop and start drop and start start winrar.exe nyroclr.exe no specs nyroclr.exe nyroclr.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1340"C:\Users\admin\AppData\Local\Temp\Rar$EXa3856.2188\NyroCLR\NyroCLR.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa3856.2188\NyroCLR\NyroCLR.exe—WinRAR.exe
User:
admin
Company:
Plot
Integrity Level:
MEDIUM
Description:
NyroCLR
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa3856.2188\nyroclr\nyroclr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2128"C:\Users\admin\AppData\Local\Temp\Rar$EXa3856.6156\NyroCLR\NyroCLR.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa3856.6156\NyroCLR\NyroCLR.exe—WinRAR.exe
User:
admin
Company:
Plot
Integrity Level:
MEDIUM
Description:
NyroCLR
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa3856.6156\nyroclr\nyroclr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3008"C:\Users\admin\AppData\Local\Temp\Rar$EXa3856.3456\NyroCLR\NyroCLR.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa3856.3456\NyroCLR\NyroCLR.exe
WinRAR.exe
User:
admin
Company:
Plot
Integrity Level:
MEDIUM
Description:
NyroCLR
Exit code:
3762504530
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa3856.3456\nyroclr\nyroclr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3856"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\NyroCLR.rar"C:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
Total events
451
Read events
439
Write events
12
Delete events
0

Modification events

(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(3856) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\70\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\NyroCLR.rar
(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3856) WinRAR.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
6
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3856WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3856.2188\NyroCLR\NyroCLR.exeexecutable
MD5:—
SHA256:—
3856WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3856.6156\NyroCLR\NyroCLR.exeexecutable
MD5:—
SHA256:—
3856WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3856.3456\NyroCLR\NyroCLR.exeexecutable
MD5:—
SHA256:—
3856WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3856.2188\NyroCLR\xNet.dllexecutable
MD5:BF1F76644BDDD20339548EBACF7A48EB
SHA256:5D9C2B1822BCAA71DDEAA5426D4312D8E174766AE8864C7ADD29D7F44CEA87F2
3856WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3856.3456\NyroCLR\xNet.dllexecutable
MD5:BF1F76644BDDD20339548EBACF7A48EB
SHA256:5D9C2B1822BCAA71DDEAA5426D4312D8E174766AE8864C7ADD29D7F44CEA87F2
3856WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3856.6156\NyroCLR\xNet.dllexecutable
MD5:BF1F76644BDDD20339548EBACF7A48EB
SHA256:5D9C2B1822BCAA71DDEAA5426D4312D8E174766AE8864C7ADD29D7F44CEA87F2
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
NyroCLR.rar