File name:

polarbearrepo-master.zip

Full analysis: https://app.any.run/tasks/3ecc1b32-6422-4cea-9dea-97822b02f849
Verdict: Malicious activity
Analysis date: May 22, 2019, 15:35:37
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/zip
File info: Zip archive data, at least v1.0 to extract
MD5:

E81DC4EE9D4077825C2DB6B32F851A66

SHA1:

655FD46804926F41CDF9F53CA80C9F56330C226E

SHA256:

08A85880C2AF639350B7086D7D50EE177B8371A357AF5D3A7060FF9488F4A631

SSDEEP:

196608:S99J3xz9WV070dRJmC7TyYmPpBUe08uPzPwcQbI9I:YPl9WV07UR7TyYoTjZ6TQbI9I

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

      • SearchProtocolHost.exe (PID: 2080)

    • Application was dropped or rewritten from another process

      • InjectDll.exe (PID: 2876)
      • polarbear.exe (PID: 2840)
      • polarbear.exe (PID: 1024)
      • schtasks.exe (PID: 3856)

    • Loads the Task Scheduler DLL interface

      • schtasks.exe (PID: 3856)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2620)

  • INFO

    • Manual execution by user

      • WINWORD.EXE (PID: 2496)
      • InjectDll.exe (PID: 2876)
      • polarbear.exe (PID: 2840)
      • schtasks.exe (PID: 3856)
      • polarbear.exe (PID: 1024)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2496)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2496)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 10
ZipBitFlag: -
ZipCompression: None
ZipModifyDate: 2019:05:22 05:49:25
ZipCRC: 0x00000000
ZipCompressedSize: -
ZipUncompressedSize: -
ZipFileName: polarbearrepo-master/
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
48
Monitored processes
7
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe searchprotocolhost.exe no specs winword.exe no specs injectdll.exe no specs polarbear.exe no specs polarbear.exe no specs schtasks.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1024"C:\Users\admin\Desktop\polarbearrepo-master\bearlpe\pocfiles\polarbear.exe" C:\Users\admin\Desktop\polarbearrepo-master\bearlpe\pocfiles\polarbear.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\polarbearrepo-master\bearlpe\pocfiles\polarbear.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
2080"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe5_ Global\UsGthrCtrlFltPipeMssGthrPipe5 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" C:\Windows\System32\SearchProtocolHost.exe—SearchIndexer.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft Windows Search Protocol Host
Exit code:
0
Version:
7.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\searchprotocolhost.exe
c:\windows\system32\ntdll.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\system32\user32.dll
c:\windows\system32\gdi32.dll
2496"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\polarbearrepo-master\angrypolarbearbug2\readme.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
Modules
Images
c:\program files\microsoft office\office14\winword.exe
c:\systemroot\system32\ntdll.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\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
2620"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\polarbearrepo-master.zip"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
2840"C:\Users\admin\Desktop\polarbearrepo-master\bearlpe\polarbear\Release\polarbear.exe" C:\Users\admin\Desktop\polarbearrepo-master\bearlpe\polarbear\Release\polarbear.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\polarbearrepo-master\bearlpe\polarbear\release\polarbear.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
2876"C:\Users\admin\Desktop\polarbearrepo-master\sandboxescape\Release\InjectDll.exe" C:\Users\admin\Desktop\polarbearrepo-master\sandboxescape\Release\InjectDll.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
1
Modules
Images
c:\users\admin\desktop\polarbearrepo-master\sandboxescape\release\injectdll.exe
c:\systemroot\system32\ntdll.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
3856"C:\Users\admin\Desktop\polarbearrepo-master\bearlpe\pocfiles\schtasks.exe" C:\Users\admin\Desktop\polarbearrepo-master\bearlpe\pocfiles\schtasks.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Schedule Tasks
Exit code:
0
Version:
5.1.2600.5512 (xpsp.080413-2108)
Modules
Images
c:\users\admin\desktop\polarbearrepo-master\bearlpe\pocfiles\schtasks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\mpr.dll
Total events
1 660
Read events
1 297
Write events
356
Delete events
7

Modification events

(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(2620) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\polarbearrepo-master.zip
(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\MainWin
Operation:writeName:Placement
Value:
2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF42000000420000000204000037020000
(PID) Process:(2620) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\General
Operation:writeName:LastFolder
Value:
C:\Users\admin\AppData\Local\Temp
Executable files
8
Suspicious files
1
Text files
56
Unknown types
5

Dropped files

PID
Process
Filename
Type
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\README.mdtext
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\PoC-Files\AngryPolarBearBug.exeexecutable
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\angrypolarbearbug.slntext
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\angrypolarbearbug\angrypolarbearbug.vcxprojxml
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\readme.rtftext
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\angrypolarbearbug\AngryPolarBearBug.cpptext
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\angrypolarbearbug\ReparsePoint.cpptext
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\angrypolarbearbug\FileOpLock.htext
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\angrypolarbearbug\ReparsePoint.htext
MD5:—
SHA256:—
2620WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2620.38786\polarbearrepo-master\angrypolarbearbug2\PoC-Files\Report.wertext
MD5:—
SHA256:—
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
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
polarbearrepo-master.zip