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download:

kernelpromote.222044.gz

Full analysis: https://app.any.run/tasks/ec0cb8b5-7767-45f0-9e9c-0a9c986b759d
Verdict: Malicious activity
Analysis date: August 13, 2019, 21:57:58
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/gzip
File info: gzip compressed data, was "kernelpromote.dll", last modified: Wed Jul 17 02:54:00 2019, max compression, from FAT filesystem (MS-DOS, OS/2, NT)
MD5:

29FAD410B4E3085BDE9EF167A9C0AE30

SHA1:

3475DC264416BDDCA9A87638B4BCCEBDF7AA4845

SHA256:

791B8609C43A12B506241F6F011FD2ADF1B6A09077C7F1E64D47A479D8201C03

SSDEEP:

98304:CIDH2ILRACUtue4QPO5/aoNYje2inZ1Ujs1Lf6g9lDp33d/Qb8Ro7:HaCw4QPOAoNV2inZ1is1Lf6YdpdoQRo7

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

      • regsvr32.exe (PID: 2532)
      • regsvr32.exe (PID: 2820)

    • Registers / Runs the DLL via REGSVR32.EXE

      • cmd.exe (PID: 3648)

  • SUSPICIOUS

    • Application launched itself

      • WinRAR.exe (PID: 4024)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 3068)

    • Creates files in the Windows directory

      • WinRAR.exe (PID: 3068)

  • INFO

    • Manual execution by user

      • cmd.exe (PID: 3648)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.z/gz/gzip | GZipped data (100)

EXIF

ZIP

ArchivedFileName: kernelpromote.dll
OperatingSystem: FAT filesystem (MS-DOS, OS/2, NT/Win32)
ExtraFlags: Maximum Compression
ModifyDate: 2019:07:17 04:54:00+02:00
Flags: FileName
Compression: Deflated
No data.
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All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
5
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winrar.exe no specs cmd.exe no specs winrar.exe regsvr32.exe no specs regsvr32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
4024"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\kernelpromote.222044.gz"C:\Program Files\WinRAR\WinRAR.exe—explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Version:
5.60.0
3648"C:\Windows\system32\cmd.exe" C:\Windows\system32\cmd.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
3068"C:\Program Files\WinRAR\WinRAR.exe" -elevate4024C:\Program Files\WinRAR\WinRAR.exe
WinRAR.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
HIGH
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
2532regsvr32 kernelpromote.dllC:\Windows\System32\regsvr32.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft(C) Register Server
Exit code:
4
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2820regsvr32 kernelpromote.dllC:\Windows\System32\regsvr32.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft(C) Register Server
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
512
Read events
485
Write events
27
Delete events
0

Modification events

(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(4024) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\72\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\kernelpromote.222044.gz
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\DialogEditHistory\ExtrPath
Operation:writeName:0
Value:
C:\Windows\System32
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3068WinRAR.exeC:\Windows\System32\kernelpromote.dllexecutable
MD5:5252FC658846EB4A99A5AE48473F6060
SHA256:98A71C7C665D2D3571AC43145D3FF8F438A69CE70C0849D9CB70ED0B59FD322A
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
kernelpromote.222044.gz