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File name:

ef43803e14265c86e0e579dd2a9d4aed26827fc7a17cd18b159f74b2877da183.7z

Full analysis: https://app.any.run/tasks/a110cacd-aa1f-4b12-94d8-8ae0ddbc902f
Verdict: Malicious activity
Analysis date: June 27, 2022, 08:29:40
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-7z-compressed
File info: 7-zip archive data, version 0.4
MD5:

6497176027838A757EBC9B747301090A

SHA1:

C68FE8EE1F48856A1434195C73D1BC981826B331

SHA256:

1A0252A83A7CBBC4A07F1066075132FC952BA6791396A9C8757E56E8CC6C24AA

SSDEEP:

24576:D5ZiJTWbSL5vs//5nprgdP/VQpHRy4sPNS9Z:DLbSNvw/5pWnCH8Yj

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

    • Drops executable file immediately after starts

      • WinRAR.exe (PID: 2936)

  • SUSPICIOUS

    • Checks supported languages

      • WinRAR.exe (PID: 2936)
      • cmd.exe (PID: 2820)

    • Reads the computer name

      • WinRAR.exe (PID: 2936)

    • Drops a file with a compile date too recent

      • WinRAR.exe (PID: 2936)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2936)

    • Uses RUNDLL32.EXE to load library

      • WinRAR.exe (PID: 2936)
      • cmd.exe (PID: 2820)

  • INFO

    • Reads the computer name

      • rundll32.exe (PID: 1776)

    • Manual execution by user

      • cmd.exe (PID: 2820)

    • Checks supported languages

      • rundll32.exe (PID: 1776)
      • rundll32.exe (PID: 2976)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.7z | 7-Zip compressed archive (v0.4) (57.1)
.7z | 7-Zip compressed archive (gen) (42.8)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
4
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe rundll32.exe no specs cmd.exe no specs rundll32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2936"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\ef43803e14265c86e0e579dd2a9d4aed26827fc7a17cd18b159f74b2877da183.7z"C:\Program Files\WinRAR\WinRAR.exe
Explorer.EXE
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Version:
5.91.0
1776"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\Rar$DIb2936.24396\ef43803e14265c86e0e579dd2a9d4aed26827fc7a17cd18b159f74b2877da183C:\Windows\system32\rundll32.exe—WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2820"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)
2976rundll32 ef43803e14265c86e0e579dd2a9d4aed26827fc7a17cd18b159f74b2877da183C:\Windows\system32\rundll32.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
1 250
Read events
1 217
Write events
33
Delete events
0

Modification events

(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(2936) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\virtio_ivshmem_master_build.zip
(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\Win7-KB3191566-x86.zip
(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\Desktop\ef43803e14265c86e0e579dd2a9d4aed26827fc7a17cd18b159f74b2877da183.7z
(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(2936) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2936WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIb2936.24396\ef43803e14265c86e0e579dd2a9d4aed26827fc7a17cd18b159f74b2877da183executable
MD5:43E7A4FC01C54D341776557D568E80F5
SHA256:EF43803E14265C86E0E579DD2A9D4AED26827FC7A17CD18B159F74B2877DA183
2936WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb2936.27288\ef43803e14265c86e0e579dd2a9d4aed26827fc7a17cd18b159f74b2877da183executable
MD5:43E7A4FC01C54D341776557D568E80F5
SHA256:EF43803E14265C86E0E579DD2A9D4AED26827FC7A17CD18B159F74B2877DA183
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
ef43803e14265c86e0e579dd2a9d4aed26827fc7a17cd18b159f74b2877da183.7z