File name:

Windows Loader.zip

Full analysis: https://app.any.run/tasks/4e61202b-017a-4078-bfd8-c3b3522ddebe
Verdict: Malicious activity
Analysis date: February 01, 2025, 21:41:05
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
arch-exec
upx
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract, compression method=store
MD5:

9371F45062600A31E649BF8EA5015984

SHA1:

B5AAE20DBFAD02A67A816CC2A7F026626140C1C9

SHA256:

068FDE02DABA0CB8BCB99EEFB99DFAF76B2681286F0FF0C9433F7BEA030B454D

SSDEEP:

98304:KmoO2RTBiBcUUh69fPXTHXlab+RLtW5xtsJ5m35j4HVsjOErMll6OyD2+zcUFQLN:H1

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

    • Generic archive extractor

      • WinRAR.exe (PID: 5208)

    • Uses Task Scheduler to autorun other applications

      • cmd.exe (PID: 440)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • WinRAR.exe (PID: 5208)
      • Windows 7 Loader.exe (PID: 6460)
      • taskmg.exe (PID: 6632)

    • Executable content was dropped or overwritten

      • Windows 7 Loader.exe (PID: 6460)

    • Starts CMD.EXE for commands execution

      • taskmg.exe (PID: 6632)

    • There is functionality for taking screenshot (YARA)

      • Windows 7 Loader.exe (PID: 6752)

    • Reads the BIOS version

      • Windows 7 Loader.exe (PID: 6752)
      • taskmg.exe (PID: 6632)

    • There is functionality for communication over UDP network (YARA)

      • Windows 7 Loader.exe (PID: 6752)

  • INFO

    • The sample compiled with english language support

      • WinRAR.exe (PID: 5208)
      • Windows 7 Loader.exe (PID: 6460)

    • Creates files or folders in the user directory

      • Windows 7 Loader.exe (PID: 6460)

    • Reads the computer name

      • Windows 7 Loader.exe (PID: 6460)
      • Windows 7 Loader.exe (PID: 6752)
      • taskmg.exe (PID: 6632)

    • Checks supported languages

      • Windows 7 Loader.exe (PID: 6460)
      • taskmg.exe (PID: 6632)
      • Windows 7 Loader.exe (PID: 6752)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 5208)

    • Process checks computer location settings

      • Windows 7 Loader.exe (PID: 6460)
      • taskmg.exe (PID: 6632)

    • Reads security settings of Internet Explorer

      • explorer.exe (PID: 6664)

    • UPX packer has been detected

      • Windows 7 Loader.exe (PID: 6752)

    • Reads Environment values

      • Windows 7 Loader.exe (PID: 6752)
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: 20
ZipBitFlag: -
ZipCompression: None
ZipModifyDate: 2017:12:19 17:36:34
ZipCRC: 0xe3db3bba
ZipCompressedSize: 32
ZipUncompressedSize: 32
ZipFileName: Windows Loader/build.conf
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
141
Monitored processes
14
Malicious processes
0
Suspicious processes
3

Behavior graph

Click at the process to see the details
start winrar.exe windows 7 loader.exe no specs windows 7 loader.exe explorer.exe no specs taskmg.exe no specs explorer.exe no specs windows 7 loader.exe no specs windows 7 loader.exe cmd.exe conhost.exe no specs schtasks.exe no specs svchost.exe cmd.exe no specs conhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
440"C:\Windows\System32\cmd.exe" /c schtasks /create /sc onlogon /f /tn "UpdateChecker" /tr "C:\Users\admin\AppData\Roaming\taskmg.exe"C:\Windows\SysWOW64\cmd.exe
taskmg.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\acgenral.dll
1544schtasks /create /sc onlogon /f /tn "UpdateChecker" /tr "C:\Users\admin\AppData\Roaming\taskmg.exe"C:\Windows\SysWOW64\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Task Scheduler Configuration Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\msvcrt.dll
2192C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s DnscacheC:\Windows\System32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll
4328\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
4540"C:\Windows\System32\cmd.exe" /c del /S /Q "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent"C:\Windows\SysWOW64\cmd.exe—taskmg.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\acgenral.dll
4672\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
5208"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Windows Loader.zip"C:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
6408"C:\Users\admin\AppData\Local\Temp\Rar$EXa5208.38775\Windows Loader\Windows 7 Loader.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa5208.38775\Windows Loader\Windows 7 Loader.exe—WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Windows 7 Loader Installation
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa5208.38775\windows loader\windows 7 loader.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
6460"C:\Users\admin\AppData\Local\Temp\Rar$EXa5208.38775\Windows Loader\Windows 7 Loader.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa5208.38775\Windows Loader\Windows 7 Loader.exe
WinRAR.exe
User:
admin
Integrity Level:
HIGH
Description:
Windows 7 Loader Installation
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa5208.38775\windows loader\windows 7 loader.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\acgenral.dll
6612"C:\Windows\System32\explorer.exe" C:\Users\admin\AppData\Roaming\WindowsLoader\Windows 7 Loader.exeC:\Windows\SysWOW64\explorer.exe—Windows 7 Loader.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Explorer
Exit code:
1
Version:
10.0.19041.3758 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\msvcp_win.dll
Total events
4 185
Read events
4 166
Write events
19
Delete events
0

Modification events

(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\Windows Loader.zip
(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(6664) explorer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:SlowContextMenuEntries
Value:
6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E23282770100000114020000000000C0000000000000468D0000006078A409B011A54DAFA526D86198A780390100009AD298B2EDA6DE11BA8CA68E55D895936E000000
(PID) Process:(5208) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\ArcColumnWidths
Operation:writeName:name
Value:
256
Executable files
3
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
5208WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa5208.38775\Windows Loader\Windows 7 Loader.exeexecutable
MD5:C219FDB4E5C327D16913D78D844AA1AB
SHA256:CC30186F3768FB29155BFE7DE70A3B296AFC863511DF36EFBFB0B1DB3D64D962
6460Windows 7 Loader.exeC:\Users\admin\AppData\Roaming\taskmg.exeexecutable
MD5:6A64C60E4F98E35B74676D0844D23AC3
SHA256:CE08048FA45E9CB8C3A799712EC5A235C05AB70251AE9996C53734B39370BDE3
6460Windows 7 Loader.exeC:\Users\admin\AppData\Roaming\WindowsLoader\Windows 7 Loader.exeexecutable
MD5:3976BD5FCBB7CD13F0C12BB69AFC2ADC
SHA256:BF5070EF8CF03A11D25460B3E09A479183CC0FA03D0EA32E4499998F509B1A40
5208WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa5208.38775\Windows Loader\build.conftext
MD5:EF5000CA3BA844E6BDBC3DE5D7DBE721
SHA256:09BC56D00B7993146B99C2D1EFF75B0823CF6962D559686854544DEC9F6CA9D3
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
32
DNS requests
19
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1176
svchost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
5064
SearchApp.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
2.16.241.19:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
3544
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
3544
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
6944
backgroundTaskHost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
—
—
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4712
MoUsoCoreWorker.exe
2.16.241.19:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4712
MoUsoCoreWorker.exe
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
—
—
2.21.65.153:443
—
Akamai International B.V.
NL
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
448
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5064
SearchApp.exe
2.21.65.132:443
—
Akamai International B.V.
NL
unknown
1176
svchost.exe
20.190.159.2:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5064
SearchApp.exe
2.23.77.188:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
whitelisted
crl.microsoft.com
  • 2.16.241.19
  • 2.16.241.12
whitelisted
www.microsoft.com
  • 95.101.149.131
whitelisted
google.com
  • 142.250.184.206
whitelisted
login.live.com
  • 20.190.159.2
  • 40.126.31.128
  • 20.190.159.75
  • 40.126.31.131
  • 40.126.31.0
  • 20.190.159.71
  • 20.190.159.129
  • 20.190.159.64
whitelisted
ocsp.digicert.com
  • 2.23.77.188
whitelisted
go.microsoft.com
  • 184.28.89.167
whitelisted
slscr.update.microsoft.com
  • 20.12.23.50
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 13.95.31.18
whitelisted
arc.msn.com
  • 20.199.58.43
whitelisted

Threats

PID
Process
Class
Message
2192
svchost.exe
Potentially Bad Traffic
ET DNS Query to a *.pw domain - Likely Hostile
No debug info
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Reports
Windows Loader.zip