File name:

Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan

Full analysis: https://app.any.run/tasks/32ad70e0-8529-45bd-ae77-730432d2e1ff
Verdict: Malicious activity
Analysis date: January 22, 2025, 19:40:18
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (console) Intel 80386, for MS Windows, UPX compressed, 3 sections
MD5:

AC120137D7317DB137C91EA11AD3AF90

SHA1:

CD82C2DAEB59F1DDCB88513D73FCB7EFF1239749

SHA256:

F88DF0EBE5E2935450897750DC727D3A711D4829F0085D52CBAA3C62106C8511

SSDEEP:

98304:F3gYMReFcnGeg0ELiO2Vidq+yy9nn6WZuKv+aArH/JQv7VYWuJ66M7GC2OeiokmY:lTc1u

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

    No malicious indicators.

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe (PID: 1760)
      • HostChecker.exe (PID: 6508)

    • The executable file from the user directory is run by the CMD process

      • pskill.exe (PID: 5920)
      • pskill.exe (PID: 1448)
      • pskill.exe (PID: 5872)
      • pskill.exe (PID: 3952)
      • pskill.exe (PID: 5340)
      • pskill.exe (PID: 3612)
      • pskill.exe (PID: 3364)
      • pskill.exe (PID: 6136)
      • pskill.exe (PID: 1944)
      • pskill.exe (PID: 3732)
      • CCleaner.exe (PID: 5720)
      • devcon.exe (PID: 6344)
      • devcon.exe (PID: 6364)
      • devcon.exe (PID: 6412)
      • HostChecker.exe (PID: 6508)
      • pskill.exe (PID: 1228)

    • Executing commands from a ".bat" file

      • Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe (PID: 1760)

    • Process drops legitimate windows executable

      • Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe (PID: 1760)
      • HostChecker.exe (PID: 6508)

    • Starts CMD.EXE for commands execution

      • Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe (PID: 1760)

    • Uses REG/REGEDIT.EXE to modify registry

      • cmd.exe (PID: 5488)

    • Starts a Microsoft application from unusual location

      • devcon.exe (PID: 6344)
      • devcon.exe (PID: 6364)
      • devcon.exe (PID: 6412)

    • The process creates files with name similar to system file names

      • HostChecker.exe (PID: 6508)

    • Creates a software uninstall entry

      • HostChecker.exe (PID: 6508)

    • The process drops C-runtime libraries

      • HostChecker.exe (PID: 6508)

    • Malware-specific behavior (creating "System.dll" in Temp)

      • HostChecker.exe (PID: 6508)

  • INFO

    • Checks supported languages

      • pskill.exe (PID: 1448)
      • pskill.exe (PID: 5872)
      • pskill.exe (PID: 3952)
      • pskill.exe (PID: 3732)
      • Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe (PID: 1760)
      • pskill.exe (PID: 5920)
      • pskill.exe (PID: 3612)
      • pskill.exe (PID: 3364)
      • pskill.exe (PID: 6136)
      • pskill.exe (PID: 5340)
      • pskill.exe (PID: 1944)
      • pskill.exe (PID: 1228)
      • devcon.exe (PID: 6412)
      • HostChecker.exe (PID: 6508)

    • Reads the computer name

      • pskill.exe (PID: 5872)
      • pskill.exe (PID: 1448)
      • pskill.exe (PID: 3952)
      • pskill.exe (PID: 3732)
      • pskill.exe (PID: 5920)
      • pskill.exe (PID: 3364)
      • pskill.exe (PID: 3612)
      • pskill.exe (PID: 6136)
      • pskill.exe (PID: 5340)
      • pskill.exe (PID: 1944)
      • pskill.exe (PID: 1228)
      • HostChecker.exe (PID: 6508)

    • Create files in a temporary directory

      • Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe (PID: 1760)
      • HostChecker.exe (PID: 6508)

    • The sample compiled with english language support

      • Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe (PID: 1760)
      • HostChecker.exe (PID: 6508)

    • The process uses the downloaded file

      • cmd.exe (PID: 5488)

    • Creates files or folders in the user directory

      • HostChecker.exe (PID: 6508)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (39.3)
.exe | Win32 EXE Yoda's Crypter (38.6)
.dll | Win32 Dynamic Link Library (generic) (9.5)
.exe | Win32 Executable (generic) (6.5)
.exe | Generic Win/DOS Executable (2.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2010:11:08 13:12:00+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 2.5
CodeSize: 3260416
InitializedDataSize: 372736
UninitializedDataSize: 2670592
EntryPoint: 0x5a7750
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows command line
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
149
Monitored processes
25
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start wacatac.b!ml' in file 'junipernfix.exe' during a scheduled scan.exe conhost.exe no specs cmd.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs pskill.exe no specs ccleaner.exe no specs pcaui.exe no specs regedit.exe no specs regedit.exe no specs regedit.exe devcon.exe no specs devcon.exe no specs devcon.exe conhost.exe no specs hostchecker.exe junipersetupclientocx.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1228pskill.exe -t dsAccessService.exe -accepteulaC:\Users\admin\AppData\Local\Temp\6A65.tmp\pskill.exe—cmd.exe
User:
admin
Company:
Sysinternals - www.sysinternals.com
Integrity Level:
MEDIUM
Description:
Terminates processes on local or remote systems
Exit code:
4294967295
Version:
1.13
1412"C:\WINDOWS\system32\pcaui.exe" -g {11111111-1111-1111-1111-111111111111} -x {22bfeed6-cb41-4fe3-9e7b-fab443ef9e19} -a "CCleaner" -v "Piriform Ltd" -s "This app can't run because it causes security or performance issues on Windows. A new version may be available. Check with your software provider for an updated version that runs on this version of Windows." -n 2 -f 2021048 -k 0 -e "C:\Users\admin\AppData\Local\Temp\6A65.tmp\CCleaner.exe"C:\Windows\System32\pcaui.exe—CCleaner.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Program Compatibility Assistant User Interface
Version:
10.0.19041.3636 (WinBuild.160101.0800)
1448pskill.exe -t JuniperSetupClient.exe -accepteulaC:\Users\admin\AppData\Local\Temp\6A65.tmp\pskill.exe—cmd.exe
User:
admin
Company:
Sysinternals - www.sysinternals.com
Integrity Level:
MEDIUM
Description:
Terminates processes on local or remote systems
Exit code:
4294967295
Version:
1.13
1760"C:\Users\admin\AppData\Local\Temp\Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe" C:\Users\admin\AppData\Local\Temp\Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
1
Modules
Images
c:\users\admin\appdata\local\temp\wacatac.b!ml' in file 'junipernfix.exe' during a scheduled scan.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\gdi32.dll
1944pskill.exe -t dsHostChecker.exe -accepteulaC:\Users\admin\AppData\Local\Temp\6A65.tmp\pskill.exe—cmd.exe
User:
admin
Company:
Sysinternals - www.sysinternals.com
Integrity Level:
MEDIUM
Description:
Terminates processes on local or remote systems
Exit code:
4294967295
Version:
1.13
3364pskill.exe -t dsNcService.exe -accepteulaC:\Users\admin\AppData\Local\Temp\6A65.tmp\pskill.exe—cmd.exe
User:
admin
Company:
Sysinternals - www.sysinternals.com
Integrity Level:
MEDIUM
Description:
Terminates processes on local or remote systems
Exit code:
4294967295
Version:
1.13
3612pskill.exe -t dsHostChecker.exe -accepteulaC:\Users\admin\AppData\Local\Temp\6A65.tmp\pskill.exe—cmd.exe
User:
admin
Company:
Sysinternals - www.sysinternals.com
Integrity Level:
MEDIUM
Description:
Terminates processes on local or remote systems
Exit code:
4294967295
Version:
1.13
3688\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
3732pskill.exe -t dsNcService.exe -accepteulaC:\Users\admin\AppData\Local\Temp\6A65.tmp\pskill.exe—cmd.exe
User:
admin
Company:
Sysinternals - www.sysinternals.com
Integrity Level:
MEDIUM
Description:
Terminates processes on local or remote systems
Exit code:
4294967295
Version:
1.13
3952pskill.exe -t iexplore.exe -accepteulaC:\Users\admin\AppData\Local\Temp\6A65.tmp\pskill.exe—cmd.exe
User:
admin
Company:
Sysinternals - www.sysinternals.com
Integrity Level:
MEDIUM
Description:
Terminates processes on local or remote systems
Exit code:
4294967295
Version:
1.13
Modules
Images
c:\users\admin\appdata\local\temp\6a65.tmp\pskill.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\ws2_32.dll
Total events
810
Read events
786
Write events
24
Delete events
0

Modification events

(PID) Process:(3952) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(3732) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(3612) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(6136) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(1944) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(5872) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(1448) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(5920) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(3364) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
(PID) Process:(5340) pskill.exeKey:HKEY_CURRENT_USER\SOFTWARE\Sysinternals\PsKill
Operation:writeName:EulaAccepted
Value:
1
Executable files
39
Suspicious files
1
Text files
9
Unknown types
0

Dropped files

PID
Process
Filename
Type
1760Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan.exeC:\Users\admin\AppData\Local\Temp\6A65.tmp\pskill.exeexecutable
MD5:6F2F60AF33A5CAF03E1D0AC81A2DE892
SHA256:ED8F3C368BA229043C8ACEF7AE4F4A0FDE62BF39FCE51522916B7DCE1E837F71
6508HostChecker.exeC:\Users\admin\AppData\Roaming\Juniper Networks\Host Checker\dsWinClientResource_EN.dllexecutable
MD5:A878377E2F591ACC3C51A9DD8F0E2B58
SHA256:6F02C6038F12297550042FB3FEBF2A45D3EA36759059055D6F8EE26E45E29B4A
6508HostChecker.exeC:\Users\admin\AppData\Roaming\Juniper Networks\Host Checker\dsWinClientResource_DE.dllexecutable
MD5:82048D12E59C31A6CA9ECA26691021ED
SHA256:7E707673F002B081C25DEDE6A734E723ED0E62B2F6446A121A3D750D26CAC2A2
6508HostChecker.exeC:\Users\admin\AppData\Roaming\Juniper Networks\Host Checker\dsWinClientResource_ZH.dllexecutable
MD5:49F714250B14FB0DEAA84B198807FF94
SHA256:EA36D56FC988D776DE557D98C6213CCFA4AAF671087643817993F65B0009D6DF
6508HostChecker.exeC:\Users\admin\AppData\Roaming\Juniper Networks\Host Checker\dsWinClientResource_ES.dllexecutable
MD5:4BCEBF4F3F97FA172F15E166B9D487C4
SHA256:DC3BAE94D8DDD9DE63E167B73938784EB2C0A2151302291825A8FA2E472A7BCD
6508HostChecker.exeC:\Users\admin\AppData\Roaming\Juniper Networks\Host Checker\dsHostCheckerResource_en.dllexecutable
MD5:0473281CDEDFF16D7ACD4B2C732DFB74
SHA256:1A23E5A1410CA0BAC08ABC70E3A00D9A702ECB9C81B497F1C365B9DB41D67A38
6508HostChecker.exeC:\Users\admin\AppData\Roaming\Juniper Networks\Host Checker\dsWinClientResource_JA.dllexecutable
MD5:074021C7CE96BDEE46225A36A8FD5198
SHA256:5804A03122537D48F75EDD8DA6E47101BC8797CC9B4C138FEECE800F3C5801FA
6508HostChecker.exeC:\Users\admin\AppData\Roaming\Juniper Networks\Host Checker\dsWinClient.dllexecutable
MD5:C7AAAD2608903FD9F9CD08E3F31970DD
SHA256:A3DE427F632254B7F63803A93FD76ED79F9489B18C09E9F98AF577EF1A31EE8D
6508HostChecker.exeC:\Users\admin\AppData\Roaming\Juniper Networks\Host Checker\dsHostCheckerResource_de.dllexecutable
MD5:A39DF902743572465156493119DD42DA
SHA256:860D8CABB7FFF5EFDB7AD4A8C2C6F18EF0B2FB089A7B50B49764E205322565E8
6508HostChecker.exeC:\Users\admin\AppData\Local\Temp\nss7709.tmp\System.dllexecutable
MD5:D6A1DC60C505105DC5D3812694B06539
SHA256:F5E7A6981A1CDBE0B8E451088EA89012FCABDC1D0DF3F7C65A54CF73A62AE462
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
116
DNS requests
133
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5064
SearchApp.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
1176
svchost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
—
—
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
—
—
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
—
—
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
—
—
40.127.240.158:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
5064
SearchApp.exe
2.21.65.154:443
www.bing.com
Akamai International B.V.
NL
whitelisted
5564
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5064
SearchApp.exe
2.23.227.215:443
www.bing.com
Ooredoo Q.S.C.
QA
whitelisted
5064
SearchApp.exe
2.23.77.188:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
1176
svchost.exe
20.190.159.71:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1176
svchost.exe
2.23.77.188:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
1076
svchost.exe
184.28.89.167:443
go.microsoft.com
AKAMAI-AS
US
whitelisted
—
—
184.28.89.167:443
go.microsoft.com
AKAMAI-AS
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.73.194.208
whitelisted
www.bing.com
  • 2.23.227.215
  • 2.23.227.208
  • 2.21.65.154
  • 2.21.65.132
whitelisted
ocsp.digicert.com
  • 2.23.77.188
whitelisted
login.live.com
  • 20.190.159.71
  • 20.190.159.4
  • 40.126.31.69
  • 20.190.159.75
  • 20.190.159.0
  • 40.126.31.67
  • 20.190.159.73
  • 20.190.159.64
whitelisted
go.microsoft.com
  • 184.28.89.167
whitelisted
config.edge.skype.com
  • 13.107.42.16
whitelisted
edge.microsoft.com
  • 13.107.21.239
  • 204.79.197.239
whitelisted
business.bing.com
  • 13.107.6.158
whitelisted
edge-mobile-static.azureedge.net
  • 13.107.246.45
whitelisted
bzib.nelreports.net
  • 2.22.242.11
  • 2.22.242.105
whitelisted

Threats

No threats detected
Process
Message
regedit.exe
REGEDIT: CreateFile failed, GetLastError() = 2
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Reports
Wacatac.B!ml' in file 'junipernfix.exe' during a scheduled scan