download:

/vir/Virus.Win32.Elkern.c

Full analysis: https://app.any.run/tasks/04451c2c-49d0-4e9a-9670-a02dd4208759
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Analysis date: November 30, 2024, 10:19:46
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
stealer
evasion
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:

EB31C19802FC0519E5F7438F202618AD

SHA1:

7D83B1B40107193DFC231EC2C0D5BAFD6BCE8EBD

SHA256:

366C1CA77DBFEC4D7F30CD59B775A75ED06D9F0EA96B310B24E25C623D390F29

SSDEEP:

96:iC9dFBuBXee+rO63xZxMfiajIVgQbgjEbguMwTHRSeiuR/wJ66xrCaSV1vn:vKdQqjIRH7PStriV1v

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

    • Actions looks like stealing of personal data

      • CCleaner.exe (PID: 148)
    • Steals credentials from Web Browsers

      • CCleaner.exe (PID: 148)
  • SUSPICIOUS

    • Starts application with an unusual extension

      • runas.exe (PID: 1932)
    • Starts another process probably with elevated privileges via RUNAS.EXE

      • runas.exe (PID: 1932)
    • Creates file in the systems drive root

      • Virus.Win32.Elkern.c (PID: 1608)
    • Executable content was dropped or overwritten

      • Virus.Win32.Elkern.c (PID: 1608)
      • CCleaner.exe (PID: 148)
    • Process drops legitimate windows executable

      • Virus.Win32.Elkern.c (PID: 1608)
    • The process executes via Task Scheduler

      • CCleaner.exe (PID: 148)
    • Reads Internet Explorer settings

      • CCleaner.exe (PID: 148)
    • Checks Windows Trust Settings

      • CCleaner.exe (PID: 148)
    • Reads security settings of Internet Explorer

      • CCleaner.exe (PID: 148)
    • Reads settings of System Certificates

      • CCleaner.exe (PID: 148)
    • Reads the date of Windows installation

      • CCleaner.exe (PID: 148)
    • Searches for installed software

      • CCleaner.exe (PID: 148)
    • Reads Microsoft Outlook installation path

      • CCleaner.exe (PID: 148)
    • Checks for external IP

      • CCleaner.exe (PID: 148)
    • Reads the Internet Settings

      • CCleaner.exe (PID: 148)
  • INFO

    • Checks supported languages

      • Virus.Win32.Elkern.c (PID: 1608)
      • CCleaner.exe (PID: 148)
      • CCleaner.exe (PID: 1888)
      • wmpnscfg.exe (PID: 3472)
    • Manual execution by a user

      • explorer.exe (PID: 2252)
      • CCleaner.exe (PID: 1888)
      • wmpnscfg.exe (PID: 3472)
    • Reads Environment values

      • CCleaner.exe (PID: 148)
      • CCleaner.exe (PID: 1888)
    • Reads the computer name

      • CCleaner.exe (PID: 148)
      • CCleaner.exe (PID: 1888)
      • wmpnscfg.exe (PID: 3472)
    • Sends debugging messages

      • CCleaner.exe (PID: 148)
    • Reads CPU info

      • CCleaner.exe (PID: 148)
    • Reads product name

      • CCleaner.exe (PID: 148)
    • Reads the machine GUID from the registry

      • CCleaner.exe (PID: 148)
    • Reads the software policy settings

      • CCleaner.exe (PID: 148)
    • Creates files in the program directory

      • CCleaner.exe (PID: 148)
    • Checks proxy server information

      • CCleaner.exe (PID: 148)
    • Creates files or folders in the user directory

      • CCleaner.exe (PID: 148)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2040:09:25 06:32:43+00:00
ImageFileCharacteristics: Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi
PEType: PE32
LinkerVersion: 2.25
CodeSize: 1024
InitializedDataSize: 3072
UninitializedDataSize: -
EntryPoint: 0x1000
OSVersion: 1
ImageVersion: -
SubsystemVersion: 3.1
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
6
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start runas.exe no specs virus.win32.elkern.c explorer.exe no specs ccleaner.exe no specs ccleaner.exe wmpnscfg.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
148"C:\Program Files\CCleaner\CCleaner.exe" /uacC:\Program Files\CCleaner\CCleaner.exe
taskeng.exe
User:
admin
Company:
Piriform Software Ltd
Integrity Level:
HIGH
Description:
CCleaner
Exit code:
0
Version:
6.14.0.10584
Modules
Images
c:\program files\ccleaner\ccleaner.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\nsi.dll
c:\windows\system32\advapi32.dll
1608C:\Users\admin\Desktop\Virus.Win32.Elkern.cC:\Users\admin\Desktop\Virus.Win32.Elkern.c
runas.exe
User:
Administrator
Integrity Level:
HIGH
Modules
Images
c:\users\admin\desktop\virus.win32.elkern.c
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sfc.dll
c:\windows\system32\mpr.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1888"C:\Program Files\CCleaner\CCleaner.exe" C:\Program Files\CCleaner\CCleaner.exeexplorer.exe
User:
admin
Company:
Piriform Software Ltd
Integrity Level:
MEDIUM
Description:
CCleaner
Exit code:
0
Version:
6.14.0.10584
Modules
Images
c:\program files\ccleaner\ccleaner.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\nsi.dll
c:\windows\system32\advapi32.dll
1932"C:\Windows\System32\runas.exe" /user:administrator C:\Users\admin\Desktop\Virus.Win32.Elkern.cC:\Windows\System32\runas.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Run As Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\runas.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\credui.dll
c:\windows\system32\user32.dll
2252"C:\Windows\explorer.exe" C:\Windows\explorer.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.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\gdi32.dll
c:\windows\system32\user32.dll
3472"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
15 193
Read events
14 948
Write events
175
Delete events
70

Modification events

(PID) Process:(148) CCleaner.exeKey:HKEY_CURRENT_USER\Software\Piriform\CCleaner
Operation:writeName:DAST
Value:
11/30/2024 10:24:19
(PID) Process:(148) CCleaner.exeKey:HKEY_CURRENT_USER\Software\Piriform\CCleaner
Operation:writeName:T8062
Value:
0
(PID) Process:(148) CCleaner.exeKey:HKEY_CURRENT_USER\Software\Piriform\CCleaner
Operation:writeName:UpdateBackground
Value:
0
(PID) Process:(148) CCleaner.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(148) CCleaner.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore
Operation:writeName:SystemRestorePointCreationFrequency
Value:
0
(PID) Process:(148) CCleaner.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:delete valueName:CCleaner PostInstall
Value:
(PID) Process:(148) CCleaner.exeKey:HKEY_CURRENT_USER\Software\Piriform\CCleaner
Operation:writeName:FTU
Value:
02/11/2020|11|1
(PID) Process:(148) CCleaner.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Piriform\CCleaner
Operation:delete valueName:GUID
Value:
(PID) Process:(148) CCleaner.exeKey:HKEY_CURRENT_USER\Software\Piriform\CCleaner
Operation:delete valueName:AutoUpdateNotificationExpiryTime
Value:
(PID) Process:(148) CCleaner.exeKey:HKEY_CURRENT_USER\Software\Piriform\CCleaner
Operation:writeName:LTR
Value:
11/30/2024 10:24:23
Executable files
186
Suspicious files
22
Text files
103
Unknown types
0

Dropped files

PID
Process
Filename
Type
1608Virus.Win32.Elkern.cC:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccLR.cab
MD5:
SHA256:
1608Virus.Win32.Elkern.cC:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\AccLR.cab
MD5:
SHA256:
1608Virus.Win32.Elkern.cC:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\AccLR.cab
MD5:
SHA256:
1608Virus.Win32.Elkern.cC:\MSOCache\All Users\{90140000-0015-0411-0000-0000000FF1CE}-C\AccLR.cab
MD5:
SHA256:
1608Virus.Win32.Elkern.cC:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccessMUI.xmlxml
MD5:A8F5ADBA09ECCF58D2B1FB57D2A8BD80
SHA256:BF88EA73C18E4608C569113DFF23E9F2FC51A3E037F268EBDBDEABCF6C2E7A14
1608Virus.Win32.Elkern.cC:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccessMUI.msiexecutable
MD5:B68BD80A5A3B703BABC7FB19BAF104AB
SHA256:1CB1E08D560E9E6C62A7E48680A218D022F0D331EB52F3CE66504A167FAD652F
1608Virus.Win32.Elkern.cC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-500\desktop.initext
MD5:A526B9E7C716B3489D8CC062FBCE4005
SHA256:E1B9CE9B57957B1A0607A72A057D6B7A9B34EA60F3F8AA8F38A3AF979BD23066
1608Virus.Win32.Elkern.cC:\MSOCache\All Users\{90140000-0015-0412-0000-0000000FF1CE}-C\AccLR.cab
MD5:
SHA256:
1608Virus.Win32.Elkern.cC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\desktop.initext
MD5:A526B9E7C716B3489D8CC062FBCE4005
SHA256:E1B9CE9B57957B1A0607A72A057D6B7A9B34EA60F3F8AA8F38A3AF979BD23066
1608Virus.Win32.Elkern.cC:\config.systext
MD5:ED4FC5980BD8B1AD869FF725C7776338
SHA256:E382AE82D3F529644CB4BD8AA8A592656FA406AE6D805BA869BFC355C7EC682D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
23
DNS requests
17
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
148
CCleaner.exe
GET
200
2.19.198.59:80
http://ncc.avast.com/ncc.txt
unknown
whitelisted
148
CCleaner.exe
GET
304
199.232.210.172:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?fa3097043d0ff7f1
unknown
whitelisted
148
CCleaner.exe
GET
304
199.232.210.172:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?7d8c78db1edc1f58
unknown
whitelisted
148
CCleaner.exe
GET
304
199.232.210.172:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?fcd901239762c6fd
unknown
whitelisted
148
CCleaner.exe
GET
304
199.232.210.172:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?980ba67408521baa
unknown
whitelisted
148
CCleaner.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAbY2QTVWENG9oovp1QifsQ%3D
unknown
whitelisted
148
CCleaner.exe
GET
200
142.250.184.195:80
http://ocsp.pki.goog/gsr1/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS3V7W2nAf4FiMTjpDJKg6%2BMgGqMQQUYHtmGkUNl8qJUC99BM00qP%2F8%2FUsCEHe9DWzbNvka6iEPxPBY0w0%3D
unknown
whitelisted
148
CCleaner.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTk45WiKdPUwcMf8JgMC07ACYqr2AQUt2ui6qiqhIx56rTaD5iyxZV2ufQCEAXfj0A2M0oL7zuU%2F%2F2jetU%3D
unknown
whitelisted
148
CCleaner.exe
GET
200
142.250.185.163:80
http://o.pki.goog/s/wr3/AqI/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQSq0i5t2Pafi2Gw9uzwnc7KTctWgQUx4H1%2FY6I2QA8TWOiUDEkoM4j%2FiMCEAKip99NqhV%2FCckBv8VwPZU%3D
unknown
whitelisted
148
CCleaner.exe
GET
200
172.217.18.3:80
http://c.pki.goog/r/r1.crl
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
System
192.168.100.255:137
whitelisted
4
System
192.168.100.255:138
whitelisted
1108
svchost.exe
224.0.0.252:5355
whitelisted
148
CCleaner.exe
2.19.198.59:80
ncc.avast.com
Akamai International B.V.
DE
whitelisted
148
CCleaner.exe
34.117.223.223:443
analytics.ff.avast.com
GOOGLE-CLOUD-PLATFORM
US
whitelisted
148
CCleaner.exe
34.111.24.1:443
ipm-provider.ff.avast.com
GOOGLE
US
whitelisted
148
CCleaner.exe
34.160.176.28:443
shepherd.ff.avast.com
GOOGLE
US
whitelisted
148
CCleaner.exe
34.111.175.102:443
ip-info.ff.avast.com
GOOGLE
US
whitelisted
148
CCleaner.exe
2.16.193.53:443
www.ccleaner.com
AKAMAI-AS
DE
whitelisted
148
CCleaner.exe
199.232.210.172:80
ctldl.windowsupdate.com
FASTLY
US
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.206
whitelisted
ncc.avast.com
  • 2.19.198.59
  • 2.19.198.72
whitelisted
analytics.ff.avast.com
  • 34.117.223.223
whitelisted
www.ccleaner.com
  • 2.16.193.53
whitelisted
shepherd.ff.avast.com
  • 34.160.176.28
whitelisted
ip-info.ff.avast.com
  • 34.111.175.102
whitelisted
ipm-provider.ff.avast.com
  • 34.111.24.1
whitelisted
ctldl.windowsupdate.com
  • 199.232.210.172
  • 199.232.214.172
whitelisted
ocsp.pki.goog
  • 142.250.184.195
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted

Threats

PID
Process
Class
Message
1108
svchost.exe
Misc activity
ET INFO External IP Lookup Service in DNS Query (ip-info .ff .avast .com)
148
CCleaner.exe
Misc activity
ET INFO Observed External IP Lookup Domain (ip-info .ff .avast .com) in TLS SNI
Process
Message
CCleaner.exe
[2024-11-30 10:24:19.732] [error ] [settings ] [ 148: 1388] [6000C4: 356] Failed to get program directory Exception: Unable to determine program folder of product 'piriform-cc'! Code: 0x000000c0 (192)
CCleaner.exe
Failed to open log file 'C:\Program Files\CCleaner'
CCleaner.exe
OnLanguage - en
CCleaner.exe
[2024-11-30 10:24:21.388] [error ] [settings ] [ 148: 3372] [9434E9: 359] Failed to get program directory Exception: Unable to determine program folder of product 'piriform-cc'! Code: 0x000000c0 (192)
CCleaner.exe
[2024-11-30 10:24:21.435] [error ] [Burger ] [ 148: 3372] [FDA25D: 244] [23.1.806.0] [BurgerReporter.cpp] [244] asw::standalone_svc::BurgerReporter::BurgerSwitch: Could not read property BURGER_SETTINGS_PANCAKE_HOSTNAME (0x00000003)
CCleaner.exe
[2024-11-30 10:24:21.435] [error ] [Burger ] [ 148: 3372] [FDA25D: 244] [23.1.806.0] [BurgerReporter.cpp] [244] asw::standalone_svc::BurgerReporter::BurgerSwitch: Could not read property BURGER_SETTINGS_PANCAKE_HOSTNAME (0x00000003)
CCleaner.exe
startCheckingLicense()
CCleaner.exe
OnLanguage - en
CCleaner.exe
OnLanguage - en
CCleaner.exe
OnLanguage - en