File name:

CryptoWall.exe

Full analysis: https://app.any.run/tasks/1d7e8ca7-bac0-40ce-99d6-87287601a2f1
Verdict: Malicious activity
Analysis date: May 16, 2025, 16:26:05
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
evasion
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:

919034C8EFB9678F96B47A20FA6199F2

SHA1:

747070C74D0400CFFEB28FBEA17B64297F14CFBD

SHA256:

E036D68B8F8B7AFC6C8B6252876E1E290F11A26D4AD18AC6F310662845B2C734

SSDEEP:

3072:g+MaP6ghoGAi6WCqGcnzlLBmX96Gep2pr9anUUxYZ5axIVmmSnEv98NeyPpBSBDS:lRoqoY7AmRliBAF

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

    • Changes the autorun value in the registry

      • explorer.exe (PID: 5200)

    • Create files in the Startup directory

      • explorer.exe (PID: 5200)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • explorer.exe (PID: 5200)

    • Checks for external IP

      • svchost.exe (PID: 6724)

    • Connects to unusual port

      • svchost.exe (PID: 6724)

  • INFO

    • Checks supported languages

      • CryptoWall.exe (PID: 6668)

    • Reads the machine GUID from the registry

      • CryptoWall.exe (PID: 6668)

    • Creates files or folders in the user directory

      • explorer.exe (PID: 5200)

    • Reads security settings of Internet Explorer

      • svchost.exe (PID: 6724)

    • Checks proxy server information

      • svchost.exe (PID: 6724)
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: 2015:01:09 19:13:02+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 12
CodeSize: 91136
InitializedDataSize: 44544
UninitializedDataSize: -
EntryPoint: 0x170b0
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
130
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start cryptowall.exe no specs explorer.exe svchost.exe sppextcomobj.exe no specs slui.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
976C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exe—svchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
KMS Connection Broker
Version:
10.0.19041.3996 (WinBuild.160101.0800)
5200"C:\WINDOWS\syswow64\explorer.exe"C:\Windows\SysWOW64\explorer.exe
CryptoWall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
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
6668"C:\Users\admin\AppData\Local\Temp\CryptoWall.exe" C:\Users\admin\AppData\Local\Temp\CryptoWall.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\cryptowall.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\advapi32.dll
6724-k netsvcsC:\Windows\SysWOW64\svchost.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\svchost.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\sechost.dll
c:\windows\syswow64\rpcrt4.dll
6768"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEventC:\Windows\System32\slui.exe—SppExtComObj.Exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Activation Client
Version:
10.0.19041.1 (WinBuild.160101.0800)
Total events
714
Read events
707
Write events
7
Delete events
0

Modification events

(PID) Process:(5200) explorer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:81dfcd3
Value:
C:\81dfcd3e\81dfcd3e.exe
(PID) Process:(5200) explorer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:*1dfcd3
Value:
C:\81dfcd3e\81dfcd3e.exe
(PID) Process:(5200) explorer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:81dfcd3e
Value:
C:\Users\admin\AppData\Roaming\81dfcd3e.exe
(PID) Process:(5200) explorer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:*1dfcd3e
Value:
C:\Users\admin\AppData\Roaming\81dfcd3e.exe
(PID) Process:(6724) svchost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(6724) svchost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(6724) svchost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
5200explorer.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\81dfcd3e.exeexecutable
MD5:919034C8EFB9678F96B47A20FA6199F2
SHA256:E036D68B8F8B7AFC6C8B6252876E1E290F11A26D4AD18AC6F310662845B2C734
5200explorer.exeC:\81dfcd3e\81dfcd3e.exeexecutable
MD5:919034C8EFB9678F96B47A20FA6199F2
SHA256:E036D68B8F8B7AFC6C8B6252876E1E290F11A26D4AD18AC6F310662845B2C734
5200explorer.exeC:\Users\admin\AppData\Roaming\81dfcd3e.exeexecutable
MD5:919034C8EFB9678F96B47A20FA6199F2
SHA256:E036D68B8F8B7AFC6C8B6252876E1E290F11A26D4AD18AC6F310662845B2C734
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
39
DNS requests
15
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6724
svchost.exe
GET
404
34.160.111.145:80
http://myexternalip.com/raw
unknown
—
—
shared
6724
svchost.exe
GET
404
188.165.164.184:80
http://ip-addr.es/
unknown
—
—
shared
6724
svchost.exe
GET
404
184.106.112.172:80
http://curlmyip.com/
unknown
—
—
malicious
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
—
—
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2104
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
6724
svchost.exe
188.165.164.184:80
ip-addr.es
OVH SAS
FR
shared
6724
svchost.exe
34.160.111.145:80
myexternalip.com
GOOGLE
US
shared
6724
svchost.exe
184.106.112.172:80
curlmyip.com
RACKSPACE
US
malicious
6724
svchost.exe
94.247.28.156:8081
—
CTS Computers and Telecommunications Systems SAS
FR
unknown
3216
svchost.exe
172.211.123.248:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6544
svchost.exe
40.126.31.1:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.186.142
whitelisted
ip-addr.es
  • 188.165.164.184
shared
myexternalip.com
  • 34.160.111.145
shared
curlmyip.com
  • 184.106.112.172
malicious
settings-win.data.microsoft.com
  • 20.73.194.208
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted
login.live.com
  • 40.126.31.1
  • 40.126.31.67
  • 20.190.159.64
  • 40.126.31.2
  • 20.190.159.73
  • 40.126.31.69
  • 20.190.159.71
  • 20.190.159.75
whitelisted
slscr.update.microsoft.com
  • 4.245.163.56
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 52.165.164.15
  • 2603:1030:c02:2::284
whitelisted
15.164.165.52.in-addr.arpa
  • —
unknown

Threats

PID
Process
Class
Message
6724
svchost.exe
Device Retrieving External IP Address Detected
ET INFO HTTP Request for External IP Check (ip-addr .es)
6724
svchost.exe
Device Retrieving External IP Address Detected
ET INFO Possible IP Check curlmyip.com
6724
svchost.exe
Device Retrieving External IP Address Detected
ET INFO External IP Check myexternalip.com
No debug info
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Reports
CryptoWall.exe