File name:

b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0

Full analysis: https://app.any.run/tasks/5859993b-d943-48fc-bdf9-f5433cbf8be9
Verdict: Malicious activity
Analysis date: April 29, 2025, 17:16:13
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
tofsee
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:

349B254B9984899CB4F676750923497E

SHA1:

6E4BAA3771804B6CA02D7222DF4D8640C399C827

SHA256:

B78E7C41E86CC38B466BB869086C918643E95F9C6B4C08B563C7349F7DF6E2B0

SSDEEP:

49152:dJT1ZD5hHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:dhF

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

      • b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe (PID: 4776)
    • TOFSEE has been detected (YARA)

      • svchost.exe (PID: 6988)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe (PID: 4776)
    • Reads security settings of Internet Explorer

      • b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe (PID: 4776)
    • Executes application which crashes

      • b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe (PID: 4776)
      • yummjyxl.exe (PID: 5556)
    • Detected use of alternative data streams (AltDS)

      • svchost.exe (PID: 6988)
    • Connects to SMTP port

      • svchost.exe (PID: 6988)
  • INFO

    • Create files in a temporary directory

      • b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe (PID: 4776)
    • Reads the computer name

      • b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe (PID: 4776)
      • yummjyxl.exe (PID: 5556)
    • Process checks computer location settings

      • b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe (PID: 4776)
    • Checks supported languages

      • b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe (PID: 4776)
      • yummjyxl.exe (PID: 5556)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | InstallShield setup (36.8)
.exe | Win32 Executable MS Visual C++ (generic) (26.6)
.exe | Win64 Executable (generic) (23.6)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:02:17 01:46:51+00:00
ImageFileCharacteristics: No relocs, Executable, 32-bit
PEType: PE32
LinkerVersion: 9
CodeSize: 53248
InitializedDataSize: 5763072
UninitializedDataSize: -
EntryPoint: 0x313e
OSVersion: 5
ImageVersion: -
SubsystemVersion: 5
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.1
ProductVersionNumber: 1.0.0.1
FileFlagsMask: 0x007f
FileFlags: (none)
FileOS: Unknown (0x40324)
ObjectFileType: Static library
FileSubtype: -
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
139
Monitored processes
10
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe sppextcomobj.exe no specs slui.exe no specs wusa.exe no specs wusa.exe yummjyxl.exe werfault.exe no specs #TOFSEE svchost.exe werfault.exe no specs svchost.exe

Process information

PID
CMD
Path
Indicators
Parent process
1228C:\WINDOWS\SysWOW64\WerFault.exe -u -p 4776 -s 772C:\Windows\SysWOW64\WerFault.exeb78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.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\msvcrt.dll
c:\windows\syswow64\combase.dll
2196C:\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
2800"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.exeSppExtComObj.Exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Activation Client
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.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\bcrypt.dll
c:\windows\system32\user32.dll
3896"C:\Windows\System32\wusa.exe" C:\Windows\SysWOW64\wusa.exeb78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Update Standalone Installer
Exit code:
3221226540
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\wusa.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
4776"C:\Users\admin\AppData\Local\Temp\b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe" C:\Users\admin\AppData\Local\Temp\b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221225477
Modules
Images
c:\users\admin\appdata\local\temp\b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.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
5556"C:\Users\admin\yummjyxl.exe" /d"C:\Users\admin\AppData\Local\Temp\b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe" /e550302100000007FC:\Users\admin\yummjyxl.exe
b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221225477
Modules
Images
c:\users\admin\yummjyxl.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
6272"C:\WINDOWS\SysWOW64\wusa.exe" C:\Windows\SysWOW64\wusa.exe
b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Update Standalone Installer
Exit code:
0
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\wusa.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
6388C:\WINDOWS\SysWOW64\WerFault.exe -u -p 5556 -s 480C:\Windows\SysWOW64\WerFault.exeyummjyxl.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.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\msvcrt.dll
c:\windows\syswow64\combase.dll
6476C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exesvchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
KMS Connection Broker
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\sppextcomobj.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\bcrypt.dll
c:\windows\system32\oleaut32.dll
6988svchost.exeC:\Windows\SysWOW64\svchost.exe
yummjyxl.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\apphelp.dll
c:\windows\syswow64\ws2_32.dll
Total events
1 581
Read events
1 580
Write events
1
Delete events
0

Modification events

(PID) Process:(4776) b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:efondphy
Value:
"C:\Users\admin\yummjyxl.exe"
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
4776b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exeC:\Users\admin\AppData\Local\Temp\ppqbwxvd.exeexecutable
MD5:41A1EA9B474D2D9EF150A92475D2D9F1
SHA256:6146B5D44396025C827555F0B618BBF0EC39A106CF9F18DB4CC102851B592CA5
4776b78e7c41e86cc38b466bb869086c918643e95f9c6b4c08b563c7349f7df6e2b0.exeC:\Users\admin\yummjyxl.exeexecutable
MD5:9994C4BDA897755D4BAE9195BFEFC51E
SHA256:C70313470100B71ED839630506900DA88967046797F873EC40FA810BFE6F948D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
25
DNS requests
20
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
GET
200
23.216.77.22:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
6544
svchost.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
5324
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
5324
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.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
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
23.216.77.22:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4
System
192.168.100.255:138
whitelisted
3216
svchost.exe
172.211.123.248:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6988
svchost.exe
13.107.246.59:80
microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6988
svchost.exe
52.101.9.11:25
microsoft-com.mail.protection.outlook.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6544
svchost.exe
40.126.31.3:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6544
svchost.exe
184.30.131.245:80
ocsp.digicert.com
AKAMAI-AS
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 40.127.240.158
whitelisted
crl.microsoft.com
  • 23.216.77.22
  • 23.216.77.19
  • 23.216.77.10
  • 23.216.77.21
  • 23.216.77.9
  • 23.216.77.8
  • 23.216.77.18
  • 23.216.77.27
  • 23.216.77.23
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
google.com
  • 142.250.184.238
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted
microsoft.com
  • 13.107.246.59
whitelisted
microsoft-com.mail.protection.outlook.com
  • 52.101.9.11
  • 52.101.41.58
  • 52.101.11.3
  • 52.101.194.15
whitelisted
login.live.com
  • 40.126.31.3
  • 40.126.31.71
  • 40.126.31.131
  • 20.190.159.129
  • 40.126.31.0
  • 20.190.159.130
  • 40.126.31.128
  • 20.190.159.73
whitelisted
ocsp.digicert.com
  • 184.30.131.245
whitelisted
yahoo.com
whitelisted

Threats

No threats detected
No debug info