File name:

42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe

Full analysis: https://app.any.run/tasks/cf6d17db-4a5c-43dd-a025-8a4f1751e856
Verdict: Malicious activity
Threats:

Stealc is a stealer malware that targets victims’ sensitive data, which it exfiltrates from browsers, messaging apps, and other software. The malware is equipped with advanced features, including fingerprinting, control panel, evasion mechanisms, string obfuscation, etc. Stealc establishes persistence and communicates with its C2 server through HTTP POST requests.

Analysis date: March 21, 2025, 19:58:34
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
stealc
stealer
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 7 sections
MD5:

4191074820CD73A0F0EDD8C9393B65D3

SHA1:

F75A73EC023FB70E5E983F7D0B76AD043899D420

SHA256:

42F69933B009301FD412E6B58E28B4BD1D171A8E2673BF1B1C6AC890965E7A50

SSDEEP:

98304:DitG0of/UvRaDjagiflTXdClZK9ln2gaCNLv0jEVQqju/SxvmRcT1Z2Ioew4xauv:H1V

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

    • StealC has been detected

      • 42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe (PID: 5408)
  • SUSPICIOUS

    • Reads the BIOS version

      • 42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe (PID: 5408)
    • Windows Defender mutex has been found

      • 42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe (PID: 5408)
  • INFO

    • Checks proxy server information

      • BackgroundTransferHost.exe (PID: 4688)
    • Checks supported languages

      • 42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe (PID: 5408)
    • Reads the computer name

      • 42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe (PID: 5408)
    • Creates files or folders in the user directory

      • BackgroundTransferHost.exe (PID: 4688)
    • Reads security settings of Internet Explorer

      • BackgroundTransferHost.exe (PID: 3240)
      • BackgroundTransferHost.exe (PID: 6872)
      • BackgroundTransferHost.exe (PID: 4120)
      • BackgroundTransferHost.exe (PID: 4688)
      • BackgroundTransferHost.exe (PID: 5244)
    • Reads the software policy settings

      • BackgroundTransferHost.exe (PID: 4688)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.dll | Win32 Dynamic Link Library (generic) (43.5)
.exe | Win32 Executable (generic) (29.8)
.exe | Generic Win/DOS Executable (13.2)
.exe | DOS Executable Generic (13.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:11:09 20:17:19+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 10
CodeSize: 169472
InitializedDataSize: 74752
UninitializedDataSize: -
EntryPoint: 0x698000
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
140
Monitored processes
8
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #STEALC 42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe no specs sppextcomobj.exe no specs slui.exe no specs backgroundtransferhost.exe no specs backgroundtransferhost.exe backgroundtransferhost.exe no specs backgroundtransferhost.exe no specs backgroundtransferhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3240"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1C:\Windows\System32\BackgroundTransferHost.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Download/Upload Host
Exit code:
1
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll
4120"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1C:\Windows\System32\BackgroundTransferHost.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Download/Upload Host
Exit code:
1
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll
4688"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1C:\Windows\System32\BackgroundTransferHost.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Download/Upload Host
Exit code:
1
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll
4756C:\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
5244"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1C:\Windows\System32\BackgroundTransferHost.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Download/Upload Host
Exit code:
1
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll
5408"C:\Users\admin\AppData\Local\Temp\42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe" C:\Users\admin\AppData\Local\Temp\42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\42f69933b009301fd412e6b58e28b4bd1d171a8e2673bf1b1c6ac890965e7a50.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\user32.dll
5936"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
6872"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1C:\Windows\System32\BackgroundTransferHost.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Download/Upload Host
Exit code:
1
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll
Total events
1 717
Read events
1 702
Write events
15
Delete events
0

Modification events

(PID) Process:(3240) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3240) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3240) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(4688) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(4688) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(4688) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(4120) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(4120) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(4120) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(5244) BackgroundTransferHost.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
Executable files
0
Suspicious files
5
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
4688BackgroundTransferHost.exeC:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\99bb950f-1a38-4b5a-baa2-4628540dafb8.down_data
MD5:
SHA256:
4688BackgroundTransferHost.exeC:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\99bb950f-1a38-4b5a-baa2-4628540dafb8.43dc2c8a-b169-45b2-b55e-4adf92d82700.down_metabinary
MD5:645C13D91C2C539040E898F32556DF20
SHA256:9DEDAC024E726DB2080CB135E5324594B85D11B95A48F52508E12F5F9E0318B4
4688BackgroundTransferHost.exeC:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\23652c7f-30cf-4c21-81e9-9c5c79e0646a.43dc2c8a-b169-45b2-b55e-4adf92d82700.down_metabinary
MD5:645C13D91C2C539040E898F32556DF20
SHA256:9DEDAC024E726DB2080CB135E5324594B85D11B95A48F52508E12F5F9E0318B4
4688BackgroundTransferHost.exeC:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\23652c7f-30cf-4c21-81e9-9c5c79e0646a.up_meta_securebinary
MD5:A19A9A77F5F5A0231B53573160964404
SHA256:4A3A3492B87AEB09A3A480317471B96B2436034723EA5FAC0475FDDA31C70E69
4688BackgroundTransferHost.exeC:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\MetaData\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10Dbinary
MD5:9C16FB334C710173E916EF57A7A59356
SHA256:F6FC698A988D59C195A634B4BD7DB660946D9F5896CCF492663C5BEF66DFC76A
4688BackgroundTransferHost.exeC:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\Content\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10Dbinary
MD5:B97E400964900BC2D8274B887D5AA1F4
SHA256:9EE0020FE1FECDEEE0309A80F5EB6BC02AF0793E11C4A230C7931D4C6BC662ED
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
26
DNS requests
16
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
GET
200
23.48.23.181:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
6544
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
6512
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
4688
BackgroundTransferHost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
4180
backgroundTaskHost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
whitelisted
6512
SIHClient.exe
GET
200
23.219.150.101:80
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
192.168.100.255:137
whitelisted
2104
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
23.48.23.181:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4
System
192.168.100.255:138
whitelisted
3216
svchost.exe
20.198.162.78:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
SG
whitelisted
6544
svchost.exe
40.126.31.0:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6544
svchost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
4180
backgroundTaskHost.exe
20.103.156.88:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2112
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 4.231.128.59
  • 40.127.240.158
  • 51.124.78.146
whitelisted
google.com
  • 142.250.186.110
whitelisted
crl.microsoft.com
  • 23.48.23.181
  • 23.48.23.177
  • 23.48.23.164
  • 23.48.23.166
  • 23.48.23.169
  • 23.48.23.168
  • 23.48.23.176
  • 23.48.23.173
  • 23.48.23.178
whitelisted
client.wns.windows.com
  • 20.198.162.78
whitelisted
login.live.com
  • 40.126.31.0
  • 20.190.159.64
  • 40.126.31.3
  • 20.190.159.71
  • 40.126.31.128
  • 20.190.159.0
  • 20.190.159.130
  • 40.126.31.73
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
arc.msn.com
  • 20.103.156.88
whitelisted
www.bing.com
  • 92.123.104.31
  • 92.123.104.38
  • 92.123.104.32
  • 92.123.104.34
  • 92.123.104.33
  • 92.123.104.28
whitelisted
slscr.update.microsoft.com
  • 172.202.163.200
whitelisted
www.microsoft.com
  • 23.219.150.101
whitelisted

Threats

No threats detected
No debug info