File name:

workd.exe

Full analysis: https://app.any.run/tasks/60dd7c5c-b542-4036-b444-3dc679e9097d
Verdict: Malicious activity
Threats:

Pulsar RAT is a derivative of Quasar RAT with extensive functionality including keylogging, cryptocurrency wallet clipping, credential theft, file management, remote shell execution, and data exfiltration capabilities. As a modular, open-source remote administration tool designed for Windows systems, Pulsar introduces significant enhancements over its predecessor.

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Analysis date: April 07, 2026, 14:50:51
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
auto-reg
crypto-regex
pulsar
rat
api-base64
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

B303F91456655903A82D373FCF613410

SHA1:

AC4487213D0F36E6FDB50F1FFCDC5E37741365CD

SHA256:

EF38551883BC013E2A0AB984AFA01C2CEDAB5ABE9C8E67449C9039BFF74E96F7

SSDEEP:

98304:SnaiOqiGVdLEFX1/dCpcygxswT4OP19cyFbLn40bMkdLDIW2gFyJ8K7SWYaoVJ3R:12

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

      • workd.exe (PID: 7368)

    • PULSAR has been detected (YARA)

      • workd.exe (PID: 4112)
      • workd.exe (PID: 7368)

  • SUSPICIOUS

    • Found regular expressions for crypto-addresses (YARA)

      • workd.exe (PID: 7368)
      • workd.exe (PID: 4112)

  • INFO

    • Launching a file from a Registry key

      • workd.exe (PID: 7368)

    • Checks supported languages

      • workd.exe (PID: 7368)
      • workd.exe (PID: 4112)

    • Reads Environment values

      • workd.exe (PID: 4112)
      • workd.exe (PID: 7368)

    • There is functionality for taking screenshot (YARA)

      • workd.exe (PID: 7368)
      • workd.exe (PID: 4112)

    • Potential access to remote process (Base64 Encoded 'OpenProcess')

      • workd.exe (PID: 4112)
      • workd.exe (PID: 7368)

    • Potential remote process memory reading (Base64 Encoded 'ReadProcessMemory')

      • workd.exe (PID: 7368)
      • workd.exe (PID: 4112)

    • Reads the computer name

      • workd.exe (PID: 7368)
      • workd.exe (PID: 4112)

    • Reads the machine GUID from the registry

      • workd.exe (PID: 4112)
      • workd.exe (PID: 7368)

    • Manual execution by a user

      • workd.exe (PID: 4112)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2050:07:03 06:03:12+00:00
ImageFileCharacteristics: Executable, Large address aware, 32-bit
PEType: PE32
LinkerVersion: 48
CodeSize: 2705920
InitializedDataSize: 3584
UninitializedDataSize: -
EntryPoint: 0x2968fe
OSVersion: 4
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 1.6.6.0
ProductVersionNumber: 1.6.6.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: -
FileVersion: 1.6.6
InternalName: Client.exe
LegalCopyright: -
LegalTrademarks: -
OriginalFileName: Client.exe
ProductName: -
ProductVersion: 1.6.6
AssemblyVersion: 1.6.6.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
136
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #PULSAR workd.exe slui.exe #PULSAR workd.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
4112"C:\Users\admin\Desktop\workd.exe"C:\Users\admin\Desktop\workd.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.6.6
Modules
Images
c:\users\admin\desktop\workd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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
6432C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Exit code:
0
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
7368"C:\Users\admin\Desktop\workd.exe" C:\Users\admin\Desktop\workd.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.6.6
Modules
Images
c:\users\admin\desktop\workd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
4 397
Read events
4 395
Write events
2
Delete events
0

Modification events

(PID) Process:(6432) slui.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\3d\52C64B7E
Operation:writeName:@%SystemRoot%\System32\sppcomapi.dll,-3200
Value:
Software Licensing
(PID) Process:(7368) workd.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:svchost.exe
Value:
"C:\Users\admin\Desktop\workd.exe"
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
63
TCP/UDP connections
49
DNS requests
23
Threats
7

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5276
MoUsoCoreWorker.exe
GET
304
51.104.136.2:443
https://settings-win.data.microsoft.com/settings/v3.0/wsd/muse?ProcessorClockSpeed=3094&FlightIds=&UpdateOfferedDays=4294967295&BranchReadinessLevel=CB&OEMManufacturerName=DELL&IsCloudDomainJoined=0&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&sku=48&ActivationChannel=Retail&AttrDataVer=186&IsMDMEnrolled=0&ProcessorCores=6&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&TotalPhysicalRAM=6144&PrimaryDiskType=4294967295&FlightingBranchName=&ChassisTypeId=1&OEMModelNumber=DELL&SystemVolumeTotalCapacity=260281&sampleId=95271487&deviceClass=Windows.Desktop&App=muse&DisableDualScan=0&AppVer=10.0&OEMSubModel=J5CR&locale=en-US&IsAlwaysOnAlwaysConnectedCapable=0&ms=0&DefaultUserRegion=244&UpdateServiceUrl=http%3A%2F%2Fneverupdatewindows10.com&osVer=10.0.19045.4046.amd64fre.vb_release.191206-1406&os=windows&deviceId=s%3ABAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&DeferQualityUpdatePeriodInDays=0&ring=Retail&DeferFeatureUpdatePeriodInDays=30
US
—
—
whitelisted
6076
svchost.exe
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
US
binary
814 b
whitelisted
6076
svchost.exe
GET
200
23.216.77.28:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
NL
binary
825 b
whitelisted
—
—
POST
400
20.190.159.0:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
binary
203 b
whitelisted
—
—
POST
400
20.190.159.0:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
binary
203 b
whitelisted
5276
MoUsoCoreWorker.exe
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
US
binary
814 b
whitelisted
5316
svchost.exe
POST
200
40.126.31.67:443
https://login.live.com/RST2.srf
US
binary
1.24 Kb
whitelisted
5316
svchost.exe
POST
200
20.190.159.0:443
https://login.live.com/RST2.srf
US
binary
1.24 Kb
whitelisted
5316
svchost.exe
POST
400
40.126.31.67:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
binary
203 b
whitelisted
—
—
POST
400
20.190.159.0:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
binary
203 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
6076
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
4
System
192.168.100.255:137
—
Not routed
—
whitelisted
5276
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
7988
slui.exe
48.192.1.65:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
4
System
192.168.100.255:138
—
Not routed
—
whitelisted
6076
svchost.exe
23.216.77.28:80
crl.microsoft.com
AKAMAI-ASN1
NL
whitelisted
6076
svchost.exe
88.221.169.152:80
www.microsoft.com
AKAMAI-AS
US
whitelisted
5276
MoUsoCoreWorker.exe
88.221.169.152:80
www.microsoft.com
AKAMAI-AS
US
whitelisted
5276
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6076
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 4.231.128.59
  • 20.73.194.208
whitelisted
activation-v2.sls.microsoft.com
  • 48.192.1.65
whitelisted
google.com
  • 142.250.186.78
whitelisted
crl.microsoft.com
  • 23.216.77.28
  • 23.216.77.6
whitelisted
www.microsoft.com
  • 88.221.169.152
whitelisted
login.live.com
  • 40.126.31.67
  • 40.126.31.129
  • 40.126.31.0
  • 40.126.31.131
  • 20.190.159.130
  • 20.190.159.128
  • 20.190.159.4
  • 20.190.159.2
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted
fvqro5kllu.localto.net
  • 158.178.201.63
unknown
slscr.update.microsoft.com
  • 135.233.95.144
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 135.233.95.135
whitelisted

Threats

PID
Process
Class
Message
5276
MoUsoCoreWorker.exe
Unknown Traffic
ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW)
2232
svchost.exe
Misc activity
ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net)
2232
svchost.exe
Misc activity
ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net)
2232
svchost.exe
Misc activity
ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net)
2232
svchost.exe
Misc activity
ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net)
2232
svchost.exe
Misc activity
ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net)
—
—
Misc activity
ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net)
No debug info
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Reports
workd.exe