File name:

cs-windows.exe

Full analysis: https://app.any.run/tasks/d76b5c70-7005-4f43-8505-9a98b6096a59
Verdict: Malicious activity
Threats:

Cobalt Strike is a legitimate penetration software toolkit developed by Forta. But its cracked versions are widely adopted by bad actors, who use it as a C2 system of choice for targeted attacks.

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Analysis date: August 20, 2024, 07:53:07
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
cobaltstrike
Indicators:
MIME: application/x-dosexec
File info: PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows
MD5:

A642FED2071B39FAE22B43C883577926

SHA1:

65A05B586391051AF4A69A7AC933ECB0376FFB8A

SHA256:

67E8CCE4FF8AC86FB03839647FD2C28D566122D66F52E4C2EB57959EF4D3BD93

SSDEEP:

6144:m4tWsCVdz5JOFKLv69z0UFsQWmXKPJIDh7VVY6enX7boYumIewmf25jEXRb1UF/s:mK1CVdXoKLvgz0DsoIo/k

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

    • COBALTSTRIKE has been detected (YARA)

      • cs-windows.exe (PID: 6568)

  • SUSPICIOUS

    • Drops the executable file immediately after the start

      • cs-windows.exe (PID: 6568)

    • Reads security settings of Internet Explorer

      • cs-windows.exe (PID: 6568)

  • INFO

    • Reads the machine GUID from the registry

      • cs-windows.exe (PID: 6568)

    • Checks proxy server information

      • cs-windows.exe (PID: 6568)

    • Reads the computer name

      • cs-windows.exe (PID: 6568)

    • Checks supported languages

      • cs-windows.exe (PID: 6568)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

CobalStrike

(PID) Process(6568) cs-windows.exe
C2 (1)192.168.1.5/visit.js
BeaconTypeHTTP
Port3334
SleepTime60000
MaxGetSize1048576
Jitter0
PublicKey-----BEGIN PUBLIC KEY----- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCYculBeZmrbMS1tUHgTa52vQn/ jGzbJuxK3983bRJiS0d0xvEEpjfJ2NEtptZBL9yhhf8IIwbMBDqJj4fuVvUsHrQ2 6Zkxv0KrEuuIo60BUZ43Fcvi1VF555t4NL1wMOMPoz9NcxpSJ1Z+Am4vlaGTSg/F xx6/0/Mh+UQMcZYvOwIDAQAB -----END PUBLIC KEY-----
DNS_strategyrandom
DNS_strategy_rotate_seconds-1
DNS_strategy_fail_x-1
DNS_strategy_fail_seconds-1
SpawnTo00000000000000000000000000000000
Spawnto_x86%windir%\syswow64\rundll32.exe
Spawnto_x64%windir%\sysnative\rundll32.exe
CryptoScheme0
HttpGet_VerbGET
HttpPost_VerbPOST
HttpPostChunk0
Watermark426352781
bStageCleanupFalse
bCFGCautionFalse
UserAgentMozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; MASAJS)
HttpPostUri/submit.php
HttpGet_Metadata
SessionId (2)base64
header: Cookie
HttpPost_Metadata
ConstHeaders (1)Content-Type: application/octet-stream
SessionId (1)parameter: id
Output (1)print
bUsesCookies0001
Proxy_BehaviorUse direct connection
tcpFrameHeader0004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
smbFrameHeader0004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
KillDate0-0-0
bProcInject_StartRWXTrue
bProcInject_UseRWXTrue
bProcInject_MinAllocSize0
ProcInject_PrependAppend_x86000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
ProcInject_PrependAppend_x64000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
ProcInject_Stub00000000000000000000000000000000
ProcInject_AllocationMethodVirtualAllocEx
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (87.2)
.exe | Generic Win/DOS Executable (6.3)
.exe | DOS Executable Generic (6.3)

EXIF

EXE

MachineType: AMD AMD64
TimeStamp: 2020:06:09 00:17:28+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, Large address aware, No debug
PEType: PE32+
LinkerVersion: 2.22
CodeSize: 8704
InitializedDataSize: 278528
UninitializedDataSize: 3072
EntryPoint: 0x14b0
OSVersion: 4
ImageVersion: -
SubsystemVersion: 5.2
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
133
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #COBALTSTRIKE cs-windows.exe

Process information

PID
CMD
Path
Indicators
Parent process
6568"C:\Users\admin\AppData\Local\Temp\cs-windows.exe" C:\Users\admin\AppData\Local\Temp\cs-windows.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\cs-windows.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
CobalStrike
(PID) Process(6568) cs-windows.exe
C2 (1)192.168.1.5/visit.js
BeaconTypeHTTP
Port3334
SleepTime60000
MaxGetSize1048576
Jitter0
PublicKey-----BEGIN PUBLIC KEY----- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCYculBeZmrbMS1tUHgTa52vQn/ jGzbJuxK3983bRJiS0d0xvEEpjfJ2NEtptZBL9yhhf8IIwbMBDqJj4fuVvUsHrQ2 6Zkxv0KrEuuIo60BUZ43Fcvi1VF555t4NL1wMOMPoz9NcxpSJ1Z+Am4vlaGTSg/F xx6/0/Mh+UQMcZYvOwIDAQAB -----END PUBLIC KEY-----
DNS_strategyrandom
DNS_strategy_rotate_seconds-1
DNS_strategy_fail_x-1
DNS_strategy_fail_seconds-1
SpawnTo00000000000000000000000000000000
Spawnto_x86%windir%\syswow64\rundll32.exe
Spawnto_x64%windir%\sysnative\rundll32.exe
CryptoScheme0
HttpGet_VerbGET
HttpPost_VerbPOST
HttpPostChunk0
Watermark426352781
bStageCleanupFalse
bCFGCautionFalse
UserAgentMozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; MASAJS)
HttpPostUri/submit.php
HttpGet_Metadata
SessionId (2)base64
header: Cookie
HttpPost_Metadata
ConstHeaders (1)Content-Type: application/octet-stream
SessionId (1)parameter: id
Output (1)print
bUsesCookies0001
Proxy_BehaviorUse direct connection
tcpFrameHeader0004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
smbFrameHeader0004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
KillDate0-0-0
bProcInject_StartRWXTrue
bProcInject_UseRWXTrue
bProcInject_MinAllocSize0
ProcInject_PrependAppend_x86000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
ProcInject_PrependAppend_x64000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
ProcInject_Stub00000000000000000000000000000000
ProcInject_AllocationMethodVirtualAllocEx
Total events
553
Read events
553
Write events
0
Delete events
0

Modification events

No data
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
3
TCP/UDP connections
28
DNS requests
16
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6928
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
—
—
whitelisted
4132
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
6444
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
3308
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
2120
MoUsoCoreWorker.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
3384
RUXIMICS.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
192.168.100.178:49718
—
—
—
unknown
3260
svchost.exe
40.113.110.67:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4132
svchost.exe
20.190.159.68:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
4132
svchost.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
2120
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
6928
backgroundTaskHost.exe
20.103.156.88:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.73.194.208
  • 40.127.240.158
whitelisted
google.com
  • 142.250.184.238
whitelisted
client.wns.windows.com
  • 40.113.110.67
whitelisted
login.live.com
  • 20.190.159.68
  • 40.126.31.73
  • 20.190.159.75
  • 20.190.159.23
  • 20.190.159.4
  • 40.126.31.69
  • 20.190.159.64
  • 20.190.159.2
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
arc.msn.com
  • 20.103.156.88
whitelisted
slscr.update.microsoft.com
  • 20.114.59.183
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.3.187.198
whitelisted
nexusrules.officeapps.live.com
  • 52.111.243.30
whitelisted

Threats

No threats detected
No debug info
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Reports
cs-windows.exe