cobaltstrike | b9321c27be4295c15d7f92fafc20d7ccac5f21204b79ebc2fed583dda0197cf9

user interaction
yes
max time kernel
807s
max time network
750s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260617-ja
resource tags

arch:x64arch:x86image:win11ltsc2024-20260617-jalocale:ja-jpos:windows11-ltsc_2024-x64systemwindows
submitted
19/06/2026, 04:32

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General

Target
cobaltstrike_shellcode.exe
Size 219KB
Sample260619-e5zwmsfs2v
SHA256 b9321c27be4295c15d7f92fafc20d7ccac5f21204b79ebc2fed583dda0197cf9
MD5 24d99ba5654cdf31141c66fd9417b7e0
SHA1 0e06aedf5b25cf248131c9eff5a331f4bb1fcb67
SHA512 351e8c078595d1c829385d0bfbeb2560dd62fa063645e40593ba63af8862fc90bbd24438aebb0fb952cb78bf80b91ea35dbabdc91d760fd69c7f188e45075872
SSDEEP 6144:c8X2sNEFy+HVJbny+lgzgeFgUQI9aiGynMOyX:T3NEFy8VJO+GTFgUzaL6MO+
TLSH
T16624CE7F6272415DCD82933955C180BE8C9B9C835FD0A324DDC0A0E47F65E7AA68EBC6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor 1359593325 discovery cobaltstrike trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

1359593325

http://120.79.181.138:443/pixel

Attributes

access_type
512
beacon_type
2048
host
120.79.181.138,/pixel
http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
http_method1
GET
http_method2
POST
polling_time
60000
port_number
443
sc_process32
%windir%\syswow64\rundll32.exe
sc_process64
%windir%\sysnative\rundll32.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC5q7MB/tbUnzXSL7Zy+R/NrXBsv04yMfdAg46oqaulvNUOMYgsS/FPmKLLTw6knGLWSaH9+NVc0VkhsAjKhzjWIlVJqCoTZYIVu8CKnF/rDxYpmYjmqqd8EBIIxq3QuVWd6z7xYx7AZh1RDlecuKLPtX3fn6p9Wud81SEPl0wlyQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
4096
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/submit.php
user_agent
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)
watermark
1359593325

Signatures

Family: Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Panther\UnattendGC\setupact.log	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setuperr.log	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagerr.xml	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagwrn.xml	UserOOBEBroker.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cobaltstrike_shellcode.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FileCoAuth.exe

C:\Users\Admin\AppData\Local\Temp\cobaltstrike_shellcode.exe
"C:\Users\Admin\AppData\Local\Temp\cobaltstrike_shellcode.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:6440

C:\Windows\System32\oobe\UserOOBEBroker.exe
C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
1⤵
- Drops file in Windows directory
PID:3064

C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
1⤵
- System Location Discovery: System Language Discovery
PID:3164

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:6524

C:\Windows\System32\SecurityHealthHost.exe
\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
1⤵
PID:1056

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/6440-0-0x0000000000400000-0x000000000043C300-memory.dmp

Download

memory/6440-1-0x0000000000890000-0x00000000008CD000-memory.dmp

Download

memory/6440-2-0x0000000000400000-0x000000000043C300-memory.dmp

Download

memory/6440-3-0x0000000000890000-0x00000000008CD000-memory.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads