cobaltstrike | 8c07ade05b23afd0e5af2685527a4a3562c13c6443c1c80db2f8cf83855518ce

General

Target

????.docx.exe
Size

1.4MB
MD5

30f2444fe84adfbf39c60bb0c8e6d7d1
SHA1

3ec347b49517b1d165a3797db9816f78652e8988
SHA256

288084c0dc8bd71f5a09bda594f4f2f6f18271eca4fa459dcfc771a19dd46a25
SHA512

0b33a9cf6c820025bb61c7cf103e24a54c2a6326cd0f54cbc41d110e6be5e2a35b6348886964165b38f688c7f7d7a2a54cd410d784a46ec2619e32c28a210855

Score

10^/10

cobaltstrike 0 305419896 backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://42.249.219.112:443/push

http://117.139.142.248:443/__utm.gif

http://58.221.30.69:443/dot.gif

http://42.249.219.112:443/dot.gif

http://117.139.142.248:443/g.pixel

http://58.221.30.69:443/j.ad

Attributes

access_type
512
beacon_type
2048
host
42.249.219.112,/push,117.139.142.248,/__utm.gif,58.221.30.69,/dot.gif
http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_method1
GET
http_method2
POST
maxdns
255
polling_time
60000
port_number
443
sc_process32
%windir%\syswow64\rundll32.exe
sc_process64
%windir%\sysnative\rundll32.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCm6dDNosecwYifTVCVelinAuAlJwa3XU3XMOkS290iPmPmofjMd/+EOcoCE8d7xvj4mNtcSWHspfOAMs/dTabxOJDIqvrJQHVNimp3j1kB36AU92BokpBAlZ+i5NrOaQE1XC3RV2dU2e1PewC+QwIOsCvU7ljzvySxMN1oHGi0DQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
4096
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/submit.php
user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.2; InfoPath.3)
watermark
305419896

Extracted

Family

cobaltstrike

Botnet

0

Attributes

watermark
0

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Suspicious use of SetThreadContext 1 IoCs

Processes:

____.docx.exe

description pid process target process

PID 1928 set thread context of 560 1928 ____.docx.exe rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1928 set thread context of 560	1928	____.docx.exe	rundll32.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

____.docx.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	____.docx.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	____.docx.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

____.docx.exe

pid process

1928 ____.docx.exe

pid	process
1928	____.docx.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

____.docx.exe

description	pid	process	target process
PID 1928 wrote to memory of 1372	1928	____.docx.exe	Explorer.EXE
PID 1928 wrote to memory of 560	1928	____.docx.exe	rundll32.exe
PID 1928 wrote to memory of 560	1928	____.docx.exe	rundll32.exe
PID 1928 wrote to memory of 560	1928	____.docx.exe	rundll32.exe
PID 1928 wrote to memory of 560	1928	____.docx.exe	rundll32.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1372

C:\Users\Admin\AppData\Local\Temp\____.docx.exe
"C:\Users\Admin\AppData\Local\Temp\____.docx.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe
3⤵
PID:560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/560-63-0x00000000000E0000-0x000000000013C000-memory.dmp

Filesize
368KB

Download
memory/560-69-0x00000000001D0000-0x0000000000231000-memory.dmp

Filesize
388KB

Download
memory/560-68-0x00000000001D0000-0x0000000000231000-memory.dmp

Filesize
388KB

Download
memory/560-67-0x00000000000E0000-mapping.dmp

Download
memory/560-65-0x00000000000E0000-0x000000000013C000-memory.dmp

Filesize
368KB

Download
memory/1372-61-0x0000000002670000-0x00000000026BC000-memory.dmp

Filesize
304KB

Download
memory/1372-62-0x0000000002670000-0x00000000026BC000-memory.dmp

Filesize
304KB

Download
memory/1372-60-0x0000000002140000-0x0000000002180000-memory.dmp

Filesize
256KB

Download
memory/1372-58-0x0000000002140000-0x0000000002180000-memory.dmp

Filesize
256KB

Download
memory/1928-54-0x000007FEFC061000-0x000007FEFC063000-memory.dmp

Filesize
8KB

Download
memory/1928-57-0x0000000001E30000-0x0000000001E7C000-memory.dmp

Filesize
304KB

Download
memory/1928-56-0x0000000001E30000-0x0000000001E7C000-memory.dmp

Filesize
304KB

Download
memory/1928-55-0x0000000001B90000-0x0000000001BD0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads