cobaltstrike | 3b49936520db4b5d6797a6be50a2a72a3bcb774a773eefd0daf80e2900147349

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2023 05:06

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General

Target

3b49936520db4b5d6797a6be50a2a72a3bcb774a773eefd0daf80e2900147349.exe
Size

533KB
MD5

5a282fde0b4bde067ea3d07c2f614dbc
SHA1

61e26c00871ef622a6fbcdd529c4bbfeadf90e2f
SHA256

3b49936520db4b5d6797a6be50a2a72a3bcb774a773eefd0daf80e2900147349
SHA512

897e59321e854f6cbd96d2c51cb4409032439e49d049f39ddb1d6de1cb21c2e575ca5d6d25d9682d00dad9a122e171fd1cdf4a576046b15dc4a9380a41a57a38
SSDEEP

6144:L6T8DG3+zMz4wwA191j7HawIAFZ4eN/+fA2QnCK6ViEhlDbxzJ+vuV1VGuvyCLgD:L6wi1DH19on64eN/+fp1U0JGy7z

Score

10^/10

cobaltstrike 100000 backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

http://54.238.191.171:12345/g.pixel

Attributes

access_type
512
host
54.238.191.171,/g.pixel
http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
http_method1
GET
http_method2
POST
polling_time
60000
port_number
12345
sc_process32
%windir%\syswow64\rundll32.exe
sc_process64
%windir%\sysnative\rundll32.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEBLC62ZH8vIEBKMJLFp5MED3Z1f0wqMjEGBsKb70PYmNI+GMl9Z3BJItRJ/fXioo/r8bIbPDWGxSzsQLOk/ZNEi5xaVZ4J+qUTB5ZjqqH5AUB+iyiyaX5NnxwGRSMyYLF0Vryx/YQss2P53Zg4Ve+e/072DXkjlOkSpegjL7TcQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
4096
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/submit.php
user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)
watermark
100000

Signatures

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

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

3b49936520db4b5d6797a6be50a2a72a3bcb774a773eefd0daf80e2900147349.exe

description	pid	process	target process
PID 3784 wrote to memory of 5072	3784	3b49936520db4b5d6797a6be50a2a72a3bcb774a773eefd0daf80e2900147349.exe	notepad.exe
PID 3784 wrote to memory of 5072	3784	3b49936520db4b5d6797a6be50a2a72a3bcb774a773eefd0daf80e2900147349.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\3b49936520db4b5d6797a6be50a2a72a3bcb774a773eefd0daf80e2900147349.exe
"C:\Users\Admin\AppData\Local\Temp\3b49936520db4b5d6797a6be50a2a72a3bcb774a773eefd0daf80e2900147349.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3784

C:\Windows\SYSTEM32\notepad.exe
notepad.exe
2⤵
PID:5072

Network

MITRE ATT&CK Matrix

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Downloads

memory/3784-0-0x00007FFAC9030000-0x00007FFAC9225000-memory.dmp

Filesize
2.0MB

Download
memory/3784-2-0x00000159CFE00000-0x00000159CFE41000-memory.dmp

Filesize
260KB

Download