cobaltstrike | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

Resubmissions

15/04/2025, 17:34

250415-v5ylksypw9 10

15/04/2025, 06:16

14/04/2025, 08:06

14/04/2025, 07:59

14/04/2025, 07:22

14/04/2025, 07:16

11/04/2025, 21:39

01/04/2025, 21:24

Analysis

max time kernel
101s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2025, 08:06

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General

Target

cobaltstrike_shellcode.exe
Size

219KB
MD5

8e4d8b8796d2188324a0cfd6fdc8de92
SHA1

9e7a053d34eb00e732e470bc28cc1fa4aa030b8f
SHA256

1ae532cc0fa2e16cac4f23e289741e256cf517afbbb536aeeb0d7cd601bc05a1
SHA512

db4ced8b71b63a7bd48a5bf96270e99c7380865ec31e875b9e0862535298828f4bbae3a4feeb52ef507a8ba461b744c1ce338e3ed191e90cb7079f209ecdbcf3
SSDEEP

6144:b5E/nRS7UwaWiVDSYOY0iZ4i1GrTxI43ZB:b5lUpDSCFfApP

Score

10^/10

cobaltstrike 305419896 backdoor discovery trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

http://47.91.237.42:8443/__utm.gif

Attributes

access_type
512
beacon_type
2048
host
47.91.237.42,/__utm.gif
http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_method1
GET
http_method2
POST
maxdns
255
polling_time
60000
port_number
8443
sc_process32
%windir%\syswow64\rundll32.exe
sc_process64
%windir%\sysnative\rundll32.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDS7zRQv7EhhTkbgDrCNBsNay7lzQFmcC/GWwjOq93nKwPSszjIKgtW8nwhtoRhr6MFZx4DSYFdeuJDrtJNcTZz2C/LgZzhSQJmhiEqCkVqPPCfK1C6S4PzDrzy9L794rPLOuoewlGAXgiH5/Ae2aC5k2wedRNfes3DJZDDCaJJYwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
4096
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/submit.php
user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Trident/4.0)
watermark
305419896

Signatures

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

System Location Discovery: System Language Discovery 1 TTPs 1 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

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:5176

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

Replay Monitor

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Downloads

memory/5176-0-0x0000000000400000-0x000000000043C4F0-memory.dmp

Filesize
241KB

Download
memory/5176-1-0x0000000000440000-0x000000000047D000-memory.dmp

Filesize
244KB

Download
memory/5176-2-0x0000000000400000-0x000000000043C4F0-memory.dmp

Filesize
241KB

Download
memory/5176-3-0x0000000000440000-0x000000000047D000-memory.dmp

Filesize
244KB

Download