cobaltstrike | ed1dc052fe73bffabdd6d1c9f91ccb25343cef8d22b613eb513fff04b70ee553

Analysis

max time kernel
136s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-12-2024 03:10

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General

Target

ed1dc052fe73bffabdd6d1c9f91ccb25343cef8d22b613eb513fff04b70ee553.dll
Size

402KB
MD5

0102d324d5215411830f24d8c2208ca9
SHA1

391da061df15723b17a1f716626fee84c2e47096
SHA256

ed1dc052fe73bffabdd6d1c9f91ccb25343cef8d22b613eb513fff04b70ee553
SHA512

644fc2e10a5522bea9a7fa694848149907fac504828dfb1eed9f535a6ec00b8813553b062922a5fdaa70febeebf7772225d4854dbd2f4832d7485cff559766ea
SSDEEP

12288:K2Dl4hmlDMlr4fDLfL0ntffffOffffffffffffffffbDrw:KMl4hmlWoEtffffOfffffffffffffffz

Score

10^/10

cobaltstrike 0 backdoor discovery trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

http://blue-rice-1d8e.dropboxonline.workers.dev:443/jquery/secrets/OT5N74ZOYE4

Attributes

beacon_type
2048
host
blue-rice-1d8e.dropboxonline.workers.dev,/jquery/secrets/OT5N74ZOYE4
http_header1
AAAACgAAAClBY2NlcHQ6IGFwcGxpY2F0aW9uLyosIHRleHQvaHRtbCwgaW1hZ2UvKgAAAAoAAAATQWNjZXB0LUxhbmd1YWdlOiBqYQAAAAoAAAAfQWNjZXB0LUVuY29kaW5nOiBnemlwLCBpZGVudGl0eQAAABAAAAAVSG9zdDogY2RuLmFnd2llcW8uY29tAAAABwAAAAAAAAAPAAAADQAAAAIAAAAeYWZmaWxpYXRlX2lkX0tLRk1LQVk5SlFUWUhSUEg9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_header2
AAAACgAAABVBY2NlcHQ6IGFwcGxpY2F0aW9uLyoAAAAKAAAAFkFjY2VwdC1MYW5ndWFnZTogemgtaGsAAAAKAAAAH0FjY2VwdC1FbmNvZGluZzogaWRlbnRpdHksIGd6aXAAAAAQAAAAFUhvc3Q6IGNkbi5hZ3dpZXFvLmNvbQAAAAcAAAAAAAAADwAAAA0AAAAFAAAACV9VRFBRSk5WRgAAAAcAAAABAAAADwAAAA0AAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_method1
GET
http_method2
POST
jitter
12800
maxdns
255
polling_time
60000
port_number
443
proxy_server
http://172.16.22.222:8080
sc_process32
%windir%\syswow64\Locator.exe
sc_process64
%windir%\sysnative\DevicePairingWizard.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJUZ1H8/nV/iiy1HRg0PojnEjIGT28lyDwd+OEBsR7jbuJUtc5QyGpq2mI7xQO9mXPuGbJwbgseMbSTJ7xEgM3/A2c6lEOafxGn/H7mdlBVnQ+tRRxFDQQeH5ag7hekpq1HVG4XRf8PlLXZdB18JGJAD59SaEvM/YVWcYlCjYG5wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
9.23213824e+08
unknown2
AAAABAAAAAEAAAOhAAAAAgAAA44AAAAIAAAADwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/mails/images/GVULBL22Q
user_agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.2704.0 Safari/537.36
watermark
0

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	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed1dc052fe73bffabdd6d1c9f91ccb25343cef8d22b613eb513fff04b70ee553.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed1dc052fe73bffabdd6d1c9f91ccb25343cef8d22b613eb513fff04b70ee553.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3020

Network

MITRE ATT&CK Enterprise v15

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/3020-0-0x0000000000110000-0x000000000014B000-memory.dmp

Filesize
236KB

Download
memory/3020-1-0x00000000002D0000-0x000000000034E000-memory.dmp

Filesize
504KB

Download
memory/3020-2-0x00000000002D0000-0x000000000034E000-memory.dmp

Filesize
504KB

Download