cobaltstrike | c3fa379439346be901dce4362055d9b96bebbd3ebb0032e701f4dc57ec992a52

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 01:16

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General

Target

2024-04-10_65d0b8b35444a92f4e43f108d5946646_cobalt-strike_ryuk.exe
Size

404KB
MD5

65d0b8b35444a92f4e43f108d5946646
SHA1

2ede8672f7415269db1d2ce047ebaa9e4bc0b3f5
SHA256

c3fa379439346be901dce4362055d9b96bebbd3ebb0032e701f4dc57ec992a52
SHA512

016f2ef7717c7d45ab9397e0f6d6227d75d986da79d95fa537402eddf52a4184ccf231496d837b08af9483270371ae8a6e9b48e66ece916db360a6eff5c77141
SSDEEP

6144:5/wBUQpZh6eH9W5QO2rdrTBvHJJeWFkT0MxkPkJIpSRpetjhH0jn6Evs6w21NYUI:5P6YeH8DErTtuWKwMyPsHRpetVa9LN

Score

10^/10

cobaltstrike 0 426352781 backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

426352781

http://120.24.47.154:8080/news/details

Attributes

host
120.24.47.154,/news/details
http_header1
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
http_header2
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
http_method1
GET
http_method2
GET
polling_time
5000
port_number
8080
sc_process32
%windir%\syswow64\gpupdate.exe
sc_process64
%windir%\sysnative\gpupdate.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDzESqSDKV1cyVnt70NdVdeDYcFXdZy1+CIbBvbl7whKuDauX8H8mINREJZZYdIvzBPuG17JyWp14ofhEFb6LWu6r8PUpn8kmysMSgDsDxvty4s5qXdS5RSwrC6odUpNMsyTvMBSa2JyQ71VNJb4imtUItraCDpBh98trcWQ3Ip/wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
4096
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown3
1.610612736e+09
uri
/service/api/json
user_agent
Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)
watermark
426352781

Extracted

Family

cobaltstrike

Botnet

Attributes

watermark
0

Signatures

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-04-10_65d0b8b35444a92f4e43f108d5946646_cobalt-strike_ryuk.exe

description	pid	process	target process
PID 4748 wrote to memory of 2608	4748	2024-04-10_65d0b8b35444a92f4e43f108d5946646_cobalt-strike_ryuk.exe	notepad.exe
PID 4748 wrote to memory of 2608	4748	2024-04-10_65d0b8b35444a92f4e43f108d5946646_cobalt-strike_ryuk.exe	notepad.exe
PID 4748 wrote to memory of 2608	4748	2024-04-10_65d0b8b35444a92f4e43f108d5946646_cobalt-strike_ryuk.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-10_65d0b8b35444a92f4e43f108d5946646_cobalt-strike_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-10_65d0b8b35444a92f4e43f108d5946646_cobalt-strike_ryuk.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4748

\??\c:\windows\notepad.exe
"c:\windows\notepad.exe"
2⤵
PID:2608

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:3932

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2608-1-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download
memory/2608-2-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download
memory/2608-4-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download
memory/2608-5-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download
memory/2608-7-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download
memory/2608-9-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download
memory/2608-10-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download
memory/2608-12-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download
memory/2608-14-0x00007FF98BD80000-0x00007FF98BE0D000-memory.dmp

Filesize
564KB

Download