cobaltstrike | b302767ded3db266ccc794b37b890bcc71fa0801f54cd2957dde2f4bd5735722

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 11:51

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General

Target

update.ps1
Size

5KB
MD5

f669ae9b82a898f4d28caa4c9122e080
SHA1

8d1ab71ff5e93e419bb29e6392b1e2dd44d7e015
SHA256

b302767ded3db266ccc794b37b890bcc71fa0801f54cd2957dde2f4bd5735722
SHA512

90632087ceabcb44f0c893fd974f212cd29da31fe043372f2cdcf3b88916401308d27186e1d73d5c25ff755b5006a3aa98a22e78000b472d56ffcae8cac06847
SSDEEP

96:9gOOMM3vvOmIecHigxA0Mr2VirZBjAt6qaU0lgYR50lh:DS/vOkcHfxL8rZyt6nJPROf

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

http://23.95.254.136:9521/async/Newtab_promos

Attributes

user_agent
Sec-Fetch-Site: none Sec-Fetch-Mode: no-cors Sec-Fetch-Dest: empty Accept-Language: en-US,en;q=0.5 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Blocklisted process makes network request 6 IoCs

Processes:

powershell.exe

flow pid process

7 1916 powershell.exe
15 1916 powershell.exe
44 1916 powershell.exe
89 1916 powershell.exe
135 1916 powershell.exe
174 1916 powershell.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1916 powershell.exe
1916 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1916 powershell.exe

flow	pid	process
7	1916	powershell.exe
15	1916	powershell.exe
44	1916	powershell.exe
89	1916	powershell.exe
135	1916	powershell.exe
174	1916	powershell.exe

pid	process
1916	powershell.exe
1916	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1916	powershell.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\update.ps1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1i2wxo2c.iob.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1916-16-0x00007FFCAC4E0000-0x00007FFCAC56D000-memory.dmp

Filesize
564KB

Download
memory/1916-10-0x00007FFCB2AB0000-0x00007FFCB3571000-memory.dmp

Filesize
10.8MB

Download
memory/1916-12-0x0000025BAA560000-0x0000025BAA570000-memory.dmp

Filesize
64KB

Download
memory/1916-11-0x0000025BAA560000-0x0000025BAA570000-memory.dmp

Filesize
64KB

Download
memory/1916-13-0x0000025B92060000-0x0000025B92061000-memory.dmp

Filesize
4KB

Download
memory/1916-0-0x0000025B92070000-0x0000025B92092000-memory.dmp

Filesize
136KB

Download
memory/1916-17-0x00007FFCB2AB0000-0x00007FFCB3571000-memory.dmp

Filesize
10.8MB

Download
memory/1916-18-0x0000025BAA560000-0x0000025BAA570000-memory.dmp

Filesize
64KB

Download
memory/1916-19-0x0000025BAB3F0000-0x0000025BAB3F2000-memory.dmp

Filesize
8KB

Download
memory/1916-20-0x00007FFCAC4E0000-0x00007FFCAC56D000-memory.dmp

Filesize
564KB

Download
memory/1916-23-0x00007FFCAC4E0000-0x00007FFCAC56D000-memory.dmp

Filesize
564KB

Download
memory/1916-27-0x00007FFCAC4E0000-0x00007FFCAC56D000-memory.dmp

Filesize
564KB

Download
memory/1916-31-0x00007FFCAC4E0000-0x00007FFCAC56D000-memory.dmp

Filesize
564KB

Download
memory/1916-32-0x00007FFCAC4E0000-0x00007FFCAC56D000-memory.dmp

Filesize
564KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads