cobaltstrike | 77258e937b54e80e783dce89106b44264a78e0a6afe12ace639c7ae98dfa3e26

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 15:32

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General

Target
a424b97fcaaa00c6e4c5a6cddaa3c461.ps1
Size 3KB
Sample240225-sy5efaff5v
SHA256 77258e937b54e80e783dce89106b44264a78e0a6afe12ace639c7ae98dfa3e26
MD5 a424b97fcaaa00c6e4c5a6cddaa3c461
SHA1 db29a33900abd3aff7000143d69c9b0c50dbcbe0
SHA512 60ea5181e80ce9e4461b619ebb31305dd3c9fcc0d05fafff12c08a5c51c724827ea2990f556ea594680547772e34fc09487395c5abb4b8b08532ddad3e575439
MD5 SHA1 SHA512

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

http://39.104.77.83:8089/zRBO

Attributes

user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727)

Signatures

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

Blocklisted process makes network request 8 IoCs

flow	pid	Process
10	2132	powershell.exe
27	2132	powershell.exe
41	2132	powershell.exe
47	2132	powershell.exe
49	2132	powershell.exe
55	2132	powershell.exe
56	2132	powershell.exe
60	2132	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2132	powershell.exe
2132	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	powershell.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\a424b97fcaaa00c6e4c5a6cddaa3c461.ps1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

__PSScriptPolicyTest_zltj5ylo.3bt.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zltj5ylo.3bt.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/2132-9-0x000002A8FBAB0000-0x000002A8FBAD2000-memory.dmp

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memory/2132-10-0x00007FF8A4790000-0x00007FF8A5251000-memory.dmp

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memory/2132-11-0x000002A8F92A0000-0x000002A8F92B0000-memory.dmp

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memory/2132-12-0x000002A8F92A0000-0x000002A8F92B0000-memory.dmp

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memory/2132-13-0x000002A8F92A0000-0x000002A8F92B0000-memory.dmp

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memory/2132-14-0x000002A8FBD20000-0x000002A8FBD21000-memory.dmp

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memory/2132-15-0x00007FF8A4790000-0x00007FF8A5251000-memory.dmp

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memory/2132-16-0x000002A8F92A0000-0x000002A8F92B0000-memory.dmp

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memory/2132-17-0x000002A8F92A0000-0x000002A8F92B0000-memory.dmp

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